[Dovecot] Strange dmesg messages

[Raphael Bittencourt S. Costa]

I moved the maildir location from Hitachi's storage to local sas disk
and got the same erro using imaptest. Debug doesn't show any usable
information. :-(

Any ideas? 



On Thu, 2008-04-03 at 19:01 +0300, Uldis Pakuls wrote:

> 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./**/*/*/
> 
> /*/*