Fixes are available
Db2 Version 11.1 Mod4 Fix Pack4 iFix001 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 4 Fix Pack 4 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 4 Fix Pack 6 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 4 Fix Pack 5 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 4 Fix Pack 7 for Linux, UNIX, and Windows
APAR status
Closed as program error.
Error description
There was debug code added as part of the fix for IT22695. This can cause false detection of errors in the append cache. Errors in db2diag.log file show similar to the following: 2018-08-13-06.33.22.515595-240 I144726A3393 LEVEL: Severe PID : 6815792 TID : 38607 PROC : db2sysc 0 INSTANCE: db2inst1 NODE : 000 DB : SAMPLE APPHDL : 0-242 APPID: X.X.X.X.0000.180812174458 AUTHID : DB2INST1 HOSTNAME: hostname EDUID : 38607 EDUNAME: db2agent (SAMPLE) 0 FUNCTION: DB2 UDB, data management, sqldFindRidFromPageCacheComplex, probe:4623 MESSAGE : Error searching page cache. DATA #1 : signed integer, 8 bytes 0 DATA #2 : unsigned integer, 8 bytes 2 DATA #3 : Hex integer, 8 bytes 0x0000000000000004 DATA #4 : unsigned integer, 8 bytes 2 DATA #5 : Page ID, PD_TYPE_SQLB_PAGE_ID, 4 bytes 163998 DATA #6 : Page ID, PD_TYPE_SQLB_PAGE_ID, 8 bytes 0 DATA #7 : Page ID, PD_TYPE_SQLB_PAGE_ID, 4 bytes 163999 DATA #8 : SQLD_PAGE_CACHE, PD_TYPE_SQLD_PAGE_CACHE, 96 bytes SQLD_PAGE_CACHE: Address:a000203ebb65ec0, Size:x60, Size:96 x0000 pcFlags x4 - SQLD_PGCACHE_TEMPAPPEND x0008 pcFirstObjPage 163998 x000C pcFirstPoolPage 746302 x0010 pcLocksPrefetchedPerPage 0 x0018 pcNumPages 2 x0028 pcLastPageWithSpace 0 x0030 pcPgInfoHeader a000203f19a0060 x0038 pcPgInfo a000203f19a0070 x0040 pcMaxPages 2 x0048 pcPgInfoToFree a000203f19b5ca0 x0050 pcEduIDofLastXLatch 0 x0058 pageCacheLatch a000203ebb65f80 CALLSTCK: (Static functions may not be resolved correctly, as they are resolved to the nearest symbol) [0] 0x090000000DC2C2D4 sqldSearchPageCache__FP13SQLD_DFM_WORKP15SQLD_PAGE_CACHEP16SQLD_ TABLE_CACHET3 + 0x19BC [1] 0xFFFFFFFFFFFFFFFC ?unknown + 0xFFFFFFFF [2] 0x090000000DC20A18 sqldSearchPageCache__FP13SQLD_DFM_WORKP15SQLD_PAGE_CACHEP16SQLD_ TABLE_CACHET3 + 0x32D8 [3] 0x090000000DC041D4 sqldInsertRow__FP13SQLD_DFM_WORKi + 0x1E0 [4] 0x090000000DC05900 sqldRowInsert__FP8sqeAgentUsT2UcUliPP10SQLD_VALUEP8SQLZ_RIDPPv + 0x22C [5] 0x090000000DC0D4E8 sqlrinsr__FP8sqlrr_cbUsT2iT2PP10SQLD_VALUEQ3_10sqlri_iudo11t_iud oFlags17t_iudoFlagsKernelP8SQLZ_RIDPPv + 0xBC [6] 0x090000000DC0D790 sqlriisr__FP8sqlrr_cb + 0x1CC [7] 0x090000000DDE849C sqlriSectInvoke__FP8sqlrr_cbP12sqlri_opparm + 0x94 [8] 0x090000000DA95CA8 sqljsParseRdbAccessed__FP13sqljsDrdaAsCbP13sqljDDMObjectP14db2UC interface + 0x1E98 [9] 0x090000000DA95218 sqljsParseRdbAccessed__FP13sqljsDrdaAsCbP13sqljDDMObjectP14db2UC interface + 0x1408 [10] 0x090000000DA949A0 sqljsParseRdbAccessed__FP13sqljsDrdaAsCbP13sqljDDMObjectP14db2UC interface + 0xB90 [11] 0x090000000DA9A9F4 @72@sqljsSqlam__FP14db2UCinterfaceP8sqeAgentb + 0x1168 [12] 0x090000000DA9A9F4 @72@sqljsSqlam__FP14db2UCinterfaceP8sqeAgentb + 0x1168 [13] 0x090000000DA9A5E8 @72@sqljsSqlam__FP14db2UCinterfaceP8sqeAgentb + 0xD5C [14] 0x090000000F5D9174 @72@sqljsDriveRequests__FP8sqeAgentP14db2UCconHandle + 0xA8 [15] 0x090000000F5D9C84 @72@sqljsDrdaAsInnerDriver__FP18SQLCC_INITSTRUCT_Tb + 0x5F8 [16] 0x090000000D284674 RunEDU__8sqeAgentFv + 0x4D060 [17] 0x090000000D213DA0 RunEDU__8sqeAgentFv + 0x124 [18] 0x090000000E42140C EDUDriver__9sqzEDUObjFv + 0x130 [19] 0x090000000D1F5AF8 sqloEDUEntry + 0x390 [20] 0x0900000000567E10 _pthread_body + 0xF0 [21] 0xFFFFFFFFFFFFFFFC ?unknown + 0xFFFFFFFF 2018-08-13-06.33.22.523263-240 I148120A570 LEVEL: Severe PID : 6815792 TID : 38607 PROC : db2sysc 0 INSTANCE: db2inst1 NODE : 000 DB : SAMPLE APPHDL : 0-242 APPID: X.X.X.X.0000.180812174458 AUTHID : DB2INST1 HOSTNAME: hostname EDUID : 38607 EDUNAME: db2agent (SAMPLE) 0 FUNCTION: DB2 UDB, trace services, sqlt_logerr_string (secondary logging function), probe:30 MESSAGE : SQLD_TCB: DATA #1 : String, 42 bytes Perm Table(x:x)=SCHEMA.TABLE If the errors occur whilst an insert is being performed then the insert may hang.
Local fix
Perform an offline reorg or set APPEND ON for the table which is having data inserted.
Problem summary
**************************************************************** * USERS AFFECTED: * * ALL * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * Upgrade to Db2 11.1 Mod 4 Fixpack 4 or higher * ****************************************************************
Problem conclusion
First fixed in Db2 11.1 Mod 4 Fixpack 4
Temporary fix
Comments
APAR Information
APAR number
IT26380
Reported component name
DB2 FOR LUW
Reported component ID
DB2FORLUW
Reported release
B10
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2018-09-21
Closed date
2018-11-27
Last modified date
2022-03-29
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
IT26383
Fix information
Fixed component name
DB2 FOR LUW
Fixed component ID
DB2FORLUW
Applicable component levels
RB10 PSN
UP
[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSEPGG","label":"DB2 for Linux- UNIX and Windows"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"11.1","Line of Business":{"code":"LOB10","label":"Data and AI"}}]
Document Information
Modified date:
03 May 2022