DB2 - Problem description
Problem IC81238 | Status: Closed |
DB2LOOK COMMAND MIGHT LEAD TO A CRASH. | |
product: | |
DB2 FOR LUW / DB2FORLUW / 950 - DB2 | |
Problem description: | |
DB2 instance might crash if you issue db2look command on catalog node. In db2diag.log you would see error messages similar to the following: ==================================== 2012-01-01-01.01.01.123456+480 I12345678901234 LEVEL: Severe PID : 1234567 TID : 12345 PROC : db2sysc 0 INSTANCE: db2inst1 NODE : 000 DB : SAMPLE APPHDL : 0-12345 APPID: 10.251.4.70.37060.120131150501 AUTHID : DB2INST1 EDUID : 12345 EDUNAME: db2agent (SAMPLE) 0 FUNCTION: DB2 UDB, SQO Memory Management, sqlofmblkEx, probe:40 MESSAGE : Attempted to free NULL pointer. CALLSTCK: [0] 0x0900000003B9354C pdLog + 0x88 [1] 0x0900000003B93DD8 pdLog@glue33D + 0xA8 [2] 0x0900000003A0D31C sqlofmblkEx + 0x3C [3] 0x09000000048F2908 sqlrr_recreate_ddl__FP14db2UCinterface + 0x408 [4] 0x09000000037944A8 sqlesrvr__FP14db2UCinterface + 0x400 [5] 0x0900000003C4911C sqleMappingFnServer__FP5sqldaP5sqlca + 0x434 [6] 0x0900000003C48AF8 sqlerKnownProcedure__FiPcPiP5sqldaT4P13sqlerFmpTableP8sqeAgentP5 sqlca + 0x228 [7] 0x0900000003C8BFD8 sqlerCallDL__FP14db2UCinterfaceP9UCstpInfo + 0x454 [8] 0x0900000003C8C984 sqljs_ddm_excsqlstt__FP14db2UCinterfaceP13sqljDDMObject + 0x98 [9] 0x0900000003B4E0AC sqljsParseRdbAccessed__FP13sqljsDrdaAsCbP13sqljDDMObjectP14db2UC interface + 0x78 ==================================== In trap file you would see the same call stack as you see in db2diag.log, i.e.: ==================================== sqlofmblkEx sqlrr_recreate_ddl ...... ==================================== | |
Problem Summary: | |
**************************************************************** * USERS AFFECTED: * * All users of version 9.5 on Linux, Unix and Windows * * platforms. * **************************************************************** * PROBLEM DESCRIPTION: * * DB2 instance might crash if you issue db2look command on * * catalog node. * * * * In db2diag.log you would see error messages similar to the * * following: * * ==================================== * * 2012-01-01-01.01.01.123456+480 I12345678901234 LEVEL: * * Severe * * PID : 1234567 TID : 12345 PROC : * * db2sysc 0 * * INSTANCE: db2inst1 NODE : 000 DB : * * SAMPLE * * APPHDL : 0-12345 APPID: * * 10.251.4.70.37060.120131150501 * * AUTHID : DB2INST1 * * EDUID : 12345 EDUNAME: db2agent (SAMPLE) 0 * * FUNCTION: DB2 UDB, SQO Memory Management, sqlofmblkEx, * * probe:40 * * MESSAGE : Attempted to free NULL pointer. * * CALLSTCK: * * [0] 0x0900000003B9354C pdLog + 0x88 * * [1] 0x0900000003B93DD8 pdLog@glue33D + 0xA8 * * [2] 0x0900000003A0D31C sqlofmblkEx + 0x3C * * [3] 0x09000000048F2908 * * sqlrr_recreate_ddl__FP14db2UCinterface + 0x408 * * [4] 0x09000000037944A8 sqlesrvr__FP14db2UCinterface + * * 0x400 * * [5] 0x0900000003C4911C * * sqleMappingFnServer__FP5sqldaP5sqlca + 0x434 * * [6] 0x0900000003C48AF8 * * sqlerKnownProcedure__FiPcPiP5sqldaT4P13sqlerFmpTableP8sqeAge * * ntP5sqlca + 0x228 * * [7] 0x0900000003C8BFD8 * * sqlerCallDL__FP14db2UCinterfaceP9UCstpInfo + 0x454 * * [8] 0x0900000003C8C984 * * sqljs_ddm_excsqlstt__FP14db2UCinterfaceP13sqljDDMObject + * * 0x98 * * [9] 0x0900000003B4E0AC * * sqljsParseRdbAccessed__FP13sqljsDrdaAsCbP13sqljDDMObjectP14d * * b2UCinterface + 0x78 * * ==================================== * * * * In trap file you would see the same call stack as you see in * * db2diag.log, i.e.: * * ==================================== * * sqlofmblkEx * * sqlrr_recreate_ddl * * ...... * * ==================================== * **************************************************************** * RECOMMENDATION: * * Upgrade to DB2 LUW Version 9.5 Fix Pack 10 or higher levels. * **************************************************************** | |
Local Fix: | |
For DPF environment, issuing db2look command on non-catalog node can avoid the problem. For non-DPF environment, there is no workaround. | |
Solution | |
First fixed in DB2 LUW Version 9.5 Fix Pack 10. | |
Workaround | |
For DPF environment, issuing db2look command on non-catalog node can avoid the problem. For non-DPF environment, there is no workaround. | |
Timestamps | |
Date - problem reported : Date - problem closed : Date - last modified : | 06.02.2012 22.08.2012 22.08.2012 |
Problem solved at the following versions (IBM BugInfos) | |
9.5.FP10 | |
Problem solved according to the fixlist(s) of the following version(s) | |
9.5.0.10 |