[Intel-gfx] Hangcheck does not work on SNB?

[Lukas Hejtmanek]

On Mon, Apr 02, 2012 at 08:32:50AM +0100, Chris Wilson wrote:
> Even after you stop the video? All it sounds like so far is that it is no
> longer rendering video frames. Also check your Xorg.log and video player
> for diagnostics.

Xorg.log contains (however this may be consequence of SAK (sysrq-k)):

[157714.584] [mi] EQ overflowing.  Additional events will be discarded until
existing events are processed.
[157714.584] Backtrace:
[157714.589] 0: /usr/bin/X (xorg_backtrace+0x26) [0x7f57d14622f6]
[157714.589] 1: /usr/bin/X (mieqEnqueue+0x263) [0x7f57d14429d3]
[157714.589] 2: /usr/bin/X (0x7f57d12da000+0x62814) [0x7f57d133c814]
[157714.589] 3: /usr/bin/X (xf86PostMotionEvent+0xd8) [0x7f57d1379fb8]
[157714.589] 4: /usr/lib/xorg/modules/input/synaptics_drv.so (0x7f57cb9f3000+0x3d28) [0x7f57cb9f6d28]
[157714.589] 5: /usr/lib/xorg/modules/input/synaptics_drv.so (0x7f57cb9f3000+0x5f34) [0x7f57cb9f8f34]
[157714.589] 6: /usr/bin/X (0x7f57d12da000+0x8ace7) [0x7f57d1364ce7]
[157714.590] 7: /usr/bin/X (0x7f57d12da000+0xb0bda) [0x7f57d138abda]
[157714.590] 8: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f57d0600000+0xfcb0) [0x7f57d060fcb0]
[157714.590] 9: /lib/x86_64-linux-gnu/libc.so.6 (ioctl+0x7) [0x7f57cf55ed27]
[157714.590] 10: /usr/lib/x86_64-linux-gnu/libdrm.so.2 (drmIoctl+0x28) [0x7f57cdaf11a8]
[157714.590] 11: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f57cd5fa000+0x374ee) [0x7f57cd6314ee]
[157714.590] 12: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f57cd5fa000+0x6789a) [0x7f57cd66189a]
[157714.590] 13: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f57cd5fa000+0x42bca) [0x7f57cd63cbca]
[157714.590] 14: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f57cd5fa000+0x55dee) [0x7f57cd64fdee]
[157714.590] 15: /usr/bin/X (BlockHandler+0x4a) [0x7f57d132c51a]
[157714.590] 16: /usr/bin/X (WaitForSomething+0x11d) [0x7f57d145f65d]
[157714.590] 17: /usr/bin/X (0x7f57d12da000+0x4e4b2) [0x7f57d13284b2]
[157714.590] 18: /usr/bin/X (0x7f57d12da000+0x3d68a) [0x7f57d131768a]
[157714.590] 19: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xed) [0x7f57cf49576d]
[157714.591] 20: /usr/bin/X (0x7f57d12da000+0x3d97d) [0x7f57d131797d]
[157714.591] [mi] These backtraces from mieqEnqueue may point to a culprit higher up the stack.
[157714.591] [mi] mieq is *NOT* the cause.  It is a victim.

And I am unable to stop the video, X session is completely dead so I don't
even see if and what mplayer complains about.

It seems that the video suddenly slows down and then stops completely but I am
not 100% sure about this.

-- 
Lukáš Hejtmánek