[Bug 57495] [945gm regression] GPU hangs on login to Unity

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=57495

--- Comment #32 from Kees Bakker <kees.bakker at xs4all.nl> ---
(In reply to comment #29)
> (In reply to comment #27)
> > No, 3D is not in general, just on my Macbook. By now I know that this
> > hardware simply can't do the 3D stuff. It never could. I was more or less
> > expecting (hoping) that the system would _tell_ me that I can't do 3D,
> > instead of screen corruption and such.
> 
> Nah, i945gm should have 3D. At least it works here - but first we need to
> retest with the above patch applied to ensure your gpu is still alive when
> you boot into the desktop. Please check dmesg for any "gpu hang" messages or
> other issues, and if there's nothing check glxinfo and whether glxgears
> works.

Patch applied, and kernel built. glxgears is working. Here is some logging of
that

kees at makkie:~$ glxgears 
Running synchronized to the vertical refresh.  The framerate should be
approximately the same as the monitor refresh rate.
117 frames in 5.0 seconds = 23.358 FPS
183 frames in 5.0 seconds = 36.554 FPS
XIO:  fatal IO error 11 (Resource temporarily unavailable) on X server ":0"
      after 1033 requests (1033 known processed) with 0 events remaining.
kees at makkie:~$ glxinfo |grep -i render
direct rendering: Yes
OpenGL renderer string: Mesa DRI Intel(R) 945GM x86/MMX/SSE2

Is that enough info for you about that patch?

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