[Nouveau] Assertion failure in gallium on nv50

[Maarten Maathuis]

Update to the latest mesa, it's a know bug and the fix was finally
pushed about 20 minutes ago.

Maarten.

On Tue, Jan 5, 2010 at 7:28 PM, Tavian Barnes <tavianator at gmail.com> wrote:
> I upgraded mesa, libdrm, xf86-video-nouveau and the DRM module to
> latest git recently (previously I had git versions from Dec 22).  Now,
> when I try to run a simple GL program with the DRI driver, it fails:
>
> glxgears: /usr/include/nouveau/nouveau_pushbuf.h:135: BIND_RING:
> Assertion `0' failed.
>
> The old, previously working build of mesa and the DRI driver also
> failed, which makes me think the problem has to do with the recent
> libdrm or DDX changes (or possibly the DRM?).  A backtrace indicates
> that the assertion happens in nv50_screen_create(), but I doubt that's
> where the bug is as that routine hasn't changed recently.
>
> Program received signal SIGABRT, Aborted.
> 0x00007ffff727b035 in raise () from /lib/libc.so.6
> (gdb) bt
> #0  0x00007ffff727b035 in raise () from /lib/libc.so.6
> #1  0x00007ffff727c460 in abort () from /lib/libc.so.6
> #2  0x00007ffff7274151 in __assert_fail () from /lib/libc.so.6
> #3  0x00007ffff5348f7a in nv50_screen_create ()
>   from /home/tavianator/abs/mesa-git/pkg/nouveau-dri-git/usr/lib/xorg/modules/dri/nouveau_dri.so
> #4  0x00007ffff52fb585 in nouveau_drm_create_screen ()
>   from /home/tavianator/abs/mesa-git/pkg/nouveau-dri-git/usr/lib/xorg/modules/dri/nouveau_dri.so
> #5  0x00007ffff52f947d in dri_init_screen2 ()
>   from /home/tavianator/abs/mesa-git/pkg/nouveau-dri-git/usr/lib/xorg/modules/dri/nouveau_dri.so
> #6  0x00007ffff52f675c in dri2CreateNewScreen ()
>   from /home/tavianator/abs/mesa-git/pkg/nouveau-dri-git/usr/lib/xorg/modules/dri/nouveau_dri.so
> #7  0x00007ffff7ba89e7 in dri2CreateScreen () from /usr/lib/libGL.so.1
> #8  0x00007ffff7b84bee in __glXInitialize () from /usr/lib/libGL.so.1
> #9  0x00007ffff7b8026d in GetGLXPrivScreenConfig () from /usr/lib/libGL.so.1
> #10 0x00007ffff7b811cf in glXChooseVisual () from /usr/lib/libGL.so.1
> #11 0x0000000000401cf0 in ?? ()
> ...
>
> I'm still trying to isolate the commit that caused this, but it's
> annoying bisecting three different components.
>
> --
> Tavian Barnes
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