|
Problem IT29629
|
Status: Closed |
APPLICATION CAN GET CAUGHT IN ENDLESS LOOP IN BSORTINITCNTSRTSTACKINFO IF APPLHEAPSZ = 2147483647
|
| product: |
DB2 FOR LUW / DB2FORLUW / B10 - DB2 |
| Problem 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 |
| Problem Summary: |
****************************************************************
* USERS AFFECTED: *
* ALL *
****************************************************************
* PROBLEM DESCRIPTION: *
* See Error Description *
****************************************************************
* RECOMMENDATION: *
* Upgrade to Db2 11.1 Mod 4 Fixpack 5 or higher *
**************************************************************** |
| 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. |
| Solution |
|
| Workaround |
not known / see Local fix |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 05.07.2019
20.01.2020
20.01.2020 |
| Problem solved at the following versions (IBM BugInfos) |
|
| Problem solved according to the fixlist(s) of the following version(s) |
