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

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

Stefan Klinger wrote:
> do you know whether anyone is investigating this case? Or is this mailing list the wrong place to ask anyway?
>   

Either here or upstream (bugzilla.freedesktop.org) is the right place to
ask.
But your symptom look really strange so far so we don't know where to look.

> I failed to get a backtrace from X. A simple 'gdb /usr/bin/X' don't work: After
> typing 'run' at the gdb prompt, my system freezes showing a back screen.
>   

You should start X normally,and then connect to the machine through ssh
and type gdp -p $(pidof X)
Then enter 'c' for continue in gdb, reproduce the bug, and get the
backtrace with 'bt full' in gdb.

Install xserver-xorg-core-dbg and xserver-xorg-video-intel-dbg first.

Brice