DB2 - Problembeschreibung
Problem IT00400 | Status: Geschlossen |
CRASH WITH "DOUBLE FREE" MESSAGE AFTER SEVERAL RESTART OF VENDOR LIBRARY. | |
Produkt: | |
DB2 FOR LUW / DB2FORLUW / A10 - DB2 | |
Problembeschreibung: | |
DB2 instance may crash with a message indicating that we are attempting to free memory that was already freed. This situation can occur after several attempts are made to restart the vendor library. The following symptoms can be found in db2diag.log: 1) more than one attempt to restart vendor library similar to 2014-03-14-05.08.06.035578-240 I691010A392 LEVEL: Warning PID : 10158162 TID : 12610 PROC : db2sysc 0 INSTANCE: db2inst1 NODE : 000 EDUID : 12610 EDUNAME: db2logmgr (SAMPLE) 0 FUNCTION: DB2 UDB, data protection services, sqlpgRetrieveLogFile, probe:3800 MESSAGE : Retrying log retrieve. Restarting vendor and then calling retrieve. 2) one last error from vendor library followed by detection of memory corruption and "double free" message: 2014-03-14-05.08.06.240791-240 I701583A438 LEVEL: Error PID : 10158162 TID : 12610 PROC : db2sysc 0 INSTANCE: db2inst1 NODE : 000 EDUID : 12610 EDUNAME: db2logmgr (SAMPLE) 0 FUNCTION: DB2 UDB, data protection services, sqlpgRetrieveLogVendor, probe:3600 RETCODE : ZRC=0x86100024=-2045771740=SQLP_SHRLIB_VENDOR_DEV_ERR "A vendor device reported a shared library error." 2014-03-14-05.08.06.240947-240 I702022A1616 LEVEL: Severe PID : 10158162 TID : 12610 PROC : db2sysc 0 INSTANCE: db2inst1 NODE : 000 EDUID : 12610 EDUNAME: db2logmgr (SAMPLE) 0 FUNCTION: DB2 UDB, SQO Memory Management, sqloDiagnoseFreeBlockFailure, probe:10 MESSAGE : Possible memory corruption detected. DATA #1 : ZRC, PD_TYPE_ZRC, 4 bytes 0x820F0002 DATA #2 : Corrupt block address, PD_TYPE_CORRUPT_BLK_PTR, 8 bytes 0x0700000082e0ffc0 DATA #3 : Block header, PD_TYPE_BLK_HEADER, 24 bytes 0x0700000082E0FFA8 : FAB0 7000 0008 2E00 0000 0000 0000 0000 ..p............. 0x0700000082E0FFB8 : 0000 0000 0000 0000 ........ DATA #4 : Data header, PD_TYPE_BLK_DATA_HEAD, 48 bytes 0x0700000082E0FFC0 : 0000 0000 0000 0040 0000 0000 0000 0000 .......@........ 0x0700000082E0FFD0 : 0000 0000 0000 0000 0000 0000 0000 0000 ................ 0x0700000082E0FFE0 : 0000 0000 0000 0000 0000 0000 0000 0000 ................ CALLSTCK: [0] 0x09000000053E8F90 pdLog + 0x80 [1] 0x0900000005A8CBA4 @78@sqloDiagnoseFreeBlockFailure__FP8SMemFBlkCb + 0xF4 [2] 0x0900000005A8C9E0 sqloDiagnoseFreeBlockFailure__FP8SMemFBlkCb@glue6D5 + 0x78 [3] 0x090000000573B7C4 sqlofmblkEx + 0x80 [4] 0x09000000054F6044 sqlpTermVendorAPI__FPP15SQLPG_VENDOR_CB + 0x78 [5] 0x090000000799F87C sqlpgRetrieveLogFile__FP9SQLP_DBCB + 0x130C [6] 0x0900000007999E24 sqlpgHandleLogMgrPost__FP9SQLP_DBCBUi + 0xE54 [7] 0x090000000799804C sqlpgLogManager__FPcUi + 0xCA8 [8] 0x09000000056E2A4C sqloEDUEntry + 0x49C [9] 0x09000000004FDD30 _pthread_body + 0xF0 2014-03-14-05.08.06.241223-240 I703639A355 LEVEL: Severe PID : 10158162 TID : 12610 PROC : db2sysc 0 INSTANCE: db2inst1 NODE : 000 EDUID : 12610 EDUNAME: db2logmgr (SAMPLE) 0 FUNCTION: DB2 UDB, SQO Memory Management, sqloDiagnoseFreeBlockFailure, probe:30 DATA #1 : String, 12 bytes Double free. | |
Problem-Zusammenfassung: | |
**************************************************************** * USERS AFFECTED: * * all using backup to vendor library * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * Upgrade to version 10.1 Fix Pack 6 * **************************************************************** | |
Local-Fix: | |
Lösung | |
first fixed in version 10.1 Fix Pack 6 | |
Workaround | |
keiner bekannt / siehe Local-Fix | |
Weitere Daten | |
Datum - Problem gemeldet : Datum - Problem geschlossen : Datum - der letzten Änderung: | 19.03.2014 04.02.2016 04.02.2016 |
Problem behoben ab folgender Versionen (IBM BugInfos) | |
Problem behoben lt. FixList in der Version | |
10.1.0.5 |