Raphael Bittencourt S. Costa wrote: > On Thu, 2008-04-03 at 09:25 +0300, Uldis Pakuls wrote: > > >> Raphael Bittencourt S. Costa wrote: >> >>> Guys, >>> >>> I'm getting strange messages on my new server with dovecot-1.1rc4 + lda >>> + sieve + ldap + postfix + suse10. This server is in production since >>> monday, and worked fine until today. The only thing I had changed was >>> dovecot from 1.1rc3 to 1.1rc4. I already enabled mail_debug, but I got >>> any erros after that. >>> >>> Does anyone have any idea of what is happening? >>> >>> Unable to handle kernel NULL pointer dereference at 0000000000000020 >>> RIP: >>> <ffffffff8019df99>{sys_inotify_rm_watch+280} >>> >>> >> It is a kernel level crash in function sys_inotify_rm_watch.; >> >> */*/fs/inotify_user.c - inotify support for userspace/*/* >> >> I don't think its dovecot's fault. Have you installed any vendor >> specific/propertary storage drivers? >> >> > > Just using Hitachi's HDLM for multipath and failover. > > It's looks like problem with storage drivers (kernel modules) ; crash after attempt to free inotify data. As workaroud I may sugest to use difrenet notify method. (configure option "--with-notify=")
Uldis p.s. I have 9 production servers running different versions of SuSE linux and never have such a problem. Something like this I got only once: after adding LSI pseudo raid adapter useing LSI propertary drivers./**/*/*/ /*/*