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DB2 - Problem description

Problem IC63424 Status: Closed

POSSIBLE MEMORY CORRUPTION - TRAP IN <SQLRAERTDESTROYTABLE>
<SQLRAERT.C:259>

product:
DB2 FOR LUW / DB2FORLUW / 970 - DB2
Problem description:
If we run out of memory while constructing a cursor variable, 
the following connection reset might fail with -1224 which 
brings down the instance. 
 
<Header> 
DB2 build information: DB2 v9.7.100.119 s090917 SQL09071 
timestamp: 2009-09-21-07.07.54.953000 
uname: S:Windows 
comment: NTX6497 
process id: 660 
thread id: 3144 
</Header> 
<POFDisassembly> 
<![CDATA[ 
Failing instruction at 000000018004801A offset: 
0000000000000A04in <sqloFreeMemChunks> <NotFound:-1> 
        ]]></POFDisassembly> 
       <StackTrace> 
      <![CDATA[ 
 
------RBP--------------RIP--------------ARGS-------------------- 
------------------------------------- 
00000000136985E0 000000018004801A 0000000001B40000 
0000000000000002 000007FFFC98EDA0 0000000001B48829 offset: 
0000000000000A04 in <sqloFreeMemChunks> <NotFound:-1> 
00000000136986E0 000000018004C581 0000000013698720 
000007FFFC98EDA0 0000000000000000 000007FFCEDF0C98 offset: 
00000000000005A3 in <sqlofmblkEx> <NotFound:-1> 
0000000013698710 0000000001B48829 0000000000000001 
000000000BD6419D 000007FF00000001 0000000001B44FB4 offset: 
0000000000000009 in <sqlofmblk> 
<E:\db2_v97fp1\ntx64\s090917\engn\include\sqlomem.h:502> 
0000000013698790 00000000030E96C8 0000000013698978 
0000000013698D14 0000000013698D18 000000000213567E offset: 
00000000000000F2 in <sqlraERTDestroyTable> <sqlraert.C:259> 
0000000013699660 0000000002F7DFFF 0000000000000040 
000000000000000B 0000000000000000 000007FF00000000 offset: 
0000000000001585 in <sqlrr_appl_term> <sqlrr.C:3754> 
00000000136998E0 0000000001F44674 0000000000000000 
0000000006540740 0000000006506D10 0000000007C3B3E0 offset: 
0000000000000492 in <sqeApplication::AppStopUsing> 
<sqle_application.C:5097> 
0000000013699C30 00000000020261A7 0000000000000000 
000007FFFDA35D00 0000000000000005 0000000000000000 offset: 
0000000000000083 in <sqlesrspWrp> <sqleu_server.C:2288> 
0000000013699CE0 0000000002025D91 0000000000000001 
000000000000025A 0000000000000000 0000000000000000 offset: 
0000000000000095 in <sqleUCagentConnectReset> 
<sqleu_server.C:2469> 
0000000013699EB0 000000000211DABD 0000000000000000 
00000002280D30D9 0000000000000000 0000000000000000 offset: 
0000000000000EA9 in <sqljsCleanup> <sqljsqam.C:4419> 
0000000013699F50 0000000002117D90 0000000000000000 
0000000000000000 0000000000000000 0000000000000000 offset: 
000000000000046E in <sqljsDrdaAsInnerDriver> <sqljsqam.C:1322> 
000000001369F870 00000000021177A3 000007FFFC248270 
000000018008D35B 000000000027C4B0 0000000007500348 offset: 
000000000000012B in <sqljsDrdaAsDriver> <sqljsqam.C:1046> 
000000001369FBD0 0000000001F4F276 0002625A00000000 
000000018001A3D6 000000734BD67DBD 000000018002C17A offset: 
0000000000000748 in <sqeAgent::RunEDU> <sqle_agent.C:3946> 
000000001369FC60 00000000038ADF35 000000000F350D98 
000000001369FCB0 0000000000000000 00000001800E007A offset: 
000000000000010F in <sqlzRunEDU> <sqlz_edu_obj.C:35> 
000000001369FF70 00000001800E0391 000000000F350D98 
0000000000000000 0000000000000000 000000001369FFA8 offset: 
000000000000042B in <sqloInitEDUServices> <NotFound:-1> 
000000001369FFA0 0000000077D0B71A 0000000000000000 
0000000000000000 0000000000000000 0000000000000000 
]]></StackTrace>
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* DB2 LUW All platforms                                        * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* the following connection reset might fail with -1224 which   * 
*                                                              * 
* brings down the instance.                                    * 
*                                                              * 
* <Header>                                                     * 
* DB2 build information: DB2 v9.7.100.119 s090917 SQL09071     * 
*                                                              * 
* timestamp: 2009-09-21-07.07.54.953000                        * 
* uname: S:Windows                                             * 
* comment: NTX6497                                             * 
* process id: 660                                              * 
* thread id: 3144                                              * 
* </Header>                                                    * 
* <POFDisassembly>                                             * 
* <![CDATA[                                                    * 
* Failing instruction at 000000018004801A offset:              * 
* 0000000000000A04in <sqloFreeMemChunks> <NotFound:-1>         * 
*        ]]></POFDisassembly>                                  * 
*      <StackTrace>                                            * 
*    <![CDATA[                                                 * 
*                                                              * 
* ------RBP--------------RIP--------------ARGS------------------ 
* -------------------------------------                        * 
* 00000000136985E0 000000018004801A 0000000001B40000           * 
* 0000000000000002 000007FFFC98EDA0 0000000001B48829 offset:   * 
*                                                              * 
* 0000000000000A04 in <sqloFreeMemChunks> <NotFound:-1>        * 
*                                                              * 
* 00000000136986E0 000000018004C581 0000000013698720           * 
* 000007FFFC98EDA0 0000000000000000 000007FFCEDF0C98 offset:   * 
*                                                              * 
* 00000000000005A3 in <sqlofmblkEx> <NotFound:-1>              * 
* 0000000013698710 0000000001B48829 0000000000000001           * 
* 000000000BD6419D 000007FF00000001 0000000001B44FB4 offset:   * 
*                                                              * 
* 0000000000000009 in <sqlofmblk>                              * 
* <E:\db2_v97fp1\ntx64\s090917\engn\include\sqlomem.h:502>     * 
*                                                              * 
* 0000000013698790 00000000030E96C8 0000000013698978           * 
* 0000000013698D14 0000000013698D18 000000000213567E offset:   * 
*                                                              * 
* 00000000000000F2 in <sqlraERTDestroyTable> <sqlraert.C:259>  * 
*                                                              * 
* 0000000013699660 0000000002F7DFFF 0000000000000040           * 
* 000000000000000B 0000000000000000 000007FF00000000 offset:   * 
*                                                              * 
* 0000000000001585 in <sqlrr_appl_term> <sqlrr.C:3754>         * 
* 00000000136998E0 0000000001F44674 0000000000000000           * 
* 0000000006540740 0000000006506D10 0000000007C3B3E0 offset:   * 
*                                                              * 
* 0000000000000492 in <sqeApplication::AppStopUsing>           * 
* <sqle_application.C:5097>                                    * 
* 0000000013699C30 00000000020261A7 0000000000000000           * 
* 000007FFFDA35D00 0000000000000005 0000000000000000 offset:   * 
*                                                              * 
* 0000000000000083 in <sqlesrspWrp> <sqleu_server.C:2288>      * 
*                                                              * 
* 0000000013699CE0 0000000002025D91 0000000000000001           * 
* 000000000000025A 0000000000000000 0000000000000000 offset:   * 
*                                                              * 
* 0000000000000095 in <sqleUCagentConnectReset>                * 
* <sqleu_server.C:2469>                                        * 
* 0000000013699EB0 000000000211DABD 0000000000000000           * 
* 00000002280D30D9 0000000000000000 0000000000000000 offset:   * 
*                                                              * 
* 0000000000000EA9 in <sqljsCleanup> <sqljsqam.C:4419>         * 
* 0000000013699F50 0000000002117D90 0000000000000000           * 
* 0000000000000000 0000000000000000 0000000000000000 offset:   * 
*                                                              * 
* 000000000000046E in <sqljsDrdaAsInnerDriver>                 * 
* <sqljsqam.C:1322>                                            * 
* 000000001369F870 00000000021177A3 000007FFFC248270           * 
* 000000018008D35B 000000000027C4B0 0000000007500348 offset:   * 
*                                                              * 
* 000000000000012B in <sqljsDrdaAsDriver> <sqljsqam.C:1046>    * 
*                                                              * 
* 000000001369FBD0 0000000001F4F276 0002625A00000000           * 
* 000000018001A3D6 000000734BD67DBD 000000018002C17A offset:   * 
*                                                              * 
* 0000000000000748 in <sqeAgent::RunEDU> <sqle_agent.C:3946>   * 
*                                                              * 
* 000000001369FC60 00000000038ADF35 000000000F350D98           * 
* 000000001369FCB0 0000000000000000 00000001800E007A offset:   * 
*                                                              * 
* 000000000000010F in <sqlzRunEDU> <sqlz_edu_obj.C:35>         * 
* 000000001369FF70 00000001800E0391 000000000F350D98           * 
* 0000000000000000 0000000000000000 000000001369FFA8 offset:   * 
*                                                              * 
* 000000000000042B in <sqloInitEDUServices> <NotFound:-1>      * 
*                                                              * 
* 000000001369FFA0 0000000077D0B71A 0000000000000000           * 
* 0000000000000000 0000000000000000 0000000000000000           * 
* ]]></StackTrace>                                             * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to db2 v97fp1                                        * 
****************************************************************
Local Fix:
Increase application heap size
available fix packs:
DB2 Version 9.7 Fix Pack 1 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 2 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 3 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 3a for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 4 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 5 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 7 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9a for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 6 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 10 for Linux, UNIX, and Windows

Solution
First Fixed in DB2 Version 9.7 fix pack 1
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
25.09.2009
15.01.2010
31.08.2011
Problem solved at the following versions (IBM BugInfos)
9.7.FP1
Problem solved according to the fixlist(s) of the following version(s)
9.7.0.1 FixList