[Bug 57495] [945gm regression] Macbook2,1 stopped working with kernel 3.5.x (Ubuntu 12.10)

[bugzilla-daemon at freedesktop.org]

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

--- Comment #19 from Kees Bakker <kees.bakker at xs4all.nl> ---
Created attachment 71099
  --> https://bugs.freedesktop.org/attachment.cgi?id=71099&action=edit
kern.log with 3.7.0-rc8 gives GPU hung

So I have installed 3.7.0-rc8 (from Ubuntu's kernel PPA) and the xorg packages
from Ubuntu's xorg-edgers PPA.

The good news is that the system does not die anymore, no oopses either.

The bad news is that logging into Unity gives nothing but an empty desktop. It
just sits there. With the mouse I can move the cursor, but I can't do anything.

If I start a gnome-terminal using a remote login the following happens: the
gnome-terminal window is shown (no prompt), and after just a few second the
screen gets corrupted. In /var/log/kern.log I see

Dec  6 22:22:20 makkie kernel: [  330.352121] [drm:i915_hangcheck_hung] *ERROR*
Hangcheck timer elapsed... GPU hung
Dec  6 22:22:20 makkie kernel: [  330.352221] [drm:i915_error_work_func],
resetting chip
Dec  6 22:22:20 makkie kernel: [  330.352541] [drm:i915_reset] *ERROR* Failed
to reset chip.

(( I'll add i915_error_state in a moment. ))

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