[Dovecot] Dovecot crash non stop: "uid 0: exited on signal 11"

[Timo Sirainen]

On 5.12.2011, at 1.17, Amaury Le Pivain wrote:

> I have an old physical freebsd 6.2 server running Dovecot 1.0.7. I wanted to virtualised it.
> 
> So, I did a dd from the physical server and then I restored it on then now Virtual Machine.
> 
> I booted the server, all services are running just fine excepted Dovecot.
> 
> I tried to investigate the log as much as I can but i'm not getting any usefull pieces of information. The only entries I have in the log files are the following:
> 
> /*log: /var/log/messages:*/
> 
> /Dec  5 09:53:35 hostname kernel: pid 33815 (imap), uid 0: exited on signal 11

This means it crashes. A gdb backtrace might tell why... But I think it would be less trouble to simply upgrade Dovecot to a newer version (at least v1.2.x) where there's a good chance that this has already been fixed.