On Mon, Aug 2, 2010 at 9:13 AM, Agnello George <agnello.dsouza at gmail.com> wrote: > Hi > we had one of our mail servers , going on kernel panic mode ( not syncing > fatal exception) ... cause /var/queue/postfix was on reiserfs part .. it has > not been giving us any isssue quite some time , but yesterday and today it > went on Kernel panic mode , when we hashed out the reiserfs part it booted > properly .. we formated the part^ on ext3 later and things working fine now > . Could any one have a idea why this could have happened . The server hung > at 19:52:56 hours > Here is the logs > ------------------------------------------------------------------ > ug 2 19:50:01 mmail2 snmpd[4460]: Connection from UDP: []:53980 > Aug 2 19:50:55 mmail kernel: ReiserFS: sda6: warning: vs-13060: > reiserfs_update_sd: stat data of object [2 203562 0x0 SD] (nlink == 2) not > found (pos 1) (snip) > Aug 2 20:13:27 mmail syslogd 1.4.1: restart. > Aug 2 20:13:27 mmail kernel: klogd 1.4.1, log source = /proc/kmsg started. > Aug 2 20:13:27 mmail kernel: Linux version 2.6.18-128.el5 (snip) > -- > Regards > Agnello D'souza This is a known problem and there is a patch for that: http://bugs.centos.org/view.php?id=3156 Your kernel is so old (meaning many security holes). Please update the system and while doing so, grab the centosplus kernel which has the fix for this issue. Akemi