[Bug 36563] Unity locks up with latest xorg/mesa/dri/drm

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=36563

--- Comment #7 from Rune K. Svendsen <runesvend at gmail.com> 2011-05-26 12:35:15 PDT ---
I have found a reliable way of reproducing this bug on this computer at least.

Compiz must be enabled.
1. Go to CompizConfig Settings Manager (ccsm)
2. Under "Window Management"->"Resize Window" in the "General" tab, choose
"Normal" as the Default Resize Mode. This will cause windows to resize
real-time, as they are dragged by their corners/sides.
3. Open up gnome-terminal and start resizing the window quickly, it will lag a
lot and eventually hang compiz.

The output of gdb after attaching is similar to that of the "Second output"
(https://bugs.freedesktop.org/attachment.cgi?id=47160) attached to this bug
report. Ie. line #3 in Thread 1 is "radeon_bo_destroy" followed by
"radeon_bo_reference" "r600_bo_destroy" "r600_bo_reference" etc.

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