DB2 - Problem description
Problem IC72336 | Status: Closed |
DB2/AIX PURESCALE: CLUSTER CACHING FACILITY CA-SERVER PROCESS TRAPS ON FIX PACK 2 | |
product: | |
DB2 FOR LUW / DB2FORLUW / 980 - DB2 | |
Problem description: | |
On DB2/AIX Version 9.8 Fix Pack 2 only (pureScale), the ca-server process may trap on database activation due to exhausting the CF worker thread stack area. The mgmt_lwd_log.* file in the DIAGPATH will contain the following entry: PD_LEVEL_ERR: ca-mgmnt-lwd: Waitpid sees WTERMSIG: status is (11) errpt -a from the host where the CF is located which show that the ca-server process abnormally terminated with a signal 11 (SIGSEGV). LABEL: CORE_DUMP ... SIGNAL NUMBER 11 ... PROGRAM NAME ca-server ... ADDITIONAL INFORMATION _doprnt 7C snprintf 18C The Additional information contains a partial function call stack traceback. Other stack tracebacks are possible. | |
Problem Summary: | |
**************************************************************** * USERS AFFECTED: * * Systems running version 9.8 Fix Pack 2 * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * Use documented workaround * **************************************************************** | |
Local Fix: | |
Increase the default CF worker thread stack size with the following workaround: db2set DB2_CA_ENV_STRING="AIXTHREAD_STK=2097152" | |
available fix packs: | |
DB2 Version 9.8 Fix Pack 3 for Linux, UNIX, and Windows | |
Solution | |
Problem first fixed in DB2 UDB Version 9.8 Fix Pack 3 | |
Workaround | |
Use documented workaround | |
Timestamps | |
Date - problem reported : Date - problem closed : Date - last modified : | 01.11.2010 16.02.2011 16.02.2011 |
Problem solved at the following versions (IBM BugInfos) | |
9.8.FP3 | |
Problem solved according to the fixlist(s) of the following version(s) | |
9.8.0.3 |