Bug#457997: xserver-xorg-core: starwars hack from xscreensaver freezes Xorg
On Fri, 2008-01-04 at 12:20 +0100, Jiří Paleček wrote:
> On Wed, 02 Jan 2008 12:22:23 +0100, Michel Dänzer <daenzer@debian.org>
> wrote:
>
> > On Thu, 2007-12-27 at 21:20 +0100, Jiří Paleček wrote:
> >> Package: xserver-xorg-core
> >> Version: 2:1.4.1~git20071212-2
> >> Severity: important
> >>
> >> when I run the starwars hack from xscreensaver, Xorg freezes. The rest
> >> of
> >> the system is working, however, the console is locked forever. I was
> >> able
> >> to login remotely, but gdb Xorg crashed and killing X had no effect,
> >> even
> >> did not kill X. top showed X is eating 100% of the CPU, and that almost
> >> all of it is spent in the kernel.
> >
> > Sounds like a GPU lockup. It's most likely an issue in the Mesa driver
> > in libgl1-mesa-dri. Please provide the full Xorg.0.log.
>
> Here it is.
Thanks.
Does it also happen without Option "AGPMode", "DynamicClocks" or
"AccelDFS"? If so, what if you run starwars with the environment
variable
tcl_mode=0
set?
> Should I get a full strace?
No, strace is rarely if ever useful for debugging X server issues (but
particularly not for GPU lockups - the circumstances of the lockup
manifesting itself generally don't say anything about what caused it).
--
Earthling Michel Dänzer | http://tungstengraphics.com
Libre software enthusiast | Debian, X and DRI developer
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