Can you try the gl backend in real world usage? I expect it to fail as
well, as I think the failure mode here is the machine dying whilst
waiting up a scanline - and both the Xv and gl backends should trigger
that code. (Except in the case of fullscreen gl, which will go through
another path). Wher
Out of the backend I tried (xv, gl_nosw, x11, sdl/x11, gl, gl2) xv seems
to be causing the problem. I am currently using the backend x11 and have
yet to observe a crash using it. However during my tesing cauing the
crash was not as reliable as in real-world usage before but at the time
of the crash
How are you playing the video? If you are using mplayer, can you try the
various backends to see if any are more susceptible?
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https://bugs.launchpad.net/bugs/1176
For some other reason I switched my window manager to dwm and can now
almost reliably reproduce the failure by simply starting a video in
mplayer and wait for approx. 5 seconds. Before with gnome/metacity I
could sometimes watch entire movies of multiple hours. Sometimes it
would crash in between b
Hmm, suggests that the fresh data never reached disk before the system
hang. Maybe try 'while :; do sleep 1; cat ... >> error_state; sync;
done'
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Since the affected maschine is not reachable via SSH, I just dumped the
error state every second (while [ 1 ]; sleep 1; do cat
/sys/kernel/debug/dri/0/i915_error_state >> error_state; done) and
deleted all the "no error state" lines from the file before the actual
error dump after the crash. As it
The symptoms are consistent with a GPU hang, so please try to grab the
/sys/kernel/debug/dri/0/i915_error_state after the event (and before
rebooting).
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** Package changed: xorg (Ubuntu) => xserver-xorg-video-intel (Ubuntu)
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Confirmed => New
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The bug can occur as early as 1 minute after boot up. I tried watching a video
in mplayer. Several times the system locked up which I handled with a hard
reset. Once I just started mplayer, skipped to the correct position in the
video and could only watch 5 seconds more as the system froze again
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: xorg (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1176647
Title:
I continue to experience this bug several times a day. The bug can occur
as early as 20 minutes after boot, but may also not occur during several
hours of usage. I do not see anything suspicious in the log files
though. It might be a coincidence but it may especially occur when using
mplayer.
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