Yesterday before I went to sleep I rebooted by G45  machine and when
left it running over night with both of the drm patches applied. When I
woke up again I the bug was happening, so that means that I get this
freezes even without suspend/resume if I just let X.org run sufficiently
long (I also had like 2-3 windows on each side of the cube when it was
idling over night).

Another scary note is that I now currently see this on the G45 machine
(I used to have around 60 FPS in glxgears before I applied the drm
patches because of the slow down to screen Hz but now it's getting
crazy... basically I can't even see the gears moving at all and the FPS
is single digit):

mn...@kingfish:~$ glxgears
49 frames in 5.1 seconds =  9.528 FPS
20 frames in 10.2 seconds =  1.957 FPS
20 frames in 10.2 seconds =  1.960 FPS
20 frames in 9.2 seconds =  2.170 FPS

(Note: that's 2 frames per second, and not 2000 FPS!!)

-- 
[drm] compiz animations cause temporary freezes with vblank
https://bugs.launchpad.net/bugs/320813
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