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DB2 - Problem description

Problem IT04843 Status: Closed

QUERY AGAINST CDE TABLE(S) COULD HANG ON DB2 V10.5 FP4

product:
DB2 FOR LUW / DB2FORLUW / A50 - DB2
Problem description:
This is a rare hard to hit condition that can only occur on DB2 
v10.5 FP4. 
It is identified by 3 stacks that must happen: 
 
Stack: 
 ====================== 
 
 0x090000000010F994 thread_wait + 0x94 
  0x090000000115CAC4 sqloWaitEDUWaitPost + 0x504 
  0x0900000012F95804 
wait__Q3_7ibm_cde8services13EventWaitPostFCiPUi + 0x734 
  0x09000000142418A8 
waitForSubagentAndCheckForError__Q3_7ibm_cde5query9SchedulerFv + 
0x88 
  0x090000001423BEF8 
runSingleTableQuery__Q3_7ibm_cde5query9SchedulerFv + 0x678 
  0x090000001423B4C8 runQuery__Q3_7ibm_cde5query9SchedulerFv + 
0x1D8 
  0x090000001423DD9C 
runSchedThreadTask__Q3_7ibm_cde5query9SchedulerFPvPi + 0x10C 
  0x0900000014253640 
cdeEntryPointImpl__Q2_7ibm_cde5queryFP8sqeAgentPvT2 + 0xA0 
  0x09000000138EA394 startCdeSubagent__12cdeInterfaceFP8sqeAgent 
+ 0xB4 
  0x090000000514AD48 sqlriInvokeCde__FP8sqlrr_cb + 0x48 
  0x090000000365ED28 sqlriSectInvoke__FP8sqlrr_cbP12sqlri_opparm 
+ 0x628 
  0x09000000070CD47C sqlrr_smp_router__FP8sqlrr_cb + 0x47C 
  0x09000000070C9DE4 
sqlrr_subagent_router__FP8sqeAgentP12SQLE_DB2RA_T + 0xF64 
  0x0900000001F732B4 sqleSubRequestRouter__FP8sqeAgentPUiPUl + 
0x834 
  0x0900000001F6C224 sqleProcessSubRequest__FP8sqeAgent + 0x2944 
  0x09000000011754C0 RunEDU__8sqeAgentFv + 0x9A0 
  0x0900000001159218 EDUDriver__9sqzEDUObjFv + 0x2D8 
  0x09000000010AB604 sqloEDUEntry + 0x324 
 
Stack: 
 ====================== 
 
 0x090000000010F994 thread_wait + 0x94 
  0x090000000115CAC4 sqloWaitEDUWaitPost + 0x504 
  0x0900000012F95804 
wait__Q3_7ibm_cde8services13EventWaitPostFCiPUi + 0x734 
  0x090000001424232C 
waitForBoundary__Q3_7ibm_cde5query9SchedulerFRQ2_3std6_PtritXTUi 
TlTPCUiTRCUiTPUiTRUi_PQ3_7ibm_cde5query17EvaluationRoutine + 
0x51C 
  0x09000000142410C0 
runThreadTask__Q3_7ibm_cde5query9SchedulerFPvPi + 0xCD0 
  0x0900000014253640 
cdeEntryPointImpl__Q2_7ibm_cde5queryFP8sqeAgentPvT2 + 0xA0 
  0x09000000138EA394 startCdeSubagent__12cdeInterfaceFP8sqeAgent 
+ 0xB4 
  0x090000000514AD48 sqlriInvokeCde__FP8sqlrr_cb + 0x48 
  0x090000000365ED28 sqlriSectInvoke__FP8sqlrr_cbP12sqlri_opparm 
+ 0x628 
  0x09000000070CD47C sqlrr_smp_router__FP8sqlrr_cb + 0x47C 
  0x09000000070C9DE4 
sqlrr_subagent_router__FP8sqeAgentP12SQLE_DB2RA_T + 0xF64 
  0x0900000001F732B4 sqleSubRequestRouter__FP8sqeAgentPUiPUl + 
0x834 
  0x0900000001F6C224 sqleProcessSubRequest__FP8sqeAgent + 0x2944 
  0x09000000011754C0 RunEDU__8sqeAgentFv + 0x9A0 
  0x0900000001159218 EDUDriver__9sqzEDUObjFv + 0x2D8 
  0x09000000010AB604 sqloEDUEntry + 0x324 
 
Stack: 
 ====================== 
 
 0x090000000010F994 thread_wait + 0x94 
  0x090000000115CAC4 sqloWaitEDUWaitPost + 0x504 
  0x0900000012F95804 
wait__Q3_7ibm_cde8services13EventWaitPostFCiPUi + 0x734 
  0x0900000014240904 
runThreadTask__Q3_7ibm_cde5query9SchedulerFPvPi + 0x514 
  0x0900000014253640 
cdeEntryPointImpl__Q2_7ibm_cde5queryFP8sqeAgentPvT2 + 0xA0 
  0x09000000138EA394 startCdeSubagent__12cdeInterfaceFP8sqeAgent 
+ 0xB4 
  0x090000000514AD48 sqlriInvokeCde__FP8sqlrr_cb + 0x48 
  0x090000000365ED28 sqlriSectInvoke__FP8sqlrr_cbP12sqlri_opparm 
+ 0x628 
  0x09000000070CD47C sqlrr_smp_router__FP8sqlrr_cb + 0x47C 
  0x09000000070C9DE4 
sqlrr_subagent_router__FP8sqeAgentP12SQLE_DB2RA_T + 0xF64 
  0x0900000001F732B4 sqleSubRequestRouter__FP8sqeAgentPUiPUl + 
0x834 
  0x0900000001F6C224 sqleProcessSubRequest__FP8sqeAgent + 0x2944 
  0x09000000011754C0 RunEDU__8sqeAgentFv + 0x9A0 
  0x0900000001159218 EDUDriver__9sqzEDUObjFv + 0x2D8 
  0x09000000010AB604 sqloEDUEntry + 0x324
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* CDE tables only                                              * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Install this fix                                             * 
****************************************************************
Local Fix:
N/A
Solution
Install this fix
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
09.10.2014
15.12.2014
15.12.2014
Problem solved at the following versions (IBM BugInfos)
Problem solved according to the fixlist(s) of the following version(s)
10.5.0.5 FixList