APAR status
Closed as program error.
Error description
When running SQL we can get caught in an endless loop in bsortInitCntSrtStackInfo if APPLHEAPSZ = 2147483647. The EDU stack can look like the following: Stack: ====================== 0x090000004090BE00 bsortInitCntSrtStackInfo__FP8sqeAgentP23SQLS_BSORT_CNTSRT_STACK + 0xA0 0x09000000408FEC3C sqlsBinSort__FP8sqeAgentP10SQLS_SLDESP10SQLS_SORTS + 0xC7C 0x09000000409019F0 sqlsBinSortIncremental__FP8sqeAgentP10SQLS_SLDESP10SQLS_SORTSi + 0x410 0x09000000408D9AC8 sqlsopen__FP8sqeAgentiT2P10SQLD_DPREDT2PP8SQLD_CCBPcPUcP12sqlri_ vectorPP10SQLD_VALUE + 0x3748 0x090000004078D818 IPRA.$sqldInsertTQ__FP8sqeAgentPcPP10SQLD_VALUET3P15SQLI_SUBAGNT _CB + 0x118 0x090000004078BFDC sqldParScanSort__FP8sqeAgent + 0x9DC 0x0900000040C3E7FC IPRA.$sqleSubRequestRouter__FP8sqeAgentPUiPUl + 0x159C 0x0900000040C37AB8 sqleProcessSubRequest__FP8sqeAgent + 0x2C38 0x090000003C12C8AC RunEDU__8sqeAgentFv + 0x9EC 0x090000003C106C40 EDUDriver__9sqzEDUObjFv + 0x300 0x090000003BFE8280 sqloEDUEntry + 0x360
Local fix
Look to reduce the APPLHEAPSZ value below the maximum value(2147483647) eg. db2 update db cfg for SAMPLE using APPLHEAPSZ 10000 AUTOMATIC This should be done before you hit this issue.
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
Comments
APAR Information
APAR number
IT29629
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
2019-07-05
Closed date
2020-01-20
Last modified date
2020-01-20
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:
20 January 2020