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Bug#453069: Xorg server crashes when compositing is enabled

Matthias Berndt wrote:
> Package: libxcomposite1
> Version: 1:0.3.2-1+b1
> Severity: important
> --- Please enter the report below this line. ---
> The Xorg server crashes under certain circumstances on my system when 
> compositing is enabled, both with the "nv" driver and nvidias binary "nvidia" 
> driver. 
> To reproduce, I do the following on my system: 
> 1. enable compositing for kwin (to do this, run "kcmshell kwinoptions" and 
> enable Tranparency and drop shadows there).
> 2. start yakuake (a quake-style terminal emulator for KDE).
> 3. in a yakuake terminal, start mplayer with some audio file.
> 4. Open a new tab in yakuake (Ctrl-Alt-N).
> 5. hide yakuake (by pressing F12).
> Xorg now crashes.
> I've made a core dump, but it's 22MB and I don't know if debians bug tracking 
> system can handle this. So I decided to upload it to rapidshare instead. 
> http://rapidshare.com/files/72551477/core.html

You should install xserver-xorg-core-dbg, switch to the nv driver (we
can't do
anything about nvidia), get a new core if needed, run "gdb /usr/bin/Xorg
and then enter "bt full". Send us the whole output of gdb.


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