[Nouveau] [Bug 67878] Hardware freeze after resume from suspend

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=67878

--- Comment #31 from Ben Gamari <bgamari at gmail.com> ---
Created attachment 83943
  --> https://bugs.freedesktop.org/attachment.cgi?id=83943&action=edit
dmesg output from a few failed suspend/resume attempts with 4f6029da

In this case I logged in and suspended the machine. Upon resuming, the X
session was frozen with the cursor being updated occassionally. After several
attempts I was able to get to a VT. Shortly thereafter the X server died,
causing lightdm to respawn a greeter which functioned correctly, presumably
because it doesn't require acceleration. I could log in again, also the X
session would freeze before getting to a functional desktop (presumably upon
compiz starting). Again, with a few tries I could get back to a VT, at which
point lightdm would start a greeter. With every freeze a "failed to idle
channel 0xcccc0000" message would be dumped to dmesg.

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