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 | |
| 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 |
|
| 9.7.0.3 |
|