Created attachment 103479 [details] dump copied from /sys/class/drm/card0/error Automatic system dump. System is running Linux Mint 17 Qiana on Lenovo E540. kernel 3.13.0-24-generic #47-Ubuntu SMP Fri May 2 23:30:00 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux. X.Org X Server 1.15.1 Release Date: 2014-04-13 00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller (rev 06)
That's unusual. Does the issue occur regularly enough to test ideas? First would be disabling fbc - which is default in later kernels.
(In reply to comment #1) > That's unusual. Does the issue occur regularly enough to test ideas? First > would be disabling fbc - which is default in later kernels. Absolutly no idea how it happens, from time to time X server crashes, only later I found this message in log, maybe after wakeup of notebook and trying to play some video? This is new instalation, maybe after time I get more information.
(In reply to comment #2) > (In reply to comment #1) > > That's unusual. Does the issue occur regularly enough to test ideas? First > > would be disabling fbc - which is default in later kernels. > > Absolutly no idea how it happens, from time to time X server crashes, only > later I found this message in log, maybe after wakeup of notebook and trying > to play some video? This is new instalation, maybe after time I get more > information. This should not result in X crashing. (X should never, never crash anyway, if it ever does please file bugs, lots of them), instead it should only result in a temporary, recoverable hang.
Took a second look, this is an old ddx that isn't setting the forcewake around the scanline wait request. Requires xf86-video-intel 2.99.903+
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