DB2 - Problem description
Problem IT33321 | Status: Closed |
DB2 MAY TRAP ON MEMORY VALIDATION FAILURE DUE TO CORRUPT BLOCK HEADER IN SQLRA_SQLW_MEM_FREE_SIBLING_LIST | |
product: | |
DB2 FOR LUW / DB2FORLUW / B10 - DB2 | |
Problem description: | |
Db2 may trap on memory validation failure. Symptom in the db2diag.log file will report a "Memory validation failure" at "sqloDiagnoseFreeBlockFailure" with a stack pointing to sqlra_sqlW_mem_free_sibling_list: ... FUNCTION: DB2 UDB, SQO Memory Management, sqloDiagnoseFreeBlockFailure, probe:999 MESSAGE : Memory validation failure, diagnostic file dumped. DATA #1 : String, 21 bytes Corrupt block header. DATA #2 : File name, 39 bytes 21730.4376861075728.mem_diagnostics.txt CALLSTCK: (Static functions may not be resolved correctly, as they are resolved to the nearest symbol) [0] 0x000003FF8DFF37D2 _ZN13SQLO_MEM_POOL32diagnoseMemoryCorruptionAndCrashEmPKcb + 0x40A [1] 0x000003FF8DFCEA28 /db2/home/db2inst1/sqllib/lib64/libdb2e.so.1 + 0xB9CEA28 [2] 0x000003FF8DFC7042 sqlofmblkEx + 0xA72 [3] 0x000003FF8F1A940E _Z8sqlristmP8sqlrr_cbP9sqlri_shdi + 0x4FA [4] 0x000003FF8EC99754 _Z32sqlra_sqlW_mem_free_sibling_listP8sqlrr_cbP23sqlra_workspace _siblingPm + 0x328C [5] 0x000003FF8EC937BA _Z24sqlra_sqlW_mem_freespaceP8sqlrr_cbmPmi + 0xD26 [6] 0x000003FF8EC8DCBE _Z28sqlra_sqlW_check_for_cleanupP8sqlrr_cbmP7OSSTick + 0x7CA [7] 0x000003FF8EC89A66 _Z33sqlra_sqlW_get_static_section_newP8sqlrr_cbP20sqlra_cached_s ection + 0x10EE [8] 0x000003FF8EB7E346 _Z17sqlra_get_sectionP8sqlrr_cbPhsS1_sS1_tmP16db2UCprepareInfoP1 5db2UCCursorInfoij + 0x24C6 [9] 0x000003FF8E812DF6 _Z21sqlrr_sql_request_preP14db2UCinterfacejiP16db2UCprepareInfoP 15db2UCCursorInfo + 0x9B6 [10] 0x000003FF8E87D7A0 _Z10sqlrr_openP14db2UCinterfaceP15db2UCCursorInfo + 0x2B0 [11] 0x000003FF84DF03A6 _Z7csmOpenP14db2UCinterfaceP15db2UCCursorInfo + 0xBA [12] 0x000003FF85781760 _ZN10pvmPackage10openCursorEj + 0x2C8 [13] 0x000003FF8577C00A _ZN10pvmPackage14executeSectionEP5sqlcajb + 0xE1E [14] 0x000003FF8577A4BA _ZN3PVM12executeQueryEjb + 0x13A [15] 0x000003FF85769704 _ZN3PVM3runEv + 0x624 [16] 0x000003FF85799CE6 pvm_entry + 0x40A [17] 0x000003FF8DF1EFC2 sqloInvokeFnArgs + 0x2D1E [18] 0x000003FF8F12B8A6 /db2/home/db2inst1/sqllib/lib64/libdb2e.so.1 + 0xCB2B8A6 [19] 0x000003FF8F128FE4 _Z18sqlriInvokeInvokerP10sqlri_ufobb + 0x2FC [20] 0x000003FF8F1273C4 _Z9sqlricallP8sqlrr_cb + 0x4DC [21] 0x000003FF8EF809DC _Z15sqlriSectInvokeP8sqlrr_cbP12sqlri_opparm + 0x6CC [22] 0x000003FF8E8C2570 _Z29sqlrr_process_execute_requestP8sqlrr_cbib + 0x1D74 [23] 0x000003FF8E8827E0 _Z13sqlrr_executeP14db2UCinterfaceP9UCstpInfo + 0x878 [24] 0x000003FF8C0E055E _Z19sqljs_ddm_excsqlsttP14db2UCinterfaceP13sqljDDMObject + 0x3DE [25] 0x000003FF8C0A025E _Z21sqljsParseRdbAccessedP13sqljsDrdaAsCbP13sqljDDMObjectP14db2U Cinterface + 0x1E2 [26] 0x000003FF8C0A1C78 _Z10sqljsParseP13sqljsDrdaAsCbP14db2UCinterfaceP8sqeAgentb + 0xF5C [27] 0x000003FF8C08612A /db2/home/db2inst1/sqllib/lib64/libdb2e.so.1 + 0x9A8612A [28] 0x000003FF8C085254 /db2/home/db2inst1/sqllib/lib64/libdb2e.so.1 + 0x9A85254 [29] 0x000003FF8C084DAE /db2/home/db2inst1/sqllib/lib64/libdb2e.so.1 + 0x9A84DAE [30] 0x000003FF8C083AA0 _Z17sqljsDrdaAsDriverP18SQLCC_INITSTRUCT_T + 0x1C8 [31] 0x000003FF8BAAA5A8 _ZN8sqeAgent6RunEDUEv + 0x434 [32] 0x000003FF903C691E _ZN9sqzEDUObj9EDUDriverEv + 0x49E [33] 0x000003FF8E0281E8 sqloEDUEntry + 0x724 [34] 0x000003FF95F88B5E /lib64/libpthread.so.0 + 0x8B5E [35] 0x000003FF819F9F2A /lib64/libc.so.6 + 0xF9F2A | |
Problem Summary: | |
**************************************************************** * USERS AFFECTED: * * all * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * upgrade to version 11.1 mod 4 fix pack 6 * **************************************************************** | |
Local Fix: | |
Solution | |
Workaround | |
not known / see Local fix | |
Timestamps | |
Date - problem reported : Date - problem closed : Date - last modified : | 25.06.2020 15.03.2021 15.03.2021 |
Problem solved at the following versions (IBM BugInfos) | |
Problem solved according to the fixlist(s) of the following version(s) |