Bug#549314: xorg: Xorg crashes at random, exactly once

[Brice Goglin <Brice.Goglin@ens-lyon.org>]

Stefan Klinger wrote:
> Package: xorg
> Version: 1:7.4+4
> Severity: critical
> Justification: causes serious data loss
>
>
> My Xorg session crashes without prior notice, roughly during the first 15 Minutes of working. However, I can trigger a crash by typing
>
>   dmesg -n 9
>   
> as non-root user, wich normally prints 'klogctl: Operation not permitted'. This instantly teminates my session.
>   

Looks really strange...
We need the backtrace of the crash. See the end of Xorg.0.log or
Xorg.0.log.old

Brice