DB2 - Problem description
Problem IT07722 | Status: Closed |
HADR Standby may crash due to memory corruption with top function sqloCrashOnCriticalMemoryValidationFailure | |
product: | |
DB2 FOR LUW / DB2FORLUW / A50 - DB2 | |
Problem description: | |
HADR STANDBY MAY CRASH SUDDENLY with below symptoms : Error seen in trap: Signal #11 (SIGSEGV): si_addr is 0x0000000000000000, si_code is 0x00000033 (SEGV_ACCERR:Invalid permissions for mapped object.) Stacks: -------Frame------ ------Function + Offset------ 0x090000000DF89F0C sqloCrashOnCriticalMemoryValidationFailure + 0x38 0x090000000DFA7C08 diagnoseMemoryCorruptionAndCrash__13SQLO_MEM_POOLFUlCPCcCb + 0x400 0x090000000CE95300 MemTreePut__13SQLO_MEM_POOLFP8SMemNodeUlP17SqloChunkSubgroup + 0x90 0x090000000CE9419C sqlofmblkEx + 0x270 0x090000000AEA565C sqlplfrDeleteFromFileTbl__FP12SQLPLFR_DBCBPUiUiUlT4CbT6 + 0x510 0x090000000AEC546C sqlplfrPerformOpenFileTblReclaim__FP12SQLPLFR_DBCBP21SQLPLFR_REQ _SCAN_NEXT + 0x330 0x090000000A9C2744 sqlplfrFMCloseLog__FP12SQLPLFR_DBCBUiUlbP21SQLPLFR_REQ_SCAN_NEXT Cb + 0x3F8 0x090000000AEC7D88 sqlplfrFMReadLog__FP12SQLPLFR_DBCBP21SQLPLFR_REQ_SCAN_NEXTP17SQL PLFR_SCAN_DATA + 0xB64 0x090000000BDFAF50 RunEDU__9sqpLfrEduFv + 0x14A4 Diaglog: 2015-02-06-17.36.05.382058-300 I2989961A597 LEVEL: Warning PID : 15335598 TID : 24420 PROC : db2sysc 0 INSTANCE: inst01 NODE : 000 DB : SAMPLE HOSTNAME: hostid EDUID : 24420 EDUNAME: db2hadrs.0.0 (SAMPLE) 0 FUNCTION: DB2 UDB, High Availability Disaster Recovery, hdrEdu::hdrEduS, probe:20755 MESSAGE : ZRC=0x87800148=-2021654200=HDR_ZRC_BAD_LOG "HADR standby found bad log" DATA #1 : String, 99 bytes HADR standby error handling: will close connection to primary, then reconnect, and perform a retry. 2015-02-06-17.36.05.386236-300 E2992580A905 LEVEL: Critical PID : 15335598 TID : 19537 PROC : db2sysc 0 INSTANCE: inst01 NODE : 000 DB : SAMPLE HOSTNAME: hostid EDUID : 19537 EDUNAME: db2lfr.0 (SAMPLE) 0 FUNCTION: DB2 UDB, SQO Memory Management, sqloDiagnoseFreeBlockFailure, probe:10 MESSAGE : ADM14001C An unexpected and critical error has occurred: "Panic". The instance may have been shutdown as a result. "Automatic" FODC (First Occurrence Data Capture) has been invoked and diagnostic information has been recorded in directory "/db2area/inst01/db2dump/FODC_Panic_2015-02-06-17.36.05.385563_0 000 /". Please look in this directory for detailed evidence about what happened and contact IBM support if necessary to diagnose the problem. 2015-02-06-17.36.05.393213-300 E2993486A1643 LEVEL: Severe PID : 15335598 TID : 19537 PROC : db2sysc 0 INSTANCE: inst01 NODE : 000 DB : SAMPLE HOSTNAME: hostid EDUID : 19537 EDUNAME: db2lfr.0 (SAMPLE) 0 FUNCTION: DB2 UDB, SQO Memory Management, sqloDiagnoseFreeBlockFailure, probe:999 MESSAGE : Memory validation failure, diagnostic file dumped. DATA #1 : String, 28 bytes Corrupt pool free tree node. DATA #2 : File name, 34 bytes 15335598.19537.mem_diagnostics.txt CALLSTCK: (Static functions may not be resolved correctly, as they are resolved to the nearest symbol) [0] 0x090000000DFA7C00 diagnoseMemoryCorruptionAndCrash__13SQLO_MEM_POOLFUlCPCcCb + 0x3F8 [1] 0x090000000CE95300 MemTreePut__13SQLO_MEM_POOLFP8SMemNodeUlP17SqloChunkSubgroup + 0x90 [2] 0x090000000CE9419C sqlofmblkEx + 0x270 [3] 0x090000000AEA565C sqlplfrDeleteFromFileTbl__FP12SQLPLFR_DBCBPUiUiUlT4CbT6 + 0x510 [4] 0x090000000AEC546C sqlplfrPerformOpenFileTblReclaim__FP12SQLPLFR_DBCBP21SQLPLFR_REQ _SCAN_NEXT + 0x330 [5] 0x090000000A9C2744 sqlplfrFMCloseLog__FP12SQLPLFR_DBCBUiUlbP21SQLPLFR_REQ_SCAN_NEXT Cb + 0x3F8 [6] 0x090000000AEC7D88 sqlplfrFMReadLog__FP12SQLPLFR_DBCBP21SQLPLFR_REQ_SCAN_NEXTP17SQL PLFR_SCAN_DATA + 0xB64 [7] 0x090000000BDFAF50 RunEDU__9sqpLfrEduFv + 0x14A4 [8] 0x090000000BDC2AAC RunEDU__9sqpLfrEduFv + 0x7E4 [9] 0x0000000000000000 ?unknown + 0x0 [10] 0x090000000CF4C520 EDUDriver__9sqzEDUObjFv + 0x3C0 [11] 0x090000000BEFB440 sqloEDUEntry + 0x38C [12] 0x090000000080CD30 _pthread_body + 0xF0 [13] 0xFFFFFFFFFFFFFFFC ?unknown + 0xFFFFFFFF Errpt has below stack information: ADDITIONAL INFORMATION sqloCrash 38 sqloCrash 10 diagnoseM 404 MemTreePu 94 sqlofmblk 274 sqlplfrDe 514 sqlplfrPe 334 sqlplfrFM 3FC sqlplfrFM B68 RunEDU__9 14A8 RunEDU__9 7E8 ?? EDUDriver 3C4 sqloEDUEn 390 _pthread_ F4 ?? | |
Problem Summary: | |
**************************************************************** * USERS AFFECTED: * * ALL * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * See SYSROUTE APARs to see where this APAR is addressed * **************************************************************** | |
Local Fix: | |
available fix packs: | |
DB2 Version 11.1 Mod1 Fix Pack1 iFix001 for Linux, UNIX, and Windows | |
Solution | |
Workaround | |
not known / see Local fix | |
Timestamps | |
Date - problem reported : Date - problem closed : Date - last modified : | 16.03.2015 09.05.2017 09.05.2017 |
Problem solved at the following versions (IBM BugInfos) | |
Problem solved according to the fixlist(s) of the following version(s) | |
11.1.1.1 |