Bug#617907: libgl1-mesa-dri-experimental: random crashes with OpenGL apps
On Sun, Apr 3, 2011 at 21:47:55 +0100, Juha Jäykkä wrote:
> > Or you may want to upgrade to the latest kernel in experimental first.
>
> This was easier, so I tried this. Some "progress": instead of crashing X, it
> now crashes the GPU:
>
> [drm] nouveau 0000:05:00.0: GPU lockup - switching to software fbcon
>
> and makes the machine completely unusable: open ssh connections freeze, new
> sessions cannot be opened (it will connect to the port, but will freeze before
> authentication begins, during host authentication I think), virtual consoles
> cannot be changed etc.
>
> The only things which work are: mpd keeps playing music intermittently (every
> time I press a key, I hear a very short bit of music), tcp connections are
> accepted, ICMP ECHO is replied to and magic SysRq key combinations work (so I
> can sync && umount && reboot).
>
> Note that this is 2.6.38rc7, which was the newest a short while ago. It just
> took me this long to figure out why the machine occassionally freezes. Well,
> it does not really freeze, but you get the point.
>
> I installed 2.6.38-2-amd64 now and will see what happens with it before
> building the experimental libgl1.
>
> I noticed there is a newer X, too: any point in checking if installing that
> helps?
>
> Oh, and one more point: this lockup seems to happen much less frequently if I
> do not run opengl apps full-screen but in a window (which might be full-screen
> size, though).
>
Hi Juha,
is there any progress with newer kernels or mesa? If you still have
issues I suggest reporting this upstream to the nouveau developers (at
bugs.freedesktop.org). If you do that, let us know the bug number for
tracking.
Thanks,
Julien
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