IBM Support

Fix List for Db2 Version 12.1 for Linux, UNIX and Windows

Troubleshooting


Problem

Db2 12.1 Known Issue Fix list contains list of Known Issues shipped for each Mod Pack, Fix Pack in Db2 Version 12.1 for Linux, UNIX and Windows products.

Resolving The Problem

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Product Name : Db2 Version 12.1
Updated : Nov 05, 2025
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Select a Fix Pack: m3fp0 | m2fp0 | m1fp0 | GA


Db2 12.1.3 Fix Pack m3fp0
Known IssueSymptomAbstractDomains
DT439648Performance (PR)On a DPF environment, slow down may occur due to latch contention during FODCFCMResource data collection.Process Model
DT442962Coded Wait (WS)In rare scenarios, Db2 may hang when ingesting a lot of data with a native cloud object storage table spaceCloud Object Storage
DT443084Performance (PR)Performance optimization of certain Db2 commands in a large DPF environmentProcess Model
DT426643Performance (PR)HADR primary may go into disconnected_peer state right after deactivating the database on standbyAvailability
DT447685 DECODE gives wrong result with decfloat data type using DB2COMPOPT=NODECODETO_CASERuntime
DT445966Coded Halt (HL)SELECT on an external table fails with SQL20570N and "Error while processing end of record was expected at byte * in data file." when the input file is large.SQL Compatibility
DT433254Incorrect Output (IN)Pacemaker HADR: takeover might not be initiated due to no order constraintAvailability
DT438178Abnormal End Of The Program (AB)Rollforward may fail with SQLUPRGERR when processing a Load Start log recordData Management
DT442230Abnormal End Of The Program (AB)Using TRIM function in a query may lead to -302 errorQuery Compiler
DT448243Unpredictable (UN)CURRENT LOCK TIMEOUT special register might be ignored on Database Partitioning Feature (DPF) environmentRuntime
DT147953Loop (LP)IT41234: INGEST MAY HANG WHEN THE AMOUNT OF SHARED MEMORY IS INSUFFICIENT FOR FORMATTERS AND FLUSHERSData Management
DT438171 Possible memory corruption running Java functions with multiple schemasRuntime
DT438749Performance (PR)Memory leak in db2fmp process when WLMSETCLIENT_INFO procedure is called in a connect procedureRuntime
DT447566Incorrect Output (IN)Avoid intermittent -802 in ROUND for DOUBLE and REAL on x LinuxRuntime
DT444782Additional Information (AI)db2cat may return -901Query Compiler
DT440057Abnormal End Of The Program (AB)Failure in streaming QRep replay of IUD operation into columnar tableColumnar Storage
DT448221Abnormal End Of The Program (AB)Exporting a large spatial data to a shape file results in error GSE0101NClient & Connectivity
DT438045Integrity Problems (IG)db2support cannot be unzipped due to bad zipfile offsetProblem Determination Tooling
DT439742Abnormal End Of The Program (AB)FODC_PANIC can occur when resource manager is enabledOperating System Services
DT259644Coded Message (MS)HADR Standby Database Can Flood db2diag.log with SQL2171N Messages When Replaying a DROP TABLE StatementAvailability
DT448288Incorrect Output (IN)LOCAL/GLOBAL transaction ID prematurely incremented in audit during commit/rollbackSecurity
DT439260Coded Message (MS)SQLCODE -901 when joining a MEMORY_TABLE or an external table with a column-organized table with a "null = null" join predicateQuery Compiler
DT443394Incorrect Output (IN)QueryTimeout not working properly on AIXClient & Connectivity
DT436984Incorrect Output (IN)db2cli.ini created and updated in deprecated pathClient & Connectivity
DT443706Incorrect Output (IN)Monitoring Functions log 'FCM Interrupt' as Severe in db2diag.logProcess Model
DT445819Abnormal End Of The Program (AB)Buffer Used for Amazon RDS Token Not Cleared, Causing Unexpected CharactersOperating System Services
DT446857Incorrect Output (IN)Delete operation with transient external table failed with SQLCODE -644SQL Compatibility
DT448153 hostCleanupPCMK.ksh: Failed to cleanup all the Db2 pureScale resources with exit code 127Availability
DT439678Unpredictable (UN)Memory leak while using db2look for generating DDL for variables and viewsCatalog Services
DT446123Abnormal End Of The Program (AB)High number of latch waits from SYSUSERAUTH cache causing slowdownCatalog Services
DT448298Incorrect Output (IN)Db2 db2flsn utility returns that the log file is unused or blankAvailability
DT440664Unpredictable (UN)remove printf() from signal handler of ca-serverpureScale
DT437998Abnormal End Of The Program (AB)DPF HA - Create domain fails with DBT8214E, reason code 3 when the number of partitions is not evenly divisible by the number of cluster hosts.Availability
DT444354Abnormal End Of The Program (AB)Replication Center fails to start in Db2 v12Data Management
DT393258Incorrect Output (IN)Unsupported code point values used when JWT sent to Db2 z/OS server by LUW clientSecurity
DT436618Incorrect Output (IN)db2support command may hang during db2prereqcheckProblem Determination Tooling
DT447957Incorrect Output (IN)Function mapping issue cause error code "907" to be returned from Oracle database to Db2Federation
DT446569Incorrect Output (IN)db2updv121 fails due to "Error updating analytic modules" on module object SYSIBMADM.IDAXMESSPRAISEMESSAGEQuery Compiler
DT444760Coded Halt (HL)Db2 may hang with waiting on Latch SQLOLTSQLPTENTRY_tranCommitLatch having no holderAvailability
DT440426Integrity Problems (IG)Incompatibility issues when working with JSON data in Db2 12.1Runtime
DT446369Loop (LP)Connect agents hang if insufficient time passes when audit COS file was last openSecurity
DT439872Loop (LP)Large nested DECODE expressions may result in large statement heap usage and possible out-of-memory conditionQuery Compiler
DT447321Abnormal End Of The Program (AB)RENAME TABLE statement might return sqlcode -901 and FODC_AppErr directory generatedQuery Compiler
DT442116Abnormal End Of The Program (AB)RUNSTATS Command Failure During Upgrade to Db2 12.1.x When a Statistics Profile with the UTILIMPACTPRIORITY Option Exists on a SYSIBM TableQuery Compiler
DT437270Incorrect Output (IN)SQL0901N for CDE JOIN queries using LIKE as a join-conditionRuntime
DT439158Abnormal End Of The Program (AB)SQL might fail with SQL0901N "unexpected error at CompactBlockStoreBase.hpp"Runtime
DT437847Abnormal End Of The Program (AB)Real-time statistics collection for a temporary table during SQL statement compilation can result in a severe error.Query Compiler
DT424216Loop (LP)Improving Performance of db2look with the "-L" Flag: SQL1635N Error ReturnedCatalog Services
DT437138 Creating an instance resource in db2cm with an FQDN hostname on HADR with Pacemaker may result in a crash or hangAvailability
DT443098Performance (PR)Performance may be impacted when multiple EDUs dump diagnostics due to communication timeouts.pureScale
DT442339Coded Halt (HL)Runstats Memory corruption issue due to corrupt catalog table packed descriptor after upgrade to Db2 v12.1Catalog Services
DT450126Incorrect Output (IN)db2flsn utility to print the logfile from LRI returns that the log file is unused or blankAvailability
DT437293Abnormal End Of The Program (AB)Pacemaker fatal error while controld attempts to communicate with a non-existing/respawning attrdAvailability
DT447379Incorrect Output (IN)Problem determination item for unexplained -802 in ROUND for DOUBLE and REALRuntime
DT443667Unpredictable (UN)Procedure with SET CURRENT PACKAGE PATH and Result Set may lead to SQL0501N when closing the cursor of the Result SetRuntime
DT447204Integrity Problems (IG)DDL and DML operations are not blocked for the duration of LOGICAL_BACKUPAvailability
DT438681 Columnar Group-By query fails with assertion in RegularLPHashTableImpl.hppRuntime
DT442500Incorrect Output (IN)Incorrect result when a Scalar Subquery result is used in a local predicate on the parent operatorQuery Compiler
DT440205Abnormal End Of The Program (AB)INGEST job fails intermittently with DB21018EData Management
DT442874Additional Information (AI)ERROR MESSAGE : ZRC=0x80100024=-2146435036=SQLP_NOTA "Transaction was not found" repeatedly dumps in DB2DIAG.LOG.Availability
DT446388Performance (PR)Db2 query may show poor performance when scalar subquery source is also target of data modification of the queryQuery Compiler
DT442273Performance (PR)SQLOLTSQLPLHSH_hshlatch contention with partition table on little endian machineAvailability
DT439922Abnormal End Of The Program (AB)Native Object Storage Table Space and OS level FIPS supportCloud Object Storage
DT445755Incorrect Output (IN)Db2 query may generate -901 when distribution key is in equal predicateQuery Compiler
DT437996Abnormal End Of The Program (AB)Heavy contention on the SQLOLTSQLEKRCBstopLatch from the sqlkdcleanonclose function.Process Model
DT444641Incorrect Output (IN)"No such device or address" error messages can be logged in pacemaker.log on HADR/Pacemaker environmentAvailability
DT444854Abnormal End Of The Program (AB)Upgrading database to Db2 v12.1.0.0+ on PPCLE fails in hook function for new catalog table SYSEXTCATALOGSCatalog Services
DT443419Coded Message (MS)In Federated environment distributed XA transactions fail and send xa_end to remote data sourceFederation
DT439573 db2cfimp segmentation fault when importing DB2 11.5 configurationProcess Model
DT446657Performance (PR)Performance degradation may occur during sort operation due to extra Flight Recorder log.Runtime
DT426000Abnormal End Of The Program (AB)db2start may cause a trap if ulimit is set too lowOperating System Services
DT438938Abnormal End Of The Program (AB)Possible deadlatch between CF workers after a communication timeout between member and CF using RDMA network. This may cause a CF failover.pureScale
DT448537Abnormal End Of The Program (AB)db2support trap in a clustered environmentProcess Model
DT440612Incorrect Output (IN)LOGICAL_BACKUP stored procedure returns success when the schema is not accessibleAvailability

Db2 12.1.2 Fix Pack m2fp0
Known IssueSymptomAbstractDomains
DT179559Incorrect Output (IN)db2licm does not update the products enforcement policy when using the -e option.Deployment
DT223744Performance (PR)NOT IN to antijoin conversion does not occur with expression.Query Compiler
DT241639 Q Capture program stops even TERM=N is specified when Db2 is downIIDR
DT395300Coded Halt (HL)Replay of extent movement may hang in a deadlatchData Management
DT395376Incorrect Output (IN)Setting TRACEREFRESHINTERVAL attribute to non-zero value in db2cli.ini file leads to memory leakClient & Connectivity
DT395714Incorrect Output (IN)SQL0901N (Reason "unexpected error at Table.hpp:2463") when running a CDE QueryQuery Compiler
DT397282Incorrect Output (IN)db2dsdcfgfill fails to create dsn in db2dsdriver.cfg file when dcs catalog is presentClient & Connectivity
DT398357Incorrect Output (IN)asnmon should send unencrypted emails if asnmon parms TLSKEYDB and TLSLABEL are not set by userIIDR
DT398584Abnormal End Of The Program (AB)Member can hang or crash in pureScale/AIX due to RDMA timeoutsAvailability
DT409120Additional Information (AI)Prevention of Index Page Merge from writing beyond the end of the pageData Management
DT417525Unpredictable (UN)Excessive lock timeouts caused by db2lusedProcess Model
DT417572Integrity Problems (IG)Memory corruption during DPF roll forward of LOAD COPY imageAvailability
DT419444Coded Message (MS)ALTER TABLE to change the column data type may fail if there are constraints on the tableQuery Compiler
DT419625 Negative value in IBMQREP_APPLYMONIIDR
DT421582Performance (PR)Avoid coordinator bottleneck when processing MERGE statement in DPF environment.Query Compiler
DT422037Incorrect Output (IN)DIVISION BY ZERO for DECFLOAT does not return SQLSTATE 0168F but 00000 in some casesRuntime
DT422629 Q Apply may get SQL0428 for a TRUNCATE TABLE when COMMIT_COUNT is usedIIDR
DT423307Incorrect Output (IN)Table access based on rid_bit() returns no rows if rid()/TSN value is high on Column Organized TablesRuntime
DT423473Incorrect Output (IN)Failure to connect when using partially NULL connection stringClient & Connectivity
DT424104Incorrect Output (IN)STORAGE ACCESS ALIAS commands might fail with SQL1741N or write erroneous error messages to the diagnostic logSecurity
DT424728Unpredictable (UN)db2cm fails to create Overlay IP resource due to improper handling of AWS instance metadata retrievalAvailability
DT425360Coded Halt (HL)db2exfmt fails with -901 "Inc bind section statement changed!" after migration from 12.1.0 to 12.1.1Query Compiler
DT426007Loop (LP)Interrupt/Force of ADMINMOVETABLE() procedure can leave EDUs hanging on AIX Operating System.Runtime
DT433388 Wrong SQLCODE displays in SQL Apply log.IIDR
DT434803Abnormal End Of The Program (AB)FODCAppErr SQLPLERR "Fatal Logic Error" TableAlter::writeLogToUndoRenameColumn, probe:1502Columnar Storage
DT434948Abnormal End Of The Program (AB)A transaction issuing a TRUNCATE IMMEDIATE followed by ROLLBACK causes Q Capture to SIGSEGVIIDR
DT435041Abnormal End Of The Program (AB)Restoring from S3 fails with SQL2542N when the backup file is in the root directoryOperating System Services
DT435528Abnormal End Of The Program (AB)FMP trap with SIGPIPE aborts other parallel ET statements in logical_backup()SQL Compatibility
DT147988Incorrect Output (IN)IT27040: AUTOMATIC TABLE MAINTENANCE FAILS WHEN THE FILTERCLAUSE OR FILTERCONDITION SPECIFIED IS TOO LONGData Management
DT198304Incorrect Output (IN)Client Import of boolean values to Db2 server results in all values being true (1) regardless of input values in the .DEL file.Data Management
DT395180Abnormal End Of The Program (AB)QApply fails with ASN0569E and SIGSEGV during initial load of a subscription from z/OS to AIXIIDR
DT396640Incorrect Output (IN)A system buffer pool may be assigned to a table space added by restore transportAvailability
DT397374Incorrect Output (IN)SQL0901N error with assertion failure "bad year" (or bad month, day, hour, minute, second, or time) when querying a DATE, TIME, or TIMESTAMP column in a columnar tableColumnar Storage
DT397896Integrity Problems (IG)Security: IBM® Db2® is vulnerable to unbounded recursions due to a vulnerability in protobuf-java (CVE-2024-7254)Federation
DT398108Incorrect Output (IN)SQL0901N (Reason "unexpected error at Parser.cpp:947".)Query Compiler
DT398156Incorrect Output (IN)db2look -createdb needs to print out a warning message when the storage group for SYSCATSPACE is changedCatalog Services
DT400694 db2dart might fail to read a page with error code 0x87020036Data Management
DT407067Incorrect Output (IN)Asnmail failed to send emails due to SMTP server response errorIIDR
DT416755Performance (PR)SQLONOMEMPCKCACHEH OOM WHEN SMALL PACKAGE CACHE SIZE AND CONSTRAIN MEMORY SETProcess Model
DT417099Performance (PR)Specific catalog cache entry becomes NOT LOADED and causes high x-lock continuously.Catalog Services
DT417614Incorrect Output (IN)A query to a format-fixed external table with a space to the right of the data in the DECIMAL column returns SQL20570N.SQL Compatibility
DT417677Abnormal End Of The Program (AB)Incremental backup may fail with SQL2048 rc5Availability
DT419493Incorrect Output (IN)db2cluster -cfs -create -filesystem command fails after installFixPack online upgrade with "mmcrfs: The requested format version for the file system (5.1.8.1 - default) exceeds the current committed function level for the cluster (minReleaseLevel 5.1.2)."Availability
DT419943Performance (PR)Slow log replay during database recovery due to excessive page writes to diskAvailability
DT422068Coded Message (MS)Actual object size is less than computed size errorData Management
DT424792 CREATE QSUB asnclp command on LUW gets SQLCODE=-206, SQLSTATE=42703, SQLERRMC=LAKEHOUSEIIDR
DT425502 Q Apply gets sql206 replicating a transaction with multiple large statements on columnar tablesIIDR
DT434920Incorrect Output (IN)ListObject requests returns empty result set in REST modeOperating System Services
DT435737Incorrect Output (IN)db2support may fail when calling ifconfig as it may not exist on all installations.Process Model
DT436277Performance (PR)Lost lock notification during lock connection resync on pureScale.pureScale
DT159501Incorrect Output (IN)IT31532: DB2 MAY RETURN INCORRECT RESULT WHEN EXECUTING QUERY WITH PREDICATE WITH CONSTANT AND LEFT OUTER JOIN AND UNION ALLQuery Compiler
DT239580Incorrect Output (IN)SQL Apply failed SIGIOT during startupIIDR
DT259067Abnormal End Of The Program (AB)Issuing a query using REGEXP_EXTRACT/RTRIM in a CTE may lead to -1585 errorQuery Compiler
DT393460Incorrect Output (IN)Replication target table becomes incorrect after TRUNCATE IMMEDIATE is executed on a source database in a DPF environmentData Management
DT393789Abnormal End Of The Program (AB)FODC trap when interrupt the query manuallyFederation
DT395723Abnormal End Of The Program (AB)Security: IBM® Db2® is vulnerable to denial of service under specific conditions (CVE-2024-45663)Query Compiler
DT397567Incorrect Output (IN)Rare GSKit error 100 from multithreaded Db2 clients when using SSL and an in-memory keystoreSecurity
DT399725Performance (PR)When using an XML resource policy, the database memory set is not allocated on the proper nodes.Operating System Services
DT400216Performance (PR)Table access based on rid_bit() might be slower than rid() on Column Organized TablesRuntime
DT400964Incorrect Output (IN)Incorrect output format of db2pd -applSecurity
DT407026Abnormal End Of The Program (AB)Improve ossHexDumpLine() resiliencyOperating System Services
DT409136 debug code for Q Apply when MRI is onIIDR
DT416519Performance (PR)ADMINMOVETABLE dictionary creation for large columnar tables might be slowData Management
DT416787Additional Information (AI)Prevention of underflowing of pendNotExistCntData Management
DT416907Abnormal End Of The Program (AB)ADMINMOVETABLE in pureScale with FORCE_ALL option might take a long time to complete SWAP phase or even fail when running concurrently with other applications that are in the process of rebinding previously invalidated packagesData Management
DT416945Performance (PR)ADMINMOVETABLE REPLAY for columnar tables might be slowData Management
DT417613Coded Message (MS)SQL0901N may be returned instead of the actual sqlcode when a statement with maxerrors is executed to an external table.SQL Compatibility
DT417652Performance (PR)Possible performance issue for queries with correlated NOT EXISTS predicate and nested levels of correlationQuery Compiler
DT418744Abnormal End Of The Program (AB)Preventative approach to a rare trap in sort monitoring code with intra_parallel enabled.Runtime
DT419372Abnormal End Of The Program (AB)SYSPROC.ADMINDROPSCHEMA() fails with SQL0443N and reports SQL1131N from CALL SYSPROC.ADMINGETDEPTREE() when dropping large schemasData Management
DT419596Incorrect Output (IN)Incorrect result when query has UNION ALL that reference same sources in multiple branches.Query Compiler
DT421381Unpredictable (UN)Change of ADM6073W message to Info level during db2ckupgradeData Management
DT421697System/3 Message (MI)Change db2diag.log message from "LEVEL: Severe" to "LEVEL: Warning" when a non-existing application is forced off (SQL1230W)Process Model
DT423953Additional Information (AI)Enhancement to dump diagnostics for corrupted collation IDQuery Compiler
DT424150Integrity Problems (IG)IBM® Db2® is vulnerable to a denial of service as the server may crash under certain conditions (CVE-2025-2518)Federation
DT425677Performance (PR)Queries on several system catalogue views are considerably slower starting with Db2 v12.1Query Compiler
DT425793Performance (PR)SQLOLTSQLPXIDHASHBUCKET_xregHshLatch Latch contention in very high concurrent XA workloadAvailability
DT426586Abnormal End Of The Program (AB)Segmentation fault running XML queryData Management
DT433442Abnormal End Of The Program (AB)disable FODCElasticSort generation for instanceusage=dashdb. This is already disabled for everyone but dashdb instance.Runtime
DT433474Coded Message (MS)Unexpected SQL0913N error with reason code 80 when running with DB2LOCKTORB set to STATEMENTCatalog Services
DT433822Coded Message (MS)Query with "NULL equals NULL" join predicate between two column-organized tables might result in SQL0901N errorQuery Compiler
DT436891 Q Apply reported sql644 when applying changes to Db2 columnar table on DPFIIDR
DT436914Performance (PR)During a CF down, a connection attempt to a down CF can lead to slower CF failover.pureScale
DT437545Abnormal End Of The Program (AB)Db2 instance might trap and database put into backup pending state after dropping a member in pureScaleAvailability
DT438139Abnormal End Of The Program (AB)db2scp breaks on AIX due to default behavioral change of scp in opensshAvailability
DT276305Performance (PR)When ALSM is active, HADR standby still reaches disk full because of huge gap between ALSM extraction scan and HADR log replayAvailability
DT395155Incorrect Output (IN)Client Communication Protocol Monitor Element in Db2 v11.5.9.0 Fails to Correctly Identify TCPIP and SSL Connections in Event MonitorsProcess Model
DT395617Incorrect Output (IN)DT395617 - Locale setting is not effective for decimal separator on decfloat columns under France locale with cli driverClient & Connectivity
DT398854Coded Wait (WS)Enhancement to release row lock on SYSIBM.SYSTABLESData Management
DT400959Abnormal End Of The Program (AB)Rare memory corruption in large columnar join scenarioRuntime
DT400993 asntrc flow output contains incorrect function namesIIDR
DT418806Unpredictable (UN)HADR NAT support not working on Windows error SQL1768N RC=4Availability
DT419242Integrity Problems (IG)Security: IBM® Db2® is vulnerable to a denial of service under certain conditions.(CVE-2025-1000)Client & Connectivity
DT419430Incorrect Output (IN)ADMINMOVETABLE might fail CLEANUP with SQL0205NData Management
DT420520Incorrect Output (IN)SQL1822N Unexpected error code "22001" received from data sourceFederation
DT420536Incorrect Output (IN)On Windows, Db2 Client and Server Instance Upgrade from v11.5 to 12.1 throws an errorDeployment
DT420578PTF (PF)Index keys misordered for Thai codepage 874Data Management
DT423222Integrity Problems (IG)Security: IBM® Db2® is vulnerable to a denial of service due to insufficient release of allocated memory after usage.(CVE-2025-1992)Federation
DT424706Incorrect Output (IN)ADMINMOVETABLE might fail during SAP UpgradeData Management
DT425868 In LUW tables with DECFLOAT are not eligible for MultiRowInsertIIDR
DT426550Incorrect Output (IN)Wrong values are inserted when anchor rows are re-declared from within a stored procedureRuntime
DT435796Incorrect Output (IN)Rebuild synopsis fails with SQL0428N when run using admin_cmd procedureColumnar Storage
DT436605Performance (PR)Allow repartitioned joins under some additional circumstances when enabled via registry settingQuery Compiler
DT436656Abnormal End Of The Program (AB)SQL0802N is possible when querying against MONCURRENTSQL view or the MONCURRENTUOW view in the presence of long running activity or transactionProcess Model
DT437032 asnqapp reports SQL100 exception for columnar table when numapplyagents=1 with usestreamtrans=NIIDR
DT437045Integrity Problems (IG)Security: IBM® Db2® is vulnerable to denial of service with a specially crafted query. (CVE-2025-33143)Query Compiler
DT437205Incorrect Output (IN)In a rare plan , in DPF only, and with two or more ZZJOINs which are not nested, it is possible, with some sections to get a wrong result.Runtime
DT437601 Upgrade to Db2 12.1 may fail with a trap fileCatalog Services
DT241215Incorrect Output (IN)Unexpected SQL0998N Reason Code 36 when running distributed transactions in DPF environmentAvailability
DT387190Incorrect Output (IN)*SQLHA.events.bin file is generated periodically after Restart Light eventAvailability
DT390024Abnormal End Of The Program (AB)Security: IBM® Db2® is vulnerable to denial of service under specific conditions (CVE-2024-41762)Runtime
DT390629Abnormal End Of The Program (AB)FODCForceDBShutdown due to ADMINGETINDEXINFO sending request to non-catalog partitionData Management
DT395068Incorrect Output (IN)With ALSM, db2diag.log file is flooded with informational message related to sqlpLogExtractionScanCB::loggxFlushBufferPoolAvailability
DT395188Abnormal End Of The Program (AB)Db2 Security Plugin loading failed when using ASAN (Address SANitizer)Operating System Services
DT395722Incorrect Output (IN)db2cm returns an error "The default profile does not exist" with the -remote_cmd /var/db2/db2ssh/db2locssh parameter specified when trying to configure a Overlay IP resource on AWSAvailability
DT396594Incorrect Output (IN)TABFILEID is inconsistent between mongettable and mongetlocksProcess Model
DT397534Incorrect Output (IN)db2pd -hadr is not reporting SSLPROTOCOL when HADRSSL_LABEL is usedAvailability
DT406764Abnormal End Of The Program (AB)db2cluster -cm -exit -maintenance fails on cluster with more than 8 quorum nodes.Availability
DT416875Abnormal End Of The Program (AB)Possible segmentation fault during database rollforward or crash recovery in SQLP_TENTRY::sqlpReserveLogSpaceForUndo()Availability
DT418246Incorrect Output (IN)ACTIVATE or CONNECT to a database on a newly added member in pureScale can fail or return SQL1497W / SQL1648NAvailability
DT422521Integrity Problems (IG)Rows missing after successful INGEST INSERT RESTART NEWData Management
DT425372Abnormal End Of The Program (AB)Fix filesystem error handling for GPFS and EXT4Operating System Services
DT425663 Memory leak when running Federated queries with the 'PASSTHRU' optionFederation
DT425933PTF (PF)In a rare and complex plan using columnar tables we could get odd errors, like -811 or -901 .Runtime
DT426652 Poor Q Apply performance for Non-Condensed CCD targets because of high number of KEY_DEPENDENCIESIIDR
DT426790Incorrect Output (IN)Post adding CLI parameters Patch2=15,25 and Querytimeoutinterval=0 through Windows ODBC Interface SQL30081N is thrown while establishing a connection.Client & Connectivity
DT431959Performance (PR)LOGICAL_BACKUP stored procedure does not generate compressed backup image on S3/COS when called with -compress optionAvailability
DT434402Coded Message (MS)Oracle NET8 Wrapper Federated Stored Procedure Support for TIMESTAMP WITH LOCAL TIME ZONEFederation
DT434608 Log files in the target ET log directory are not removed when streaming is offIIDR
DT434668Incorrect Output (IN)ADMINMOVETABLE reports zero COPYTOTALROWS for COPYUSEOTAData Management
DT434690Incorrect Output (IN)Overlay IP Resource Created with db2cm Fails to Start on AWS When Network Interface Is Not 'eth0'Availability
DT435387Loop (LP)Db2 may hang indefinitely holding a latchRuntime
DT188249Incorrect Output (IN)Fix ALTER TABLE ALTER COLUMN DROP/SET DEFAULT in v1158IIDR
DT381283Abnormal End Of The Program (AB)db2scp binary not updated after installFixPackDeployment
DT389572Incorrect Output (IN)db2prereqcheck tool is showing AIX requirement for both 11.5.9.0 and 11.5.8.0 as 7.2 TL3 SP3 instead of 7.2 TL5Deployment
DT392298Coded Halt (HL)db2hmon waiting in Pending remote requestData Management
DT393578Abnormal End Of The Program (AB)Db2 operation requests to S3 fails on FIPS-enabled environmentsOperating System Services
DT394926Abnormal End Of The Program (AB)Modify db2pd -hadr so that it no longer obtains a latchAvailability
DT396517Unpredictable (UN)After encountering severe error the database might hang during generating FODC dump.Availability
DT396820Integrity Problems (IG)Security: IBM® Db2® is vulnerable to denial of service under specific conditions (CVE-2024-49350)Runtime
DT397218Coded Wait (WS)Potential FCM buffer leak on DPF systems when receiving SQL0803NProcess Model
DT397544Incorrect Output (IN)Possible replicated dataloss on DPF when a streamed transaction contains a savepoint rollback because of a statement-level SQL errorIIDR
DT398417Incorrect Output (IN)ADMINMOVETABLE might change schema of SYSIBM indexesData Management
DT398498Abnormal End Of The Program (AB)Db2 crash due to memory allocation hit an address outside segmentRuntime
DT400143Abnormal End Of The Program (AB)LOAD from an IXF file, with LOB data in multiple, separate files, may reject records with SQL3229W RC 1Data Management
DT400510Incorrect Output (IN)db2prereqcheck does not complete on some localesDeployment
DT406899Incorrect Output (IN)Query against VARGRAPHIC may be incorrect on CDE table.Runtime
DT416559Performance (PR)Online backup stalls while temporary pages are flushed to diskAvailability
DT416963Incorrect Output (IN)Incorrect "Library is not loaded" diaglog entry from cryptGetSSLApiAddressSecurity
DT417102 A database Rollforward command to a point in time or to end of backup in a DPF environment may fail with SQL4973NAvailability
DT417537Abnormal End Of The Program (AB)Windows 32-bit DSDRIVER crashes during connect to z/OS data source when installed at non-default pathDeployment
DT417647Performance (PR)Automated HADR failover does not work when searching for highest log chain in a VENDOR log archive takes too longAvailability
DT419926Abnormal End Of The Program (AB)db2 get db cfg + show detail returned wrong value for DECFLT_ROUNDINGClient & Connectivity
DT420531Abnormal End Of The Program (AB)On Windows Data Server Driver update from 12.1 is aborting with out updating the productDeployment
DT422213Incorrect Output (IN)TRANSFER OWNERSHIP on check constraints doesn't update SYSCAT.CHECKS OWNER columnCatalog Services
DT423458Unpredictable (UN)The ALTER SERVER statement is failing when the host, port, and SSL parameters are provided together in a single statementFederation
DT424762Incorrect Output (IN)Replication target table returns incorrect results after TRUNCATE IMMEDIATE is executed on a source columnar table in a DPF environmentData Management
DT425966Incorrect Output (IN)Select from administrative view might fail with SQL1042C when AUDIT and VALIDATE are enabled for instance level auditing and KERBEROS or GSSPLUGIN authentication plugins are in useSecurity
DT433451 Q Capture can fail with openScan -601 when replicating columnar tables on a NON-DPF configurationIIDR
DT436499Abnormal End Of The Program (AB)Failing to mark indexes bad on nickname causes SQL0902C during upgrade of ICU collated database to version 12.1.1Runtime
DT124197Incorrect Output (IN)db2instance -list shows CF in ERROR state transientlypureScale
DT148615Performance (PR)IT38785: SQL STATEMENTS WITH MANY LIKE PREDICATES COULD RUN SLOWER ON V10.5 FP7 AND LATERRuntime
DT223226Abnormal End Of The Program (AB)Hang and 901 are possible when complex insert from select into a Columnar table is done.Runtime
DT386248Performance (PR)NOT IN Subquery predicate with UNION does not convert to Antijoin.Query Compiler
DT396293System/3 Message (MI)Db2 Pacemaker Corosync QDevice - Delete Cluster Domain and Read, but crm cluster status still shows old nameAvailability
DT396320Abnormal End Of The Program (AB)Db2 may encounter a severe error when issuing a query with IN predicate and guidelineQuery Compiler
DT396843Coded Halt (HL)Application may hang when running the SELECT * FROM SYSIBMADM.DB2INSTANCEALERTS statement in a pureScale environmentAvailability
DT397334Performance (PR)LOGICAL_BACKUP stored procedure can be very slow when there are RCAC rules on SYSIBM.SYSTABLESAvailability
DT397421Incorrect Output (IN)Q Apply re-applies some transactions on restart after coming down for a MQ Client connection errorIIDR
DT398397Abnormal End Of The Program (AB)RESTORE OR CREATE DATABASE MAY FAIL WITH ERROR ECFINVALIDINVOCATION_SEQUENCEOperating System Services
DT400406Incorrect Output (IN)Some built-in string functions used in querying XML data can produce incorrect results.Data Management
DT406482Incorrect Output (IN)SQL0413N while casting Character datatype values more than 15 characters to Decimal from Column-organized tablesRuntime
DT416456Abnormal End Of The Program (AB)SQL using upper or lower scalar function fails with SQL0001N for CCSID 420Runtime
DT416491Incorrect Output (IN)ADMINMOVETABLE SWAP might take long due to active background processesData Management
DT416761Loop (LP)db2diag.log flooded with messages from sqlplDrainOldReadAndWriteAccess and sqlrrrpcrouterAvailability
DT417413Integrity Problems (IG)IBM® Db2® is affected by a vulnerability in the netty-common library.(CVE-2024-47535)Federation
DT417455Incorrect Output (IN)Incorrect CACHINGTIER values not indicating whether table space is NativeCOS or notCloud Object Storage
DT417977 Reverting - db2prereqcheck tool is showing AIX requirement for both 11.5.9.0 and 11.5.8.0 as 7.2 TL3 SP3 instead of 7.2 TL5Deployment
DT418452Abnormal End Of The Program (AB)Security: IBM® Db2® is vulnerable to denial of service under certain conditions (CVE-2025-1493).Data Management
DT420324Incorrect Output (IN)Access to a remote Db2 iSeries table by querying federated three-part name from non-catalog partition in a DPF server failed with SQL0204NFederation
DT421871Incorrect Output (IN)Client special registers are not replayed when using WLM if CONDBAT limit is reached on Z/OS.Client & Connectivity
DT422722Incorrect Output (IN)When attempting to bind a file or list of files using a different ID than the default NULLID, the files may be bound using the default ID NULLID insteadClient & Connectivity
DT422733Incorrect Output (IN)DB2PD MAY FAIL WITH "FAILURE: MAX RESIZE THRESHOLD EXCEEDEDProblem Determination Tooling
DT423223Performance (PR)Improve interruptibility of queries with very large HSJN inner leg in rowstore.Runtime
DT424272Incorrect Output (IN)Python3 version check fails on sles15sp6 for pureScaleDeployment
DT425730Coded Halt (HL)Concurrent db2pd -memblocks on windows may bring Db2 down.Operating System Services
DT431950Additional Information (AI)pstack output empty in FODC_Member output when there are multiple active databasesProblem Determination Tooling
DT433927 Q Apply "LOAD from CURSOR (REMOTE FETCH)" fails with ASN7530E "RC: 0, SQLCODE: -1001"IIDR
DT434446Abnormal End Of The Program (AB)Trap occurs in sqlrwGetPDDiagHist when calling PDGETDIAG_HIST.Process Model
DT434928Abnormal End Of The Program (AB)Crash recovery might fail when searching for a log despite the log existsAvailability
DT436492Incorrect Output (IN)Capture cannot replicate TRUNCATE IMMEDIATE in a rolled back transaction after Capture restart if nothing has been replicated yetIIDR
DT436493Incorrect Output (IN)A truncate Immediate in a ROLLED BACK transaction failed to replicate in DPF for a table defined in a nodegroup that did not include the coordinator nodeIIDR
DT148685Incorrect Output (IN)IT41834: QUERYING A MASKED TABLE COLUMN MAY RETURN -901 "COULD NOT FIND HXP TO MATCH TUPLE"Query Compiler
DT389552 DB2 MIGHT TERMINATE ABNORMALLY FOR QUERIES REFERENCING VERY LARGE CASE EXPRESSIONS IN PREDICATESQuery Compiler
DT398851Abnormal End Of The Program (AB)ADMINMOVETABLE in pureScale with FORCE_ALL option might take a long time to complete SWAP phase or even fail when running concurrent applications that access the same table using static SQLData Management
DT399999Incorrect Output (IN)Unnecessary port binding retry although bind might have returned success return codeProcess Model
DT400073Incorrect Output (IN)Altering a table adding check or foreign key constraints do not block uncommitted incompatible transactionsCatalog Services
DT407071Loop (LP)ROLLBACK HANGS WHEN REQUIRED DATA IS ON A BAD/CORRUPTED LOG PAGEAvailability
DT409145Incorrect Output (IN)Incorrect result when query has subquery predicate with correlation.Query Compiler
DT416594Incorrect Output (IN)Corrupted value for IBMQREPFILERECVMON may cause incorrect usage billing for Db2WoC clients.IIDR
DT418322 Extraction hits SQLPNONSEVEREPRGERR during recoveryAvailability
DT418459Incorrect Output (IN)901 or incorrect result when the registry variable REDSCANELIM_UCP is enabledQuery Compiler
DT419066Abnormal End Of The Program (AB)Table space rollforward to a point in time in DPF fails with SQL1034CAvailability
DT419142Incorrect Output (IN)A bad file might not contain whole field (zone) data in case an external table found bad data in fixed format.SQL Compatibility
DT421466Loop (LP)Fresh Installation of Db2 Server through GUI from a non-administrator account fails on WindowsDeployment
DT421709Abnormal End Of The Program (AB)In Linux platform, stored procedure call failed with SQL0902 error when stored procedure used scrollable cursor to fetch dataClient & Connectivity
DT422315System/3 Message (MI)A warning notifying a potential SQLOSSEMEXCEEDEDMAX when ipcmniextend is not enabled is incorrectly logged to db2diag.log at the Severe level.Operating System Services
DT422365Incorrect Output (IN)Incorrect Result when Db2 query has Outer Join and predicate with Boolean value TRUEQuery Compiler
DT423097Abnormal End Of The Program (AB)External Table FODC_FmpTrap occurs when reading a bad data record having large number of characters against NVARCHAR columnSQL Compatibility
DT424393Coded Message (MS)Insert, update or delete operation could get error allocating an index page.Data Management
DT424900Incorrect Output (IN)db2support command suddenly stops during executionProblem Determination Tooling
DT425584Performance (PR)REVERT CHANGES TO ALTER BUFFERPOOL MEMORY AFFINITY BEHAVIOUROperating System Services
DT425654 Enable referential integrity(RI) dependency through control tablesIIDR
DT425705Performance (PR)Optimize Query Performance for SAP HANA Data SourceFederation
DT426704 Column CCDKEYUPDASDELINS and CCDALLUPDASDELINS are missing in LUW(1140) migration scriptIIDR
DT433168Integrity Problems (IG)Adding license using db2licm -a command may fail with LIC1407N intermittentlyDeployment
DT434830Abnormal End Of The Program (AB)Query of columnar table after ALTER TABLE DROP COLUMN or ADMIN MOVE TABLE fails with -901Columnar Storage
DT435517 Capture comes down with 6005 when a transaction is aborted in a Non-DPF system with usestreamtrans=yIIDR
DT435852Abnormal End Of The Program (AB)db2fmp process might trap when dumping thread informationRuntime
DT436326Incorrect Output (IN)db2exmig and SYSPROC.SYSINSTALLOBJECTS with action 'M' fail granting privilege when the schema has special charactersQuery Compiler
DT436692Integrity Problems (IG)Security: IBM® Db2® is affected by a vulnerability in Apache Parquet (CVE:2025-30065)Federation
DT437317Abnormal End Of The Program (AB)HADR standby database might crash with SIGSEGV on function sqlpAddEntryToTransTable with Reads on Standby enabledAvailability
DT437506Additional Information (AI)Improve diagnostic information for investigation of failing AWS S3 requestsOperating System Services
DT394980Incorrect Output (IN)db2exmig and SYSPROC.SYSINSTALLOBJECTS fail for explain table migration when the schema has blanks, lower case letters or special charactersQuery Compiler
DT398441Incorrect Output (IN)SQL error SQL0901N with reason "unexpected error at TimeStamp.cpp:3395"Columnar Storage
DT406783Incorrect Output (IN)CLI does not mark the connection as broken after mapping -30108 to -30081 when enableSeamlessFailoverErrorCodes is false and ACR is enabledClient & Connectivity
DT409052Abnormal End Of The Program (AB)Security: Db2 is vulnerable to a denial of service with a specially crafted query (CVE-2024-52903)Federation
DT416742Incorrect Output (IN)Filter option of db2fmtlog tool does not handle component correctly.Availability
DT416751Loop (LP)Capture may hang when replicating columnar tables with USESTREAMTRANS=NIIDR
DT417579Abnormal End Of The Program (AB)Security: IBM® Db2® is vulnerable to a denial of service due to insufficient release of allocated memory resources. (CVE-2025-0915)Federation
DT418725Incorrect Output (IN)CLI Driver: Planned failover intercepted by affinityFailbackIntervalClient & Connectivity
DT421900Incorrect Output (IN)db2look -o option does not add ".sql" extensionCatalog Services
DT422677 db2mscs "NETNAMEVALUE" maximum length 14 bytes instead of 15 which is MAXCOMPUTERNAME_LENGTHAvailability
DT424299Incorrect Output (IN)db2prereqcheck fails as KSH 93u version and release undetermined in SLES 15sp6Deployment
DT424610Integrity Problems (IG)DB2LKGENERATEDDL fails to execute in BigSQL/DV v12.1 environmentsBig SQL
DT425986Integrity Problems (IG)Security: IBM® Db2® is vulnerable to a denial of service under certain conditions (CVE-2025-3050)Columnar Storage
DT436671Abnormal End Of The Program (AB)db2cm -verify -resources or db2start may fail with a segmentation fault when database(s) are mounted on the shared instance mount and other database(s) are mounted on database mountsAvailability

Db2 12.1.1 Fix Pack m1fp0
Known IssueSymptomAbstract
DT392298Coded Halt (HL)db2hmon waiting in Pending remote request
DT396756Abnormal End Of The Program (AB)db2prereqcheck is missing a dependency check
DT147866Incorrect Output (IN)IT37708: WHEN NUMBER OF TABLE PARTITIONS IS HUGE(EXAMPLE : 21000), DB2LOOK FAILS TO RECREATE TABLE DDL
DT393460Incorrect Output (IN)Replication target table becomes incorrect after TRUNCATE IMMEDIATE is executed on a source database in a DPF environment
DT398854Coded Wait (WS)Enhancement to release row lock on SYSIBM.SYSTABLES
DT418246Incorrect Output (IN)ACTIVATE or CONNECT to a database on a newly added member in pureScale can fail or return SQL1497W / SQL1648N
DT416491Incorrect Output (IN)ADMINMOVETABLE SWAP might take long due to active background processes
DT416519Performance (PR)ADMINMOVETABLE dictionary creation for large columnar tables might be slow
DT397218Coded Wait (WS)Potential FCM buffer leak on DPF systems when receiving SQL0803N
DT399999Incorrect Output (IN)Unnecessary port binding retry although bind might have returned success return code
DT396320Abnormal End Of The Program (AB)Db2 may encounter a severe error when issuing a query with IN predicate and guideline
DT389552 DB2 MIGHT TERMINATE ABNORMALLY FOR QUERIES REFERENCING VERY LARGE CASE EXPRESSIONS IN PREDICATES
DT409145Incorrect Output (IN)Incorrect result when query has subuqery predicate with correlation.
DT223744Performance (PR)NOT IN to antijoin conversion does not occur with expression.
DT418459Incorrect Output (IN)901 or incorrect result when the registry variable REDSCANELIM_UCP is enabled
DT417614Incorrect Output (IN)A query to a format-fixed external table with a space to the right of the data in the DECIMAL column returns SQL20570N.
DT389572Incorrect Output (IN)db2prereqcheck tool is showing AIX requirement for both 11.5.9.0 and 11.5.8.0 as 7.2 TL3 SP3 instead of 7.2 TL5
DT417977 Reverting - db2prereqcheck tool is showing AIX requirement for both 11.5.9.0 and 11.5.8.0 as 7.2 TL3 SP3 instead of 7.2 TL5
DT417537Abnormal End Of The Program (AB)Windows 32-bit DSDRIVER crashes during connect to z/OS data source when installed at non-default path
DT394926Abnormal End Of The Program (AB)Modify db2pd -hadr so that it no longer obtains a latch
DT396843Coded Halt (HL)Application may hang when running the SELECT * FROM SYSIBMADM.DB2INSTANCEALERTS statement in a pureScale environment
DT396293System/3 Message (MI)Db2 Pacemaker Corosync QDevice - Delete Cluster Domain and Read, but crm cluster status still shows old name
DT416761Loop (LP)db2diag.log flooded with messages from sqlplDrainOldReadAndWriteAccess and sqlrrrpcrouter
DT397334Performance (PR)LOGICAL_BACKUP stored procedure can be very slow when there are RCAC rules on SYSIBM.SYSTABLES
DT398397Abnormal End Of The Program (AB)RESTORE OR CREATE DATABASE MAY FAIL WITH ERROR ECFINVALIDINVOCATION_SEQUENCE
DT395188Abnormal End Of The Program (AB)Db2 Security Plugin loading failed when using ASAN (Address SANitizer)
DT393578Abnormal End Of The Program (AB)Db2 operation requests to S3 fails on FIPS-enabled environments
DT416963Incorrect Output (IN)Incorrect "Library is not loaded" diaglog entry from cryptGetSSLApiAddress
DT391670New Function (NF)GSKit Enhancements
DT239580Incorrect Output (IN)SQL Apply failed SIGIOT during startup
DT397421Incorrect Output (IN)Q Apply re-applies some transactions on restart after coming down for a MQ Client connection error


Db2 12.1 GA
Known IssueSymptomAbstract
DT213797Incorrect Output (IN)Runtime rollback progress monitor in application snapshot is not correct
DT245947Incorrect Output (IN)"Node" field in db2cm -list incorrectly shows primary VIP online on standby node after takeover.
DT391437Incorrect Output (IN)The current value of MAXLOG is not displayed correctly in db2diag.log message when the MAXLOG limit is reached
DT242860Incorrect Output (IN)Incorrect Output When Running db2level as Non-instance Owner Id in pureScale
DT247473Integrity Problems (IG)SYSINSTALLOBJECTS('LBAR, 'M',...) can Fail with SQL0601N
DT179542Incorrect Output (IN)Running db2iupdt when members are in restart light mode may write incorrect registry entries
DT260869Abnormal End Of The Program (AB)LOGICAL_BACKUP stored procedure fails due to file system full error (SQL0968C) on a temporary table space when taking an incremental or delta backup.
DT189771Incorrect Output (IN)db2pd -dbcfg does not display the current in-effect LOGFILSIZ configuration value
DT244994Abnormal End Of The Program (AB)Multiple instances in mutual failover pacemaker environment, unexpectedly fail back after move
DT225193Incorrect Output (IN)db2ckbkp may report false info when verifying DMS index data in the loadcopy image
DT220163Loop (LP)With Advanced Log Space Management (ALSM) configured, if the database encounters transaction log full (SQL0964N) while performing a snapshot backup or rollback, operations may take a long time and look like a hang
DT258270Loop (LP)Database is not activated on one of pureScale cluster after another member has successfully executed START HADR
DT386697Abnormal End Of The Program (AB)db2cm -import fails on Mutual Failover instance on Pacemaker cluster environment that uses a qdevice
DT365993Abnormal End Of The Program (AB)Restore rebuild may fail when the member topology in the target image is a subset of one or more intermediate images
DT260136Abnormal End Of The Program (AB)db2start fails when run as SYSADM user after updating SSH on Db2 pureScale
DT381277Incorrect Output (IN)Rollforward using overflowlogpath fails due to read only access to overflowlogpath.
DT179314Incorrect Output (IN)History file size could not exceed 4GB
DT245317Abnormal End Of The Program (AB)LOGICAL_BACKUP stored procedure for FULL backup with -tsm/-s3/-cos option on empty schema fails with SQL1797N
DT383079Abnormal End Of The Program (AB)Running db2cm commands such as 'db2cm -create -cluster' with db2locssh fail
DT390383Integrity Problems (IG)Security: IBM® Db2® is vulnerable to an information disclosure under specific conditions (CVE-2024-40679)
DT259070Incorrect Output (IN)Db2 Restore fails with SQL2530N because size of history file included in backup image is larger than 4G
DT241215Incorrect Output (IN)Unexpected SQL0998N Reason Code 36 when running distributed transactions in DPF environment
DT130654Incorrect Output (IN)IT40742: DB2READLOG API FAILED WITH SQL2038N DUE TO CHANGING OVERFLOWLOGPATH ONLINE
DT244454Incorrect Output (IN)Not able form HADR connection after renew certificate on the same SSL label
DT209087Abnormal End Of The Program (AB)HADR standby can fail after encountering disk full during log retrieval from archive
DT258379Abnormal End Of The Program (AB)db2cm -list fails to determine active state of HADR database resources on RHEL 9
DT394761Abnormal End Of The Program (AB)Execute 'db2cluster -verify -req -rdma_ping' repeatedly may get core dump at sqlhaAddRoutesAndArpsBasedOnSysFile()
DT225430Loop (LP)Application hangs when generating a new SEQUENCE value.
DT215525Loop (LP)Load copy restore may hang when the load copy image is corrupt
DT258934Abnormal End Of The Program (AB)LOGICALBACKUP/LOGICALRESTORE fails on single database partition system with SQL1797N if db2nodes.cfg file exits
DT258086Abnormal End Of The Program (AB)db2scp breaks due to default behavioral change of scp in openssh
DT236714Abnormal End Of The Program (AB)Old HADR primary database hung after receiving forced takeover request
DT245323Abnormal End Of The Program (AB)LOGICAL_BACKUP stored procedure for incremental multi-schema backup with -tsm/-s3/-cos option fails with SQL1797N
DT244789Incorrect Output (IN)When DB2_ONLINERECOVERY enabled, database forced to shutdown during online recovery processing.
DT225730Incorrect Output (IN)Incorrect db2diag.log message about non-consecutive LFH counters from db2agent
DT386990Abnormal End Of The Program (AB)ForceDBShutdown due to "Invalid backlso, it should be 0 for the first log record of a new transaction."
DT246349Unpredictable (UN)Orphaned transaction on DPF subordinator node after communication failure during COMMIT processing
DT260131Unpredictable (UN)Db2 not able to archive transaction log files from the FAILARCHPATH directory after a database crash.
DT271473Coded Halt (HL)Diag Mount resource not extended to new host for add/drop CF
DT247162Abnormal End Of The Program (AB)HADR STANDBY ENTERS AN INFINITE LOOP BETWEEN READ FROM MEMORY AND READ FROM DISK
DT174696Incorrect Output (IN)RECOVER DATABASE or ROLLFORWARD DATABASE command fails with SQL10003C.
DT147892Incorrect Output (IN)IT39142: "PRUNE LOGFILE PRIOR TO " command may result in unexpected SQLPEXTINVALID: "Invalid extent header (filenumber or signature IDs)" error and log files are not pruned
DT259213Integrity Problems (IG)HADR SSL support is not picking up SSL_CIPHERSPECS setting to restrict to TLS 1.3
DT379096Performance (PR)HADR standby log replay is slow when retrieving log files from archive
DT260706Abnormal End Of The Program (AB)db2start segfaults on AIX when registry variable to skip TSA license check is set
DT247093Abnormal End Of The Program (AB)LOGICALBACKUP/LOGICALRESTORE Stored Procedures can Hit -1224 SQLCODE
DT378855Incorrect Output (IN)CF communication may time out when FODC diagnostics are dumped
DT258947Abnormal End Of The Program (AB)LOGICAL_RESTORE fails with SQL1797N/SQL0644N when restoring a backup image that was taken on a system with different DPF topology or the restored table is not defined for all database partitions
DT241626 db2cm reports instance does not exist during db2 -create -instance for the remote host when using db2locssh
DT243562Performance (PR)Database recovery is slow while multiple edus are waiting on transsem latch
DT392504Incorrect Output (IN)dump.bin file is generated when ReadLog API receives interrupt with -1044
DT387031Abnormal End Of The Program (AB)db2cm -copy_resources is not copy db2fs and db2partition
DT260428Incorrect Output (IN)Tablespace rollforward command with OVERFLOW LOG PATH option fails with SQL1273N when log files in overflow log path are compressed
DT237982Incorrect Output (IN)DELETE from ORC ACID Hadoop table fails to delete all matching rows
DT157062Incorrect Output (IN)IT00327: DB2FMP MAY LEFT FOREVER WHEN "CONNECT RESET" HAPPENED AND THE DB2FMP IS IN THE HEADER OF THE FED FMP PRCOCESS LIST
DT224629Incorrect Output (IN)SYSIBMADM.ADMINTEMPTABLES AND SYSIBMADM.ADMINTEMPCOLUMNS MAY RETURN DUPLICATED ENTRIES
DT258452Loop (LP)Hang during query compilation
DT258325Performance (PR)db2cat not generating Packed descriptors related with timestamp scale/precision properly
DT253663Incorrect Output (IN)db2updv115 returns Error cleaning up object with sqlcode -204 is ignored
DT212944Incorrect Output (IN)db2look -printcfg missing MEMBER X in case of DPF/Purescale environments
DT245442Abnormal End Of The Program (AB)FODC_AppErr error with segmentation fault when Packed Descriptor is NULL
DT241262Coded Halt (HL)Lock wait/Latch wait from concurrent Drop Tablespace and Declare Global Temporary Table
DT259092Incorrect Output (IN)Db2look missing SET CURRENT SCHEMA statements for variable DDL in output
DT260618Unpredictable (UN)db2cat not generating Packed descriptors with correct codepages properly
DT222975Incorrect Output (IN)UNBLOCK CREATE TABLE AND ALTER TABLE TO CREATE PARTITION EVEN WHEN BOTH IN CLAUSE AND LONG IN CLAUSE ARE REMOTE AND LOCAL AT SAME TIME
DT189371Incorrect Output (IN)db2cleancat fails with SQL0100W even though orphan rows are reported
DT394248Abnormal End Of The Program (AB)db2cat cannot cleanup sysibm.sysrel orphan rows
DT391371Unpredictable (UN)Altering column data type from CHAR to VARCHAR may corrupt default insert length/value.
DT394782Incorrect Output (IN)THE EVMONUPGRADETABLES PROCEDURE LEADS TO A NON-RECOVERABLE LOAD
DT392845Integrity Problems (IG)Table columns may contain bad default which will cause SQL0901N
DT381031Incorrect Output (IN)db2cleancat not checking orphaned rows
DT147908Incorrect Output (IN)IT39950: IN RARE JOIN ON COLUMNAR TABLES COULD LOOSE ROWS
DT395574Incorrect Output (IN)-901 error is received when SQLATTRROWARRAYSIZE set to 8 when the receiving data from a Lob column with data size > 64 k.
DT259752Abnormal End Of The Program (AB)Security: Db2 is vulnerable to a denial of service when a specially crafted request is used via CLI (CVE-2023-45178)
DT269614Abnormal End Of The Program (AB)Support Db2 .Net provider for Linux on IBM Z
DT196087Incorrect Output (IN)SQL104 when running EXPORT EXTERNAL command in CLPPLUS
DT255114Integrity Problems (IG)Security: Db2 JDBC driver is vulnerable to an insecure cryptographic algorithm and to information disclosure in stack trace under exceptional conditions. (CVE-2023-47152)
DT147527Incorrect Output (IN)IT39783: CIE00756E IS LOGGED WHILE STARTING TEXT SEARCH
DT364439Incorrect Output (IN)When retrieving rows with decfloat values as -NaN and -SNaN using ODBC in a C or C++ program, the sign is lost.
DT202835Incorrect Output (IN)NIC Binding fails without newline character in nicbinding.cfg file
DT256842Abnormal End Of The Program (AB)Security: Db2 is vulnerable to denial of service when querying a specific UDF built-in function concurrently (CVE-2023-52296)
DT244554Incorrect Output (IN)Catalog DCS directory command allows db name to be more than 8 characters but fails to uncatalog the same.
DT392626Incorrect Output (IN)Schema filter might not work properly while performing EDMX wizard operation(Updating or Creating Entity Framework Model) through Visual Studio 2019.
DT257417Abnormal End Of The Program (AB)Two Phase Commit is not working as expected with the Db2 V1159 Restricted TCP/IP listener mode enhancement
DT241481 Windows only, type2 LUW connection fails with com/ibm/db2/jcc/uw/UWConnection.DBForceDisconnect(JIZZ)
DT241645Abnormal End Of The Program (AB)FODC_Trap happened when running XA transaction in purescale unfenced DRDA wrapper
DT228852Abnormal End Of The Program (AB)Security: Db2 federated server is vulnerable to a denial of service when executing LOAD under certain conditions (CVE-2024-27254)
DT196972Abnormal End Of The Program (AB)DB2DataReader.GetValue() returns System.Int16 type value for the boolean column instead of System.Boolean type value.
DT366161 Update outdated apache-mime4j-core jar.
DT386318Incorrect Output (IN)BLOB data returned in different order incorrectly when BLOB data size is > 64k and SQLATTRROWARRAYSIZE is set to 8.
DT383007Abnormal End Of The Program (AB)Security: Db2 is vulnerable to a denial of service when querying certain tables using a specially crafted statement (CVE-2024-35152)
DT269809Abnormal End Of The Program (AB)db2dsdcfgfill causing Segmentation fault
DT255163Incorrect Output (IN)REMOTETIER metrics not reported correctly. All COS read/write activity monitored in COMPACTIONTIER metrics.
DT246809Abnormal End Of The Program (AB)FODC_Panic with ASSERTION FAILED!!! on kvStorageImpl.cpp line 5831
DT394370Abnormal End Of The Program (AB)Marking DB bad on timeout error while draining writers for Set Write Suspend
DT394036Abnormal End Of The Program (AB)Database will go down unexpectedly during set write suspend when there is bulk IO running against NOCS tables
DT381033Abnormal End Of The Program (AB)Instance traps while attempting to use Native COS tablespaces on a platform where they are not supported
DT148610Incorrect Output (IN)IT38534: DB2ICRT CREATES / CHANGES .PROFILE OF THE INSTANCE OWNER TO HAVEA GROUP OF THE FENCED USER SPECIFIED WITH IT.
DT208386Incorrect Output (IN)db2idrop remove DB2INSTDEF when it match instance beeing dropped
DT147712Incorrect Output (IN)IT39750: ALTERS TO LBAC SECURITY POLICIES ARE NOT INCLUDED IN THE DB2LOOKOUTPUT
DT147910Abnormal End Of The Program (AB)IT39973: Frequent activationdeactivation can cause file handle leak and increase in memory on db2 server
DT147957Incorrect Output (IN)IT41481: RUNSTATS CALCULATES PCTINLINED INCORRECTLY WHEN USING TABLE SAMPLING
DT245544New Function (NF)Replay of an ALTER BUFFERPOOL operation may cause OOM
DT247235Incorrect Output (IN)ADMINMOVETABLE SWAP might fail with SQL2105N RC=11
DT381010Coded Message (MS)Write suspend can fail timing out waiting due to contention on latch suspendIOCBLatch
DT270146Abnormal End Of The Program (AB)SQL0901N when an XML column has been dropped from a table
DT378207Additional Information (AI)Error message in db2diag.log can be ignored (sqldProcessIxmSettingsRegVar, probe:5495)
DT209421Performance (PR)System temporary tablespaces are not chosen in a round-robin fashion when a temporary object is created
DT208314Incorrect Output (IN)In rare cases CREATE DB XXX AT DBPARTITIONUM can fail with SQL0902C due to an invalid flavour error
DT270239Coded Message (MS)ADM5530W (COMMIT processing of table that used NOT LOGGED INITIALLY) messages reported in db2diag.log
DT259443Performance (PR)Using DB2USEALTERNATEPAGECLEANING might, over time, clean dirty pages more aggressively than expected
DT387637Abnormal End Of The Program (AB)Incompatibility between Db2 11.5.5+ client and Db2 11.1.4.7 server for INGEST command
DT246182Abnormal End Of The Program (AB)A bad page error might be encountered when inserting data into a table with a clustering index after a REORG shrunk the table size.
DT385994 Memory leak running LOAD with STATISTICS USE PROFILE after RUNSTATS with distribution set profile only
DT276217Incorrect Output (IN)after ADMINMOVETABLE NOT ENFORCED constraints might be missing
DT245652Performance (PR)EDUs can hang while unlatching a page with DB2USEPAGELATCH_TRACKING enabled
DT258165Incorrect Output (IN)ADMINGETTABINFO reports LOB/XML sizes as zero while ADMINMOVE_TABLE is in progress
DT213452Incorrect Output (IN)db2pd -pages with "summary" option reports information that should not be in summary output
DT259276Incorrect Output (IN)LOAD and IMPORT with lob filename of 1 character only, rejects row with SQL3229W
DT394671Abnormal End Of The Program (AB)ADMINMOVETABLE in pureScale with FORCE_ALL option might take a long time to complete SWAP phase or even fail when running concurrent applications accessing the same table using dynamic SQL
DT257083Abnormal End Of The Program (AB)Certain database activation failures can leak memory
DT224833Integrity Problems (IG)Security: Unauthorized access to data vulnerability in ADMIN_CMD. (CVE-2023-38729)
DT258500Abnormal End Of The Program (AB)ADMINMOVETABLE option MESSAGES ON SERVER might cause SQL0104N
DT364320Performance (PR)Excessive latch contention on SQLOLTSQLBDIRTYLISTSET_walkLatch when DGTTs/CGTTs have indexes
DT246439Incorrect Output (IN)Incorrect units listed in Performance Metrics of Extent Movement in DB2DIAG
DT379179Abnormal End Of The Program (AB)Possible memory corruption in some rare situations when space is freed on a page by a delete or update operation
DT365906Abnormal End Of The Program (AB)Replication program may fail due to some information only log records being written incorrectly with the propagate flag
DT246121Incorrect Output (IN)SQL2048N might wrongly be raised on a backup operation when registry DB2BCKPPAGE_VERIFICATION=TRUE
DT364325Abnormal End Of The Program (AB)db2fmtlog not formatting "Delete LOB data" and "Non-update LOB data" log records
DT270487Abnormal End Of The Program (AB)LOAD into column based tables may crash
DT260764Incorrect Output (IN)Page Cleaner may lose track of outstanding IOs after transient IO error
DT246538Abnormal End Of The Program (AB)Replay of extent movement may result in abnormal tablespace state
DT393022Incorrect Output (IN)Fix XML query missing closing bracket ">" on DPF settings
DT247759Abnormal End Of The Program (AB)DB2 MAY TRAP DURING LOCK ESCALATION
DT394113Abnormal End Of The Program (AB)pureScale instance may panic when unfixing a page due to an invalid page latch
DT246746Incorrect Output (IN)Invalid XML from MONGETPKGCACHESTMT with FOR BIT DATA
DT365991Incorrect Output (IN)Possible SQL0901N when adding a new key to an index
DT381034Abnormal End Of The Program (AB)Possible memory corruption when the amount of free space changes on the a page in a table with a clustering index. This memory corruption could potentially lead to corruption of table data.
DT381196Abnormal End Of The Program (AB)-902 returned by db2ReadLog API when attempting to decompress the compressed row image in the log record
DT381265Incorrect Output (IN)Indexes on tables created by ALTER TABLE ... DETACH PARTITION ... are not owned by the Authorization ID that executed the ALTER TABLE statement.
DT144806Incorrect Output (IN)IT38496: DB2ICRT CREATES / CHANGES .PROFILE OF THE INSTANCE OWNER TO HAVEA GROUP OF THE FENCED USER SPECIFIED WITH IT.
DT244342Unpredictable (UN)db2profile and db2cshec tries to add missing antlr-3.2.jar into CLASSPATH.
DT261574Abnormal End Of The Program (AB)Security: Db2 is affected by a vulnerability in an open source library zlib (CVE-2023-45853)
DT208323Incorrect Output (IN)InstallFixPack succeeds with the install log file pointing to incorrect directory in optional step message points to -b instead of -p
DT197596Incorrect Output (IN)Group id was returning overflow int value during creation of fencedid file
DT159733Incorrect Output (IN)IT31301: DB2RSPGN DOES NOT CREATE DB2COMMONAPPDATATOP_PATH
DT257627Incorrect Output (IN)installFixPack -showlevelinfo for Db2 11.5.9 shows incorrect "Minimum committed code level required for online install"
DT160540Machine Check (MC)Password Confirm field does not accept more than 14 characters in Db2 Installation Wizard on Windows OS
DT147685Abnormal End Of The Program (AB)IT38755: DB2PREREQCHECK RETURNS SYNTAX ERRORS WHEN YOU DON'T USE OPTIONS
DT258954Abnormal End Of The Program (AB)db2installPCMK fails when updating from db2 image with pcmk-docs to one without
DT041374Unpredictable (UN)IT30122: INSTALLFIXPACK DELETES /ETC/SYSTEMD/SYSTEM/DB2FMCD.SERVICE FILE ON LINUX
DT196425Abnormal End Of The Program (AB)Installing Db2 connect server as a non-root user fails with a minor error
DT208933Incorrect Output (IN)installFixPack -b -p returns message DB11017I without also pointing to target directory -p
DT178438Performance (PR)Performance Issue for Windows NT Db2 DSDriver
DT172984Additional Information (AI)installFixpack without hastandbyignore option may not fail even though there is an instance where the sqllib directory is not mounted
DT270356Integrity Problems (IG)Db2 tools permissions read only after being moved to a new folder location
DT258225Integrity Problems (IG)Disable message queue creation in db2licd which has been discontinued
DT256803Integrity Problems (IG)Security: Db2 is vulnerable to a privilege escalation due to improper file permissions on Windows (CVE-2023-47145)
DT258875Abnormal End Of The Program (AB)Interrupt Federation NOSQL queries returns error code SQL1476N
DT276378Abnormal End Of The Program (AB)Security: Db2 federation is affected by vulnerabilities in an open source library commons-compress (CVE-2023-25710, CVE-2024-26308)
DT245187Abnormal End Of The Program (AB)Db2 federation reports SQL0901N The SQL statement failed (Reason "Unhandled data type".) when querying nickname decimal values with single quote.
DT382287Abnormal End Of The Program (AB)Security: IBM® Db2® is vulnerable to denial of service under specific conditions (CVE-2024-37071)
DT257398Performance (PR)Federation: Performance is bad due to query not pushed down for "no support correlation cse"
DT393712Incorrect Output (IN)SQL Update on Column-Organized Remote Table on Federated Database might fail with SQL1667N
DT253559Abnormal End Of The Program (AB)Rollback of operations on nickname cause database hang
DT253570Performance (PR)IN DB2 FEDERATED CERTAIN PREDICATE OPTIMIZATION DO NOT APPLY IN PRESENCE OF NICKNAMES.
DT256815Integrity Problems (IG)Security: Db2 is affected by multiple vulnerabilities in the open source presto library.
DT254946Incorrect Output (IN)Federated queries against Db2 for z/OS experience truncation issues with character columns
DT237800Abnormal End Of The Program (AB)Federation returns SQL0901N “Bad Data type” when remote PostgreSQL has unique index on BYTEA column
DT253655Incorrect Output (IN)Permit distinct is added in wrong place in remote statement for outjoin
DT276243Incorrect Output (IN)Some Federation db2fmp thread cannot be reused if user mapping plugin is enabled
DT276372 Update outdated json-path jar.
DT396121Incorrect Output (IN)Invalid characters are inserted into the GRAPHIC column instead of blank padding when the length of the inserted String is less than the column length.
DT246476Incorrect Output (IN)COLUMN LENGTH OF A NICKNAME UNEXPECTEDLY EXTENDS BY A FACTOR OF 4 WHEN THE REMOTE COLUMN IS CODEUNIT32.
DT247610Abnormal End Of The Program (AB)CREATE NICKNAME might cause SQL1822N Unexpected error code Error with ODBC Wrapper
DT245747Incorrect Output (IN)An update on nickname set column = null, might report a DB21034E message with an embedded SQL604 indicating “CHAR(0 OCTETS)” is not valid
DT257775Performance (PR)Db2 federation YEAR() function not pushdown to SQL Server caused low query performance
DT269538Incorrect Output (IN)Enabling two phase commit on DRDA datasource wrong results returned
DT260513Abnormal End Of The Program (AB)CSE TEMP from remote causing codegen to execute a subsection twice
DT241777Abnormal End Of The Program (AB)IMPORT on Db2 Federation nickname might cause SQL0440N Error.
DT258536Coded Message (MS)Undefined user tenant receives SQL0270N Function not supported (Reason code = "125") when federating to Db2 for z/OS
DT380381Incorrect Output (IN)Federation: SQL0901N error "bad outer compare"
DT247476Incorrect Output (IN)Db2diag.log fills with lost of warning messages that relate to drop_server
DT257776 CD4D Inline view query fails - SQL1822N - Schema must be specified when session schema is not set
DT257584Incorrect Output (IN)NNSTAT reports SQL20274W error
DT364021Incorrect Output (IN)SELECT ... UNION SELECT DIGITS(c1) ... ORDER BY MAY RETURN AN INCORRECT ORDER
DT260107Unpredictable (UN)The SQL statement or command failed with SQL901 and reason lock not owned by caller
DT380983Integrity Problems (IG)Security: Db2 is affected by vulnerabilities in the open source commons-configuration2 library. (CVE-2024-29131, CVE-2024-29133)
DT257503 Defect fix MS SQL Server rand() in a query predicate not working in CP4D v4.7
DT261886Abnormal End Of The Program (AB)SYSPROC.NNSTAT traps in IOvfprintf function call
DT381851Integrity Problems (IG)Security: Db2 federated server is affected by a vulnerability in an open source library bcprov-jdk18on (CVE-2024-30171, CVE-2024-30172)
DT386586Integrity Problems (IG)Security: Db2 is affected by a vulnerability in the open source netty-codec library. (CVE-2024-29025)
DT381804Abnormal End Of The Program (AB)Federation create nickname for Informix failed with SQL3324N Column has a type of "BIGINT()" which is not recognized
DT389938 Q Apply should support External Table Load (LOAD_TYPE 7) when the source table is row organized
DT261299Incorrect Output (IN)SQL Apply ASNLOAD.exe crashes
DT245324Incorrect Output (IN)Q Apply internal load for columnar table fails with SQL-303 when there are FOR BIT DATA columns
DT255120Incorrect Output (IN)Set PRUNEBYCORRELID default to N when Q Apply is using MQ Client to access local queue on z/OS
DT393441Incorrect Output (IN)Capture should deactivate subscriptions if drop column statement is detected on LUW
DT247445Incorrect Output (IN)For SQL Replication, we should keep column options "NOT NULL WITH DEFAULT" when altering CD table
DT245558Incorrect Output (IN)Asnmail program crashed on Windows platform
DT245411Unpredictable (UN)SEARCH_CONDITION does not filter data properly
DT245070Incorrect Output (IN)ASN2100E occurs when CREATE QSUB with source column name length exceed 30 chars for Oracle target.
DT246371Incorrect Output (IN)QREP need to generate ctl file for SQLLOADER with EXPRESSION parameter after a column name to set that column to the value returned by a SQL operator or specially written PL/SQL function
DT247984Abnormal End Of The Program (AB)QApply fails with SQL0193N when processing an ADDCOL on a table with a user defined-type column, because QCapture sends a bad message.
DT394030Incorrect Output (IN)Fix for truncate immediate being rolled back
DT257883Incorrect Output (IN)Update migration script for Oracle capture and support options for new control tables on SQLRep
DT380061 Apply RECVQ gets stuck on ADDCOL when there is an open streaming transaction
DT237964Incorrect Output (IN)Q Apply Initial Load fails on Generated Always Row Organized tables with ASN7597E and SQL3107 rows rejected
DT365587Incorrect Output (IN)Q Capture with LOGREAD_PREFETCH=Y loops and repeatedly issues ASN0193W if error during startup, even if TERM=Y, instead of coming down.
DT393610Incorrect Output (IN)INCLUDE column in UNIQUE INDEX is picked up as a replication key wrongly
DT393194Incorrect Output (IN)Oracle Capture should not terminate if a new column is added into a source table
DT255449Incorrect Output (IN)In ASNCLP, we needn't check each Db2 version 10,11...just need to check if the version number is bigger than 10
DT258156Incorrect Output (IN)SQL Apply exposes error ASN1001E if we specify COMMIT COUNT value when creating subscription set
DT261339Incorrect Output (IN)Q Apply TOLERATEPARTIALTRANS=Y should tolerate not 1st trans seq -> TXS error
DT390507Incorrect Output (IN)Q Apply does not generate data file correctly for Oracle sqlldr with expressions
DT245447Incorrect Output (IN)Add SQLRep missing columns for upgrade scenarios.
DT244881Incorrect Output (IN)Keep Capture_truncate default value as 'W' .
DT365075Incorrect Output (IN)Replication Center(RC) makes a garbled character for value of IBMQREPSUBS table's HASPARTS column in UPDATE statement, when adding a column for replication.
DT259072 The Replication Alert Monitor only generated the ASN5157W alert when one Q subscription is in inactive and STATE_INFO is not NULL
DT260640Incorrect Output (IN)Spill to file code fix in Q Capture when transaction has rollback to savepoint
DT381798 Q Capture should deactivate the associated subscriptions if the external table file size on disk does not match what was logged by db2
DT383101Incorrect Output (IN)Q Capture should allow the use of wildcards for schema/table name in IBMQREP_EXCLSCHEMA
DT247507Incorrect Output (IN)We need to detect Db2 z/os version in ASNCLP, different version has different behavior.
DT393166Incorrect Output (IN)SQL Capture should ignore row Opcode 6
DT238210Incorrect Output (IN)STALE and WARNTXSZ value set in IBMSNAP_CAPPARMS are not picked up even after a restart of SQL Capture
DT378635Incorrect Output (IN)ASNCLP with "INCLUDE HISTORY" option for temporal tables is resulting in the error of SQLCODE=-20490.
DT394335Integrity Problems (IG)Q Capture incorrectly replicates a row that is rolled back because of duplicate key violation
DT382046Incorrect Output (IN)Deactivate subscription if DCC is turned off while Capture is running for an active subscription
DT247802Incorrect Output (IN)Finding transaction ID for QApply to use in skip trans
DT245039Abnormal End Of The Program (AB)Q Capture crashes when run with debug in a dpf environment during publishing of streamed transactions
DT390155Abnormal End Of The Program (AB)Q Apply crashes in conflict retry logic on a spilled row
DT380453Incorrect Output (IN)Add the SQLRep migration scripts into 1140
DT261352Abnormal End Of The Program (AB)Files libdb2CosApiS3.so and db2RemStgManager are missing on Linux for zSeries
DT247384Abnormal End Of The Program (AB)Db2 might crash due a failed semaphore operation (semop OSERR: EIDRM/EINVAL) after accessing a remote storage object (DB2REMOTE)
DT259128Incorrect Output (IN)A SQL1646N error returns and the number of threads used by the db2fmp increases.
DT259936Incorrect Output (IN)Avoid "cannot open file" errors while using rah or db2_all concurrently
DT379919Incorrect Output (IN)Incorrect diagnostics in case tree that reports memory corruption.
DT147898Unpredictable (UN)IT39477: DB2 MIGHT UPDATE KERNEL.MSGMNI AND KERNEL.SHMMNI TO 32K IN CASE IPCMNI_EXTEND IS DISABLED.
DT270233Performance (PR)DIO with NFS should be restricted to READWRITE/WRITEONLY
DT393449Incorrect Output (IN)Backup/Restore operations may abort due to SQLOADDRCONFLICT error of db2vend process.
DT394111Abnormal End Of The Program (AB)Administration notification log records written by a WSE instance on 11.5.9 Windows corrupts Event log data.
DT261306Coded Halt (HL)SQL1652N File I/O error occurred returned on db2start or db2stop in DPF
DT382026Abnormal End Of The Program (AB)Trap in dlopen() causes deadlatch with loadquery() called by Db2 signal handler
DT382989Incorrect Output (IN)db2 admin task failing with SQL0100W message can return a misleading message "DIA8111C Authorization failure" in db2diag.log
DT258849Abnormal End Of The Program (AB)db2support debug information enhancement for db2look output generation failure
DT214893Incorrect Output (IN)FODC_AppErr doesn't use the path configured by "db2pdcfg -fodc FODCPATH=" as the target path to generate diagnostic data
DT223345Additional Information (AI)Incomplete or empty db2look file from optimizer db2support diagnostic data collection
DT365492Performance (PR)db2support collection get stuck at prerequisite check information step
DT258712Incorrect Output (IN)Windows only: db2pd -intwlmadmission generates a binary file under C:\ regardless of DIAGPATH setting and fails to dump intwlmadmission data with either queue or detail option
DT395088Incorrect Output (IN)"warning: direct reference to protected function" messages may appear when running Db2 executables on zLinux SUSE 15 SP6
DT247203Abnormal End Of The Program (AB)Db2 Trap in sqleWLDContinueSpin()
DT247998Incorrect Output (IN)Cannot add new member in PureScale due to memory address conflict error
DT386158Incorrect Output (IN)Monitoring LBPPAGESFOUND element does not take CACHING_TIER into account.
DT381925Abnormal End Of The Program (AB)Connection retry logic should be avoided for down members in pureScale
DT148624Incorrect Output (IN)IT38982: FODCWLMQUEUE GENERATION CAN TAKE TOO LONG
DT259129Coded Halt (HL)Deadlatch on SQLOLTSQLPDBCBaddlogspace_sem is possible when using threshold violation event monitors and wlm thresholds
DT215999Performance (PR)Contention on dbMgrLatch with many client connection termination
DT270063Incorrect Output (IN)IN PURESCALE WHEN AN APP RECEIVES SQL0997W MESSAGES ARE LOGGED WITH LEVEL SEVERE/ERROR THAT SHOULD BE INFORMATIONAL
DT378285Abnormal End Of The Program (AB)UPDATE DBM CFG IN A CLIENT INSTANCE FAILS WITH SQL5126N AFTER UPGRADING FROM LOWER VERSION.
DT172757Abnormal End Of The Program (AB)SQL1428N from SQLDropDB() if SQLDriverConnect() connection-string has local hostname
DT245132Coded Halt (HL)Db2 thread may hang when a signal handler is called during the invocation of localtime_r function
DT260491Abnormal End Of The Program (AB)Possible trap in pdCreateDirFODC
DT394169Abnormal End Of The Program (AB)An instance crash may occur during event monitor activation if there is insufficient memory in the Database Monitor Heap (MONHEAPSZ)
DT387593Incorrect Output (IN)Write to Table event monitors disappear on non-catalog nodes
DT260289Incorrect Output (IN)UPDATE DB CFG command might fail with SQL5124N in DPF or pureScale environment
DT392571Coded Halt (HL)Event Monitor application handle may be stuck in Pending remote request on pureScale or DPF systems.
DT247624Incorrect Output (IN)Caching Tier Hit Ratio is incorrect
DT387634Incorrect Output (IN)Calling the EVMONFORMATUETOTABLES procedure may take time and it cannot be forced
DT269842Incorrect Output (IN)AUTOMATIC FCM_PARALLISM computation can set a value greater than the maximum allowed configuration value
DT380116New Function (NF)On Db2 pureScale Force DB Shutdown Does Not Stop the Database Quickly Enough
DT247649Incorrect Output (IN)COMPACTION column names in MONGETBUFFERPOOL, MONGETDATABASE and MONGETTABLESPACE are wrong
DT246510Performance (PR)SQLOLTsqmcontrolmeslatch Contention in Heavy Workloads with System Temp Tables
DT380557Coded Halt (HL)Rolling updates installfixpack -commit_level can fail if upgrading from before/on v1157 to versions after/on v1157 with SQL1648
DT382327Incorrect Output (IN)Update database manager configuration can succeed for MULTIPARTSIZEMB configuration parameter outside the allowable range on pureScale
DT148803Abnormal End Of The Program (AB)db2pkgrb terminates abonrmally with concurrent call to SYSPROC.ADMINREVALIDATEDB_OBJECTS()
DT247890Abnormal End Of The Program (AB)DB2 may wrongly report -901 instead of -551 when package compilation fails due to -551
DT147904Incorrect Output (IN)IT39769: DB2 MIGHT REPORT AN ERROR FOR COMPLEX UNION REFERENCED IN COMMONTABLE EXPRESSIONS
DT237759Coded Message (MS)A Db2 query may generate a SQL 901 when using an aggregate function on an expression
DT246499Abnormal End Of The Program (AB)Security: Db2 is vulnerable to a denial of service when a specially crafted query is used (CVE-2023-47746)
DT148509Abnormal End Of The Program (AB)IT41779: ISSUING A QUERY WITH TABLESAMPLE MAY FAIL BY SQL0901N.
DT169848Performance (PR)Poor performance of Db2 query with correlated scalar subquery
DT246413Incorrect Output (IN)External procedure invocation may fail with SQL0204N after dropping and recreating dependent table and auto_reval=disabled
DT149263Abnormal End Of The Program (AB)IT42026: DB2 MIGHT RETURN -901 WHEN EXTERNAL TABLE FUNCTIONS ARE USED IN INSERT STATEMENTS WITH COLUMN ORGANIZED TABLES
DT258141Abnormal End Of The Program (AB)Security: Db2 is vulnerable to a denial of service with a specially crafted query on certain columnar tables (CVE-2024-22360)
DT271456Abnormal End Of The Program (AB)FODC_Trap with Signal 11 (SIGSEGV) when executing a complex query with a mix of replicated and non-replicated tables and an IN list predicate
DT224146Abnormal End Of The Program (AB)-901 error might be thrown when there are AVG functions inside complex CSEs (Common Subquery Expressions)
DT245211Incorrect Output (IN)A SORT plan may fail with -901 and error message "Order columns removed from the sort output columns"
DT393612Abnormal End Of The Program (AB)Db2 Query may Trap when MQT has aggregation
DT255442Abnormal End Of The Program (AB)Db2 may generate 901 when table with generated column participate in join
DT270076Abnormal End Of The Program (AB)Security: Db2 is vulnerable to a denial of service with a specially crafted query under certain conditions (CVE-2024-28762)
DT269553Abnormal End Of The Program (AB)Db2 COMPLEX QUERY WITH IN LIST PREDICATE FAILS WITH SQL0901N
DT254942Performance (PR)Poor performance due to unexpected filter factor
DT381784Integrity Problems (IG)Db2 may terminate abnormally after upgrade to a new fixpack.
DT197356Incorrect Output (IN)Possible wrong result when comparing DBCLOB in column-organized table and string contains surrogate characters
DT221786Abnormal End Of The Program (AB)Security: Db2 is vulnerable to a denial of service when using a specially crafted query (CVE-2023-47747)
DT391472Abnormal End Of The Program (AB)Security: IBM® Db2® is vulnerable to denial of service under specific conditions (CVE-2024-41761)
DT259574Performance (PR)-901 "Inc bind section statement changed!" and FODC_AppErr after applying Cumulative Special Build
DT395960Abnormal End Of The Program (AB)SQL0901N when UNION has more than 64 branches
DT394272Performance (PR)Scalar Subquery joined with Base Table participating in Outer Join may cause poor performance
DT270507Incorrect Output (IN)Cast of non-string to VARCHAR FOR BIT DATA with NLSSTRINGUNITS=CODEUNITS32 has wrong result type string unit
DT365596Abnormal End Of The Program (AB)Security: Db2 is vulnerable to a denial of service as the server may crash when using a specially crafted statement (CVE-2024-31880)
DT257192Performance (PR)Db2 CLI and ODBC function SQLColumns might require a long time to compile if FUNCTION PATH doesn't start with SYSIBM schema
DT269502Performance (PR)Db2 query may show poor performance when Group By is applied before joining on Group by Columns
DT365623Abnormal End Of The Program (AB)Security: Db2 is vulnerable to a denial of service as the server may crash when using a specially crafted query on certain columnar tables (CVE-2024-31881)
DT378893Coded Message (MS)SUBSTR expression on column-organized table fails with -901 "unexpected error at MinMaxPartialEvaluator.cpp"
DT221739Incorrect Output (IN)Incorrect result with IN/EXISTS subquery predicate and table function
DT364145Performance (PR)Performance issue for queries with Left Outer join referencing a correlated scalar sub-query in the ON clause
DT392170Abnormal End Of The Program (AB)Memory overwrite when compiling a query that joins multiple column-organized tables with complex join predicates
DT256943 BDInsights workload query simple-23 fails with SQL0901N against DATALAKE/Iceberg TPC-DS tables accelerated by MQTs stored in Db2 Native format on Cloud Object Storage (NCOS)
DT390381Incorrect Output (IN)Wrong results due to Incorrect SMP parallelization strategy using UNIQUE and NLJOIN operators
DT179938Abnormal End Of The Program (AB)Security: Db2 is vulnerable to a denial of service as a trap may occur when selecting from certain types of tables (CVE-2023-29267)
DT210965Abnormal End Of The Program (AB)A SELECT WITH CASE EXPRESSION MAY FAIL WITH ERROR SQL0901N ( REASON "INVALID QNC ASSIGNMENT")
DT243869Abnormal End Of The Program (AB)Compilation of complex query might result in segv trap with sqlnoallochash_table
DT246037Incorrect Output (IN)A merge query with rownum may fail with -901 error
DT364003Abnormal End Of The Program (AB)FODC_AppErr will be generated for an Update statement when a column from the target of the Update is referenced in the ORDER BY clause of a scalar sub-query in the SET clause
DT173611Abnormal End Of The Program (AB)Db2 server may return -901 when using REGEXP_LIKE FUNCTION in the query
DT393202Performance (PR)low selectivity estimate of IS NULL predicates results in less optimal plan execution
DT259695Abnormal End Of The Program (AB)db2exmig moving to Db2LUW v11.5.9.0 fails on Windows platform
DT386007Performance (PR)Poor performance of internal procedure SYSIBM.SQLPROCEDURECOLS resulting in high CPU usage
DT383082Integrity Problems (IG)CREATE OR REPLACE SQL routine fails with SQLCODE -901 "No procedure package found in sysdepencies"
DT381749Incorrect Output (IN)Trap when subquery predicate used with OR
DT380947 Poor performance due to missing user selectivity marking
DT261460Performance (PR)A query referencing column-organized tables may perform sub-optimally when selecting from a scalar subquery within a common-table-expression
DT387181Incorrect Output (IN)Incorrect result when query has UNION ALL and reference to same table.
DT276289Incorrect Output (IN)In DPF, XML queries may return incorrect result if tables are repositioned prior to navigation
DT386996Performance (PR)Poor performance when UNION has Scalar Aggregate
DT147985Performance (PR)IT26459: SLOW PERFORMANCE MIGHT BE OBSERVED WHEN RUNNING AN IUD STATEMENTWITH CERTAIN CHARACTERISTICS
DT363631Performance (PR)Poor performance during inserts into columnar tables due to high contention on database heap latch
DT147400Abnormal End Of The Program (AB)IT41688: Return SQL0901N instead of SQL0902N which takes Database down when we failed to get latch in DPF.
DT261311Abnormal End Of The Program (AB)FMP Trap due to wrong pd macro
DT276989Incorrect Output (IN)VARCHAR_FORMAT() support for DECFLOAT
DT244336Incorrect Output (IN)Execution of static package fails with 'cdeStaticSettings != __null' AssertionFailedException
DT146845Incorrect Output (IN)IT34397: A MERGE STATEMENT CAN FAIL WITH AN SQL0901N: REASON (UNEXPECTEDERROR AT TSNRANGEITERATOR.CPP:841)
DT255196Incorrect Output (IN)SQL0901N error with assertion failure "bad year" (or bad month, day, hour, minute, second, or time) when querying a DATE, TIME, or TIMESTAMP column in a columnar table
DT197214Abnormal End Of The Program (AB)Trap with sigsegv in CDE Join in crash recovery scenario
DT246563Abnormal End Of The Program (AB)Security: Db2 is vulnerable to a denial of service when a statement is run on columnar tables under specific conditions (CVE-2023-50308)
DT260222Abnormal End Of The Program (AB)CAST from BINARY type to DECIMAL fails with -901 error sqlerrmc: unexpected error at DecimalCore.hpp:308
DT270401Abnormal End Of The Program (AB)Db2 11.5.8. CDE query fails with AssertionFailedException Thrown at JoinSpillInfo.cpp : 4342
DT255491Incorrect Output (IN)varchar_format prefixing with 0 when the number is passed in exponential format resulting in inconsistent output
DT391953Abnormal End Of The Program (AB)Potential memory leak in java heap if SP/UDF implemented by java
DT246565Incorrect Output (IN)Message SQL0913N with reason code 80 and message "Unable to get insert range for table" in db2diag.log
DT246502Abnormal End Of The Program (AB)The fix for DT245096 introduced a different problem
DT244628Coded Halt (HL)Rare 901 with SORT using FETCH FIRST N ROWS or LIMIT in columnar engine
DT221961 Assertion tableInTCB == &table fails during table index rebuild
DT258155Abnormal End Of The Program (AB)Db2 server may report -902 and database marked bad
DT212556Coded Message (MS)-901 in sqlkbptn - with message, unexpected src len > can_len
DT259530Abnormal End Of The Program (AB)SQL0954C error code returned when access plan has a HSJN with BTQ
DT257175Coded Message (MS)Return code get can overwritten in message from sqlerCallDL in db2diag.log
DT243538Abnormal End Of The Program (AB)SQLOSLATCHCAS64::getConflictComplex reports corrupt latch when releasing extended insert range as part of truncate table
DT247559Incorrect Output (IN)Incorrect result possible with OLAP done in rowstore when sql has EXISTS clause.
DT390024Abnormal End Of The Program (AB)Security: IBM® Db2® is vulnerable to denial of service under specific conditions (CVE-2024-41762)
DT260342Incorrect Output (IN)SQLCODE -901 "invalid compile env: catalog index key violation" during PREP or BIND
DT259502Abnormal End Of The Program (AB)Memory leak or high memory usage in Db2 Server when using "CURRENT TIMEZONE" syntax with monitor functions (MON_xxx)
DT377867Incorrect Output (IN)Assertion "'mInitializedForRowLogging' failed: Row logging must be initialized before starting" in columnar table using replication
DT380744Abnormal End Of The Program (AB)Rare sigsegv when HSJN is done in Columnar logic on Columnar Tables
DT390433Abnormal End Of The Program (AB)db2trc fmt SEGV in pdSQRAFormattokenlist()
DT257996Incorrect Output (IN)SQL0180N WHEN USING CASE EXPRESSION WITH COLUMNAR TABLE
DT259814Abnormal End Of The Program (AB)Security: Db2 is vulnerable to denial of service with a specially crafted query (CVE-2024-25046)
DT148274Integrity Problems (IG)Security: IBM DB2 for Linux, UNIX and Windows (includes Db2 Connect Server) is vulnerable to denial of service with a specially crafted query (CVE-2023-47158)
DT197041Performance (PR)Revoking DBADM privilege binder invalidates package with no dependencies unnecessarily
DT245279Abnormal End Of The Program (AB)POSSIBLE CORE FILE, TRAP WITH CORRUPTED STACK GENERATED BY DB2FMP WHEN QUERY IS INTERRUPTED
DT244709Incorrect Output (IN)Specifying a value outside the column range for the SUBSTR scalar function in CDE query may result in a SQL0901N
DT148482Incorrect Output (IN)IT40937: BOOLEAN EXPRESSION EVALUATION RETURNS WRONG RESULT WITH NULLS
DT256910Coded Wait (WS)An assertion hit by running runstats might cause the runstats command to hang
DT246556 the fix for DT245096 introduced a different second problem
DT260082Loop (LP)Query a nickname may get hang when DB2MAXTHREADSPERFMP is set
DT246562Abnormal End Of The Program (AB)Assertion failure "Offset into table accessors list is bad" when truncating a columnar table
DT178408Incorrect Output (IN)ROUND unable to provide correct result for double at precision value of 4
DT212319Abnormal End Of The Program (AB)REFRESH TABLE of a column organized MQT in a DPF system can result in a -901 sqlcode and a database shutdown
DT256966Abnormal End Of The Program (AB)Queries on Columnar tables may fail with -901, "Unable to access target page from page map" reported in db2diag.log
DT212894Incorrect Output (IN)Running select statement with LISTAGG(...) WITHIN GROUP(ORDER BY ...) returns error -901
DT174067Incorrect Output (IN)Command "db2set -lr" does not list the registry variables used to control replication of columnar tables
DT269600Incorrect Output (IN)varchar_format support for decfloat
DT363633Abnormal End Of The Program (AB)FODCAppErr on LeafPredicateEvaluator::processTSNRange then FODCTrap on PackedBankSIMD caused instance to crash
DT258264Loop (LP)PSM Procedures fails interpreting with external interrupts, results in endless cycle of rollback
DT261226Additional Information (AI)Slow performance due to excessive db2diag.log function TableInserter::handleTailPageZero entry
DT245904Abnormal End Of The Program (AB)SQL1042C error reported with SQLJ.RECOVERJAR and SQLJ.INSTALL_JAR for WINDOWS
DT391657Loop (LP)In rare condition sort queries in BLU with FETCH FIRST n ROWS ONLY can hang
DT245068Integrity Problems (IG)Asynchronous partition detach task reports deadlock with ALTER TABLE
DT380446Abnormal End Of The Program (AB)Panic when freeing TableAccessor during TRUNCATE TABLE
DT242525System/3 Message (MI)Interrupt to fmp may generate many harmless error message in db2diag.log
DT223226Abnormal End Of The Program (AB)Hang and 901 are possible when complex insert from select into a Columnar table is done.
DT245096Abnormal End Of The Program (AB)Rare trap when columnar organized tables are in use and DB2CDESTMTCACHING reg variable is set.
DT319206 A way to block calling of calling of UTLMAIL, UTLSMTP, UTL_TCP by any and all users.
DT147755Abnormal End Of The Program (AB)IT41057: SQL0407N RETURNED WHEN RUNNING AN INSERT FROM RTABLE
DT269735Incorrect Output (IN)db2expln command returns a huge optimizer estimate when queries have a IXAND access plan
DT245712Abnormal End Of The Program (AB)app heap OOM due to huge runtime section allocations
DT365905Performance (PR)Large systems doing complex queries on columnar tables might experience performance impact.
DT389420Incorrect Output (IN)Inserting a big clob from a java/JDBC program corrupts it when using CODESET IBM-850 TERRITORY AT
DT243612Abnormal End Of The Program (AB)SQL0901N during Columnar HSJN with Additional info: Hash Table cannot accomodate any more keys
DT209769Performance (PR)Db2 instance stucks reporting SQL1226N The maximum number of client connections are already started.
DT147951Abnormal End Of The Program (AB)IT41213: QUERY WHICH USES ANY SCALAR FUNCTION AND INVOLVING MQT LEADS TO -901 BAD PLAN UNRESOLVED QNC FOUND.
DT381542Performance (PR)Poor performance when doing a high number of inserts to column organized tables
DT386079Incorrect Output (IN)-901 error and FODC_AppErr dump when a datetime result exceeds the valid range of dates
DT380591Abnormal End Of The Program (AB)INSPECT command on a corrupted column-organized table results brings down the database with error code SQL1224N and FODC_Trap
DT382454Abnormal End Of The Program (AB)STATEMENTS ON TABLE WITH LOB COLUMNS WITH LARGE NUMBER OF ROWS MIGHT DUMP AND RETURN SQL0901N
DT381815Incorrect Output (IN)SQL0901N error when selecting from, updating, or deleting from an empty columnar table using the SQL RID(table) function
DT386505Incorrect Output (IN)Input JSON to JSONTOBSON function not validated for uniqueness before conversion to JSON
DT387010Performance (PR)Performance issue is possible with extra Flight Recorder information being logged.
DT386729Coded Wait (WS)Hang due to deadlock between SQLB_BPDbpdLatch and InsertRangemConcurrentInsertLatch when updating a columnar table with LOBs
DT245948Abnormal End Of The Program (AB)Db2 does not support PKCS#11 OASIS Standard 2.40 version
DT364123Incorrect Output (IN)Replay of a LOAD COPY image stored in Cloud Object Storage may fail with SQL1092N.
DT396187Incorrect Output (IN)Intermittent GSKit error 106 from multithreaded Db2 clients when using SSL and an in-memory keystore
DT366049Incorrect Output (IN)Alter trusted context drop attribute fails with SQL0644N
DT246813Abnormal End Of The Program (AB)Trusted context DDL hangs in pureScale environment if a trusted context is dropped with audit association before on another connection
DT247400Incorrect Output (IN)UPDATE DB CFG might return SQL5124N on DPF or PureScale due to an SQL1092N error on a remote node
DT244530Incorrect Output (IN)Connections using a certificate bundle with simplified SSL might return GSKit error 414
DT255389Integrity Problems (IG)GIM Installer is no longer bundled with Db2
DT385946Loop (LP)Agent may hang after an abnormal shutdown of Db2 leaving audit file in the middle of audit archive process
DT247104Additional Information (AI)In Db2 pureScale environment, db2support -db command should automatically collect CAPD.*.thrstk folders
DT381941Incorrect Output (IN)"db2stop instance on host-name" command could fail with inappropriate error code
DT246758Performance (PR)Using 'db2support -db ' in Db2 pS 11.5.8 will collect db2pd GLM may degrade performance, trigger Queue Full conditions, and result in connection removal.
DT261258Performance (PR)Under RHEL 8.6 operating system, pureScale users may see high CPU usage on their system.
DT396218Abnormal End Of The Program (AB)CF asserts during member shutdown can cause crash of CF
DT247105Performance (PR)Db2 pureScale CF hang due to unreleased latch in CF list structure resize causes member FODC
DT391848 A CF hang can occur during a gbp page dump from a FODC_INDEX
DT354341Abnormal End Of The Program (AB)Database upgrade in a pureScale environment might fail with "SQL0973N Not enough storage is available in the "CFSCASZ" heap or stack to process the statement"
DT245599Abnormal End Of The Program (AB)Purescale CF may hang while dumping db2cos script information
DT382117Abnormal End Of The Program (AB)In a pureScale Cluster, database recovery failure can lead to a member panic due to CF timing issue.
DT270290Abnormal End Of The Program (AB)After an abnormal termination access to database always fails with SQL1042C.



 

 

Document Location

Worldwide

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Document Information

Modified date:
23 June 2025

UID

ibm17175589