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DB2 - Problem description

Problem IC82025 Status: Closed

CRASH IN SQLNLS_GMBLK_CALLBACK_U500R1

product:
DB2 FOR LUW / DB2FORLUW / 970 - DB2
Problem description:
The crash in sqlnls_gmblk_callback_U500R1 is occurring while 
trying to free memory pointed to by an ICU Global Variable 
Pointer. The stack will look similar to: 
 
OSSTrapFile::dump 
sqlo_trce 
sqloEDUCodeTrapHandler 
sqlnls_gmblk_callback_U500R1 
icu_3_8::UMemory::operator new 
icu_3_8::UnicodeSet::_add 
icu_3_8::UnicodeSet::add 
uset_addString_3_8 
icu_3_8::ICUNumberFormatService::handleDefault 
unum_setAttribute_3_8 
utrie_enum_3_8 
ucol_getContractionsAndExpansions_3_8 
ucol_getContractions_3_8 
ucol_getUnsafeSet_3_8 
sqlnlsGetUnsafeChars_U500R1 
sqlnlsAddCollation 
sqlnlsInitNLSdbcb 
sqeLocalDatabase::FirstConnect 
sqeDBMgr::StartUsingLocalDatabase 
sqeApplication::AppStartUsing 
sqliCompareKeys 
sqeApplication::AppLocalStart 
sqlelostWrp 
sqleUCengnInit 
sqleUCagentConnect 
sqljsConnectAttach 
sqljs_ddm_accsec 
sqljsParseConnect 
sqljsParse 
CUXParser::OpenNode 
CUdbgVar::ReportValueLargeText 
sqljsDrdaAsDriver 
sqeAgent::RunEDU 
sqzEDUObj::EDUDriver 
sqloEDUEntry 
pthread_start_thread_event 
_openchild 
 
The above trap is from zLinux, but the problem may occur on AIX, 
Solaris, HP-Linux and Linux.
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* All Aix, Solaris, HP-UX, Linux Users                         * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* Crash in sqlnls_gmblk_callback_U500R1 that occurs while      * 
* trying to free memory pointed to by an ICU Global Variable   * 
* Pointer. The stack will look similar to:                     * 
*                                                              * 
* ossDumpStackTrace                                            * 
* _ZN11OSSTrapFile4dumpEmiP7siginfoPv                          * 
* sqlo_trce                                                    * 
* sqloEDUCodeTrapHandler                                       * 
* sqlnls_gmblk_callback_U500R1                                 * 
* _ZN7icu_3_87UMemorynwEm                                      * 
* _ZN7icu_3_810UnicodeSet4_addERKNS_13UnicodeStringE           * 
* _ZN7icu_3_810UnicodeSet3addERKNS_13UnicodeStringE            * 
* uset_addString_3_8                                           * 
* utrie_enum_3_8                                               * 
* ucol_getContractionsAndExpansions_3_8                        * 
* ucol_getContractions_3_8                                     * 
* ucol_getUnsafeSet_3_8                                        * 
* _Z27sqlnlsGetUnsafeChars_U500R1PK14sqlrxCollationP13SQLO_MEM * 
* _POOLPP16sqlrxUnsafeCharsS6_                                 * 
* sqlnlsAddCollation                                           * 
* sqlnlsInitNLSdbcb                                            * 
* _ZN16sqeLocalDatabase12FirstConnectEP8SQLE_BWARcP8sqeAgentP8 * 
* sqlo_gmtii                                                   * 
* _ZN8sqeDBMgr23StartUsingLocalDatabaseEP8SQLE_BWAP8sqeAgentRc * 
* cP8sqlo_gmt                                                  * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Apply DB2 9.7 FP6                                            * 
****************************************************************
Local Fix:
available fix packs:
DB2 Version 9.7 Fix Pack 6 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 7 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 8 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9a for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 10 for Linux, UNIX, and Windows

Solution
Problem first fixed in DB2 9.7 FP6
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
14.03.2012
19.06.2012
19.06.2012
Problem solved at the following versions (IBM BugInfos)
9.7.FP6
Problem solved according to the fixlist(s) of the following version(s)
9.7.0.6 FixList
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