general protection fault and howto capture core dump
miguel.j.deavila at gmail.com
Mon Apr 7 18:21:05 UTC 2008
We're having fairly regular outages in our memcache cluster ...
the memcached process is exiting abnormally.
The only log entry we can see is via dmesg,
memcached general protection rip:407ed9 rsp:7fff7cdeb238 error:0
Anyone seen this?
We also have not had any luck getting a core dump. We're running
CentOS release 5 (Final).
I think we've taken the necessary steps to encourage a core dump,
[root at memcache04 ~]# cat /proc/sys/kernel/core_pattern
[root at memcache04 ~]# cat /proc/sys/kernel/core_uses_pid
My one suspicion is that the current working dir for the memcached process
is /root, but the process is running as the www user, so it does not have write
More information about the memcached