APAR status
Closed as program error.
Error description
The SECTION_LEVEL_LOB debug flag was added in Db2 v11.1 M4FP4SAP for SAP optimization and was on only under SAP workload reg var: DB2_WORKLOAD=SAP ... DB2_RUNTIME_DEBUG_FLAGS=TOLERANT_FLOAT,DISABLE_BLANK_TOLERANCE,S ECTION_LEVEL_LOB [DB2_WORKLOAD] However, it may cause UPDATE statement with FLOB/LOB greater than 512KB failed during the SAP Java EHP upgrade. Some may experience db2diag having following error message and stack dump: 2019-04-08-17.56.44.482795-240 I2186E2703 LEVEL: Severe PID : 10611 TID : 140496408143616 PROC : db2sysc 0 INSTANCE: db2sid NODE : 000 DB : SID APPHDL : 0-76 APPID: 9.123.123.88.40023.190408215555 UOWID : 1549 ACTID: 278 AUTHID : SAPSIDDB HOSTNAME: HOSTNAME EDUID : 165 EDUNAME: db2agent (SID) 0 FUNCTION: DB2 UDB, data management, sqldFixExistingTCB, probe:13569 MESSAGE : ZRC=0x82040001=-2113667071=SQLD_NONSEVERE_PRGERR "non-severe dms programming error" DIA8532C An internal processing error has occurred. DATA #1 : String, 17 bytes Expected TEMP TCB DATA #2 : String, 7 bytes sqldtcb CALLSTCK: (Static functions may not be resolved correctly, as they are resolved to the nearest symbol) [0] 0x00007FC89A194700 sqlzSetAndLog901 + 0x2C0 [1] 0x00007FC89355820D _Z18sqldFixExistingTCBP16sqeLocalDatabaseP9SQLP_LSN8iiiiPP8SQLD_ TCB + 0x6AD [2] 0x00007FC8932E0B8A _Z12sqldFetchLFDP8sqeAgentP9sqllf_lseiiPiPc + 0x10A [3] 0x00007FC899287D5B _Z8sqlriglfP8sqlrr_cbP9sqllf_lseiPiPh + 0xBB [4] 0x00007FC8994A01D5 _Z8sqlrimsoP8sqlrr_cbP9sqllf_csoPhPjjisPPvi + 0xFB5 [5] 0x00007FC893312CD9 /db2/db2hia/sqllib/lib64/libdb2e.so.1 + 0x20CDCD9 [6] 0x00007FC893310B7C /db2/db2hia/sqllib/lib64/libdb2e.so.1 + 0x20CBB7C [7] 0x00007FC893315F4C _Z25sqldFullFormatValCompressP8sqeAgentP13SQLD_TDATARECP15SQLD_T DATAREC32S2_PS4_PP10SQLD_VALUEiP8SQLD_TCBPiPhP15SQLD_XOR_UPDATE + 0x41C [8] 0x00007FC893455D18 _Z13sqldRowUpdateP8sqeAgentP8SQLD_CCBmPP10SQLD_VALUEmPPv + 0xBA8 [9] 0x00007FC899335EB0 _Z8sqlriupdP8sqlrr_cb + 0x4D0 [10] 0x00007FC89932BE1D _Z15sqlriSectInvokeP8sqlrr_cbP12sqlri_opparm + 0x4BD [11] 0x00007FC898D3CB78 _Z29sqlrr_process_execute_requestP8sqlrr_cbib + 0xF08 [12] 0x00007FC898D1C0B6 _Z17sqlrr_array_inputP14db2UCinterfacePP15db2UCdiagStructmt + 0x1776 [13] 0x00007FC896E82C38 _Z19sqljs_ddm_excsqlsttP14db2UCinterfaceP13sqljDDMObject + 0x488 [14] 0x00007FC896E4DE0B _Z21sqljsParseRdbAccessedP13sqljsDrdaAsCbP13sqljDDMObjectP14db2U Cinterface + 0x10B [15] 0x00007FC896E4EECE _Z10sqljsParseP13sqljsDrdaAsCbP14db2UCinterfaceP8sqeAgentb + 0x54E [16] 0x00007FC896E41DAD /db2/db2hia/sqllib/lib64/libdb2e.so.1 + 0x5BFCDAD [17] 0x00007FC896E48393 /db2/db2hia/sqllib/lib64/libdb2e.so.1 + 0x5C03393 [18] 0x00007FC896E4904F _Z17sqljsDrdaAsDriverP18SQLCC_INITSTRUCT_T + 0x11F [19] 0x00007FC896872653 _ZN8sqeAgent6RunEDUEv + 0xDE3 [20] 0x00007FC89A19353E _ZN9sqzEDUObj9EDUDriverEv + 0x1BE [21] 0x00007FC8986B8E6A sqloEDUEntry + 0x57A [22] 0x00007FC8A02530A4 /lib64/libpthread.so.0 + 0x80A4 [23] 0x00007FC88FC8604D clone + 0x6D ... ... 2019-04-08-17.56.44.536971-240 I14376E1182 LEVEL: Severe PID : 10611 TID : 140496408143616 PROC : db2sysc 0 INSTANCE: db2sid NODE : 000 DB : SID APPHDL : 0-76 APPID: 9.123.123.88.40023.190408215555 UOWID : 1549 ACTID: 278 AUTHID : SAPSIDDB HOSTNAME: hostname EDUID : 165 EDUNAME: db2agent (SID) 0 FUNCTION: DB2 UDB, relation data serv, sqlrr_dump_sibling, probe:140 MESSAGE : section stmt DATA #1 : Hexdump, 121 bytes 0x00007FC81BA7F1E0 : 5550 4441 5445 2022 4A32 4545 5F43 4F4E UPDATE "J2EE_CON 0x00007FC81BA7F1F0 : 4649 4745 4E54 5259 2220 5345 5420 2246 FIGENTRY" SET "F 0x00007FC81BA7F200 : 424C 4F42 2220 3D20 3F2C 2022 4454 5950 BLOB" = ?, "DTYP 0x00007FC81BA7F210 : 4522 203D 203F 2057 4845 5245 2022 4349 E" = ? WHERE "CI 0x00007FC81BA7F220 : 4422 203D 203F 2041 4E44 2022 4E41 4D45 D" = ? AND "NAME 0x00007FC81BA7F230 : 4841 5348 2220 3D20 3F20 414E 4420 224E HASH" = ? AND "N 0x00007FC81BA7F240 : 414D 4522 203D 203F 2041 4E44 2022 4953 AME" = ? AND "IS 0x00007FC81BA7F250 : 4649 4C45 2220 3D20 31 FILE" = 1 ... ... Others may also encounter FODC_Badpage (i.e. applying SAP support pack) with the following db2diag messages and stack dumps: MESSAGE : ZRC=0x870F0009=-2029060087=SQLO_EOF "the data does not exist" DIA8506C Unexpected end of file was reached. DATA #1 : <preformatted> Converting to non-critical read error. MESSAGE : ADM14001C An unexpected and critical error has occurred: "BadPage". The instance may have been shutdown as a result. "Automatic" FODC (First Occurrence Data Capture) has been invoked and diagnostic information has been recorded in directory FUNCTION: DB2 UDB, data management, sqldDelTCB, probe:590 MESSAGE : FIXCOUNTNODEL DEBUG flag is set! DATA #1 : String, 10 bytes FixCount: DATA #2 : Hexdump, 8 bytes 0x0A0002003543BAE8 : 0000 0000 0000 0002 CALLSTCK: (Static functions may not be resolved correctly, as they are resolved to the nearest symbol) [0] 0x09000000881C54DC sqldDelTCB__FP8sqeAgentP16sqeLocalDatabaseP8SQLD_TCB + 0xF3C [1] 0x090000008A142940 sqldDropTable__FP8sqeAgentP12SQLB_GLOBALSP8SQLD_TCBi + 0x11A0 [2] 0x09000000880A4F54 sqlbPFPrefetcherEntryPoint__FP16sqbPrefetcherEdu + 0x1474 [3] 0x09000000880C89D0 RunEDU__16sqbPrefetcherEduFv + 0x30 [4] 0x0900000087315BC0 EDUDriver__9sqzEDUObjFv + 0x300 [5] 0x09000000871F7200 sqloEDUEntry + 0x360 [6] 0x090000000056AE10 _pthread_body + 0xF0 [7] 0xFFFFFFFFFFFFFFFC ?unknown + 0xFFFFFFFF ... ... [0] 0x09000000884C1510 sqldFetchLFD__FP8sqeAgentP9sqllf_lseiT3PiPc + 0x870 [1] 0x0900000089EA81FC sqlriglf__FP8sqlrr_cbP9sqllf_lseiPiPUc + 0x35C [2] 0x0900000089E8EA7C sqlrimso__FP8sqlrr_cbP9sqllf_csoPUcPUiUiisPPvT6 + 0x2D7C [3] 0x090000008A498E6C sqldmadx__FP8sqeAgentP8SQLD_TCBUcUsP9sqllf_csoiT6P8SQLD_LFDPUl + 0x88C [4] 0x090000008A4B049C IPRA.$sqldFormatLobLongCol__FP8sqeAgentP10sqlz_valueT2P8SQLD_TCB iPiT2 + 0x89C [5] 0x090000008A4A2B2C IPRA.$sqldFormatNonDMSCols__FP8sqeAgentP13SQLD_TDATARECT2PP10SQL D_VALUEP8SQLD_TCBPsPiT7P8SQLD_CCBP17SQLU_FORMATTER_CBP8SQLD_VAL + 0x138C [6] 0x090000008A4A76F0 sqldFullFormatValCompress__FP8sqeAgentP13SQLD_TDATARECP15SQLD_TD ATAREC32T2PP15SQLD_TDATAREC32PP10SQLD_VALUEiP8SQLD_TCBPiPUcP15S + 0x430 [7] 0x090000008A6988E0 sqldRowUpdate__FP8sqeAgentP8SQLD_CCBUlPP10SQLD_VALUET3PPv + 0xA60 [8] 0x090000008DB499EC sqlriupd__FP8sqlrr_cb + 0x8CC [9] 0x090000008A2928B8 sqlriSectInvoke__FP8sqlrr_cbP12sqlri_opparm + 0x618 ... ...
Local fix
With db2set registry variable DB2_WORKLOAD set to SAP, the SECTION_LEVEL_LOB is set: [i] DB2_WORKLOAD=SAP ... [i] DB2_RUNTIME_DEBUG_FLAGS=TOLERANT_FLOAT,DISABLE_BLANK_TOLERANCE,S ECTION_LEVEL_LOB [DB2_WORKLOAD] Unset the flag using the db2set: db2set DB2_RUNTIME_DEBUG_FLAGS="TOLERANT_FLOAT,DISABLE_BLANK_TOLERANCE" After setting DB2_RUNTIME_DEBUG_FLAGS: [i] DB2_RUNTIME_DEBUG_FLAGS=TOLERANT_FLOAT,DISABLE_BLANK_TOLERANCE[O ]
Problem summary
**************************************************************** * USERS AFFECTED: * * ALL * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * Upgrade to Db2 11.1 Mod 4 Fixpack 5 or higher * ****************************************************************
Problem conclusion
First fixed in Db2 11.1 Mod 4 Fixpack 5
Temporary fix
See LOCAL FIX
Comments
APAR Information
APAR number
IT28843
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
2019-04-18
Closed date
2020-01-16
Last modified date
2020-01-16
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
DB2 FOR LUW
Fixed component ID
DB2FORLUW
Applicable component levels
RB10 PSN
UP
[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSEPGG","label":"Db2 for Linux, UNIX and Windows"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"11.1","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]
Document Information
Modified date:
16 January 2020