*** This bug is a duplicate of bug 1140716 ***
https://bugs.launchpad.net/bugs/1140716
Second time my laptop crashes today. Lenovo T420.
dmesg says:
[ 7119.584603] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU
hung
[ 7119.584608] [drm] capturing error event; look for more information in
/debug/dri/0/i915_error_state
Xorg.0.log says:
[ 7128.806] (EE) intel(0): Detected a hung GPU, disabling acceleration.
[ 7128.806] (EE) intel(0): When reporting this, please include
i915_error_state from debugfs and the full dmesg.
[ 7134.697] (II) intel(0): EDID vendor "AUO", prod id 8510
[ 7134.698] (II) intel(0): Printing DDC gathered Modelines:
[ 7134.698] (II) intel(0): Modeline "1600x900"x0.0 110.00 1600 1664 1706
2010 900 903 906 912 -hsync -vsync (54.7 kHz eP)
[ 7134.698] (II) intel(0): Modeline "1600x900"x0.0 73.33 1600 1664 1706
2010 900 903 906 912 -hsync -vsync (36.5 kHz e)
** Attachment added: "debugfs outtput"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1165401/+attachment/3691176/+files/i915_error_state
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https://bugs.launchpad.net/bugs/1165401
Title:
[drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung
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