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DB2 - Problem description

Problem IC76980 Status: Closed

IN AN INTEGRATED HA SOLUTION, DB2HAVEND MAY ABEND

product:
DB2 FOR LUW / DB2FORLUW / 970 - DB2
Problem description:
In an integrated HA solution, db2havend may crash with the 
following stack traces: 
 
<StackTrace> 
-----FUNC-ADDR---- ------FUNCTION + OFFSET------ 
0x00000000004277EF ossDumpStackTraceEx + 0x01ef 
                (db2havend (db2ha)) 
0x0000000000425502 _ZN11OSSTrapFile6dumpExEmiP7siginfoPvm + 
0x00cc 
                (db2havend (db2ha)) 
0x000000000042542D _ZN11OSSTrapFile4dumpEmiP7siginfoPv + 0x0009 
                (db2havend (db2ha)) 
0x000000000040D380 db2vendCodeTrapHandler + 0x02f0 
                (db2havend (db2ha)) 
0x00002AAAAB264FC0 address: 0x00002AAAAB264FC0 ; dladdress: 
0x00002AAAAB235000 ; offset in lib: 0x000000000002FFC0 ; 
                (/lib64/libc.so.6) 
0x00002AAAAB2A8114 strncpy + 0x0014 
                (/lib64/libc.so.6) 
0x00002AAAAB597B44 db2haGetObjectNames + 0x05d8 
                (/db2home/db2i1/sqllib/lib64/libdb2tsa.so) 
0x00000000004135A0 _Z20_sqlhaGetObjectNamesjPv + 0x00c2 
                (db2havend (db2ha)) 
0x000000000040E66E _Z25sqlhaInvokeVendorFunctionPv + 0x0112 
                (db2havend (db2ha)) 
0x000000000040CB48 main + 0x0250 
                (db2havend (db2ha)) 
0x00002AAAAB252304 __libc_start_main + 0x00f4 
                (/lib64/libc.so.6) 
0x000000000040C869 __gxx_personality_v0 + 0x0141 
                (db2havend (db2ha)) 
</StackTrace> 
 
 
The following message may also appear in the syslog: 
kernel: db2gcf[19222]: segfault at 0000000010061debf rip 
00002aaaabcd4ddd rsp 00007ffffffe6aa0 error 6 
 
This problem is exposed when there are unexpected issues 
occuring at the TSA/RSCT layer. 
However, the db2havend crash is preventing further info or error 
messages from the TSA/RSCT layer to propagate back to user.
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* TSA                                                          * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* db2havend can possibly crash in an integrated HA solution    * 
* especially when there are unexpected problems at TSA/RSCT    * 
* layer.                                                       * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 9.7 FP5 or later                              * 
****************************************************************
Local Fix:
available fix packs:
DB2 Version 9.7 Fix Pack 5 for Linux, UNIX, and Windows
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
Issue is fixed in DB2 9.7 FP5
Workaround
not known / see Local fix
BUG-Tracking
forerunner  : APAR is sysrouted TO one or more of the following: IC79267 
follow-up : 
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
15.06.2011
14.02.2012
14.02.2012
Problem solved at the following versions (IBM BugInfos)
9.7.FP5
Problem solved according to the fixlist(s) of the following version(s)
9.7.0.5 FixList