Bug#465939: Crashes often when changing virtual desktop in KDE with translucencies

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

David wrote:
> Thank you.
>
> Please note that I do not know how to reproduce the bug, it just
> happens. Sometimes I had it more than twice in the same day, other
> times I can be working for a week without the crash.
>
> I think the crash is favoured when the virtual desktop I am switching
> to has a window whose content is changing at this moment, but I am not
> sure.
>
> So, what do I have to do? To manually launch gdb and wait until a
> crash happens?

The easiest way would be to:
* start X and your usual session on this machine
* login from another machine using ssh and run gdb -p $(pidof X) to
attach gdb
* when the crash occurs, type 'bt full' in gdb and send us the whole output

Brice