Latest versionsfixlist
11.1.0.7 FixList
10.5.0.9 FixList
10.1.0.6 FixList
9.8.0.5 FixList
9.7.0.11 FixList
9.5.0.10 FixList
9.1.0.12 FixList
Have problems? - contact us.
Register for free anmeldung-x26
Contact form kontakt-x26

DB2 - Problem description

Problem IC68207 Status: Closed

IN RARE TIMING SCENARIOS DB2 TERMINATE MAY SEGFAULT AFTER A RESTORE
OPERATION.

product:
DB2 FOR LUW / DB2FORLUW / 970 - DB2
Problem description:
After a Restore operation is performed, a subsequent db2 
terminate may hang or segfault. The problem is caused by some 
erroneous lock related book-keeping. 
 
The stack dump may have the following entries from 
sqlpTermAgent()->sqlplfre()->sqlo_xlatch::getIdentity() 
 
</Siginfo_t> 
Signal #11 (SIGSEGV): si_addr is 0x0000002C00000014, si_code is 
0x00000001 (SEGV_MAPERR:Address not mapped to object.) 
</SignalDetails> 
 
---FUNC-ADDR---- ------FUNCTION + OFFSET------ 
0000002A9B8C9157 ossDumpStackTraceEx + 0x01f7 
 
(/ms/dist/ibmdb2/PROJ/ds/9.5.3.3/.exec/x86_64.linux.2.6.glibc.2. 
3/lib64/libdb2osse.so.1) 
0000002A9B8C4CCC _ZN11OSSTrapFile6dumpExEmiP7siginfoPvm + 0x00b4 
 
(/ms/dist/ibmdb2/PROJ/ds/9.5.3.3/.exec/x86_64.linux.2.6.glibc.2. 
3/lib64/libdb2osse.so.1) 
0000002A9B8C4D93 _ZN11OSSTrapFile4dumpEmiP7siginfoPv + 0x0009 
 
(/ms/dist/ibmdb2/PROJ/ds/9.5.3.3/.exec/x86_64.linux.2.6.glibc.2. 
3/lib64/libdb2osse.so.1) 
0000002A97C8ABCF sqlo_trce + 0x03f3 
 
(/ms/dist/ibmdb2/PROJ/ds/9.5.3.3/.exec/x86_64.linux.2.6.glibc.2. 
3/lib64/libdb2e.so.1) 
0000002A97D08FDD sqloEDUCodeTrapHandler + 0x0107 
 
(/ms/dist/ibmdb2/PROJ/ds/9.5.3.3/.exec/x86_64.linux.2.6.glibc.2. 
3/lib64/libdb2e.so.1) 
0000002A956784F0 address: 0x0000002A956784F0 ; dladdress: 
0x0000002A9566C000 ; offset in lib: 0x000000000000C4F0 ; 
                (/lib64/tls/libpthread.so.0) 
0000002A968428DC _ZNK12sqloSpinLock11getIdentityEv + 0x0000 
 
(/ms/dist/ibmdb2/PROJ/ds/9.5.3.3/.exec/x86_64.linux.2.6.glibc.2. 
3/lib64/libdb2e.so.1) 
0000002A9684297A _ZNK11sqlo_xlatch11getIdentityEv + 0x0006 
 
(/ms/dist/ibmdb2/PROJ/ds/9.5.3.3/.exec/x86_64.linux.2.6.glibc.2. 
3/lib64/libdb2e.so.1) 
0000002A97DA3545 _Z8sqlplfreP8sqeAgentP8SQLP_LCBP8SQLP_LRBm + 
0x05d9 
 
(/ms/dist/ibmdb2/PROJ/ds/9.5.3.3/.exec/x86_64.linux.2.6.glibc.2. 
3/lib64/libdb2e.so.1) 
0000002A97D571AF _Z13sqlpTermAgentP8sqeAgentm + 0x010d
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* All DB2 LUW Users                                            * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* In rare timing scenarios DB2 TERMINATE may segfault after a  * 
* RESTORE operation.                                           * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Customer need to upgraded to  db2_v97fp3                     * 
****************************************************************
Local Fix:
available fix packs:
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 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
db2_v97fpbin will contain the fix . After a Restore operation 
isperformed, a subsequent db2 terminate will not hang or 
segfault
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
27.04.2010
11.11.2010
11.11.2010
Problem solved at the following versions (IBM BugInfos)
Problem solved according to the fixlist(s) of the following version(s)
9.7.0.3 FixList
9.7.0.3 FixList