DB2 - Problem description
Problem IC77730 | Status: Closed |
TIMING ISSUE COULD LEAD TO A TRAP WHEN CANCELLING A LOAD OPERATION | |
product: | |
DB2 FOR LUW / DB2FORLUW / 970 - DB2 | |
Problem description: | |
During the process of canceling a load operation, a rare timing issue can lead to a de-reference of a NULL pointer resulting in a trap. The stack would look similar to below: <StackTrace> ossDumpStackTrace OSSTrapFile4dumpEmi sqlo_trce sqloEDUCodeTrapHandler sqlrr_qp_process_cancel_list sqljsSqlam sqljsDrdaAsInnerDriver sqljsDrdaAsDriver sqeAgent sqlzRunEDU sqloEDUEntry __pthread_bound_body </StackTrace> Another stack for this defect could be: sqlra_open_pkg__FP8sqlrr_cbPUcsT2T3T2 + 0x98 sqlra_load_pkg__FP8sqlrr_cbPUcsT2T3T2b + 0xA48 sqlra_get_section__FP8sqlrr_cbPUcsT2T3T2UsUlP16db2UCprepareInfoP 15db2UCCursorInfo + 0x1C sqlrr_qp_process_cancel_list__FP8sqlrr_cbP5sqlca + 0xD0 @64@sqljsSqlam__FP14db2UCinterfaceP8sqeAgentb + 0x484 @64@sqljsDriveRequests__FP8sqeAgentP14db2UCconHandle + 0xA0 @64@sqljsDrdaAsInnerDriver__FP18SQLCC_INITSTRUCT_Tb + 0x310 sqljsDrdaAsDriver__FP18SQLCC_INITSTRUCT_T + 0xEC RunEDU__8sqeAgentFv + 0xB4 EDUDriver__9sqzEDUObjFv + 0xDC sqlzRunEDU__FPcUi + 0x24 sqloEDUEntry + 0x264 | |
Problem Summary: | |
**************************************************************** * USERS AFFECTED: * * All * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * Upgrade to DB2 V97FP5 * **************************************************************** | |
Local Fix: | |
available fix packs: | |
DB2 Version 9.7 Fix Pack 5 for Linux, UNIX, and Windows | |
Solution | |
The fix is first available in DB2 V97FP5 and subsequent fixpacks | |
Workaround | |
not known / see Local fix | |
Timestamps | |
Date - problem reported : Date - problem closed : Date - last modified : | 26.07.2011 08.12.2011 07.08.2013 |
Problem solved at the following versions (IBM BugInfos) | |
9.7.FP5 | |
Problem solved according to the fixlist(s) of the following version(s) | |
9.7.0.5 | |
9.7.0.6 |