Bug#457997: xserver-xorg-core: starwars hack from xscreensaver freezes Xorg

[Jiří Paleček <jpalecek@web.de>]

On Wed, 02 Jan 2008 12:22:23 +0100, Michel Dänzer <daenzer@debian.org>  
wrote:

> reassign 457997 libgl1-mesa-dri
> kthxbye
>
> 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
> >
> > Hello,
> >
> > 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.

Just if you are interrested, I'm able to get a strace by attaching Xorg  
before the freeze. At the end, it contains repeated

ioctl(7, 0x6444, 0) = EBUSY

and SIGALRMs

Should I get a full strace?

Reagrds
    Jiri Palecek


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