[Bug 85421] radeon stalled, GPU lockup, reset and failed on resume; crashed by firefox.

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=85421

--- Comment #12 from Hin-Tak Leung <htl10@users.sourceforge.net> ---
Created attachment 158451
  --> https://bugzilla.kernel.org/attachment.cgi?id=158451&action=edit
/var/log/message, another GPU crash under mesa 10.3.3

Fedora shipped mesa 10.3.3 
http://koji.fedoraproject.org/koji/buildinfo?buildID=593648
and it upgraded my custom-built 10.2.9 . Bad idea!

The GPU crashed again the first time resuming from a suspend. I have been
suspending/resuming under 10.2.9 happily for two+ weeks and generally happy
with it for that period. Though it looks like I upgraded from kernel 
3.17.2-200 to 3.17.3-200 yesterday and have not needed to suspend during that
time.

This time the log is interesting in that an hour into using the newer 10.3.3, I
have a pile of:

Nov 21 13:47:47 localhost kernel: radeon 0000:00:01.0: GPU fault detected: 146
0x02690004
Nov 21 13:47:47 localhost kernel: radeon 0000:00:01.0:  
VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x00007D93
Nov 21 13:47:47 localhost kernel: radeon 0000:00:01.0:  
VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x09000004
Nov 21 13:47:47 localhost kernel: VM fault (0x04, vmid 4) at page 32147, write
from 'CB0' (0x43423000) (0)

though it looks like I continue to use the machine for another hour, suspend,
then GPU crash on resume. Oh, just firefox (plus a few terminals) in
gnome-shell class mode in gnome 2.12 copr.

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