DMESG ends with:
[ 17.200905] ppdev: user-space parallel port driver
[ 20.112888] 4:2:1: cannot get freq at ep 0x84
[ 20.230511] 4:2:1: cannot get freq at ep 0x84
[ 22.260025] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed...
GPU hung
[ 22.260034] render error detected, EIR: 0x00000000
[ 22.260036] i915: Waking up sleeping processes
[ 22.260050] [drm:i915_wait_request] *ERROR* i915_wait_request returns -5
(awaiting 13 at 12)
[ 22.260276] [drm:i915_gem_execbuffer] *ERROR* Execbuf while wedged
[ 27.304474] eth0: no IPv6 routers present
xorg log and .0.log both contain this:
Fatal server error:
Failed to submit batchbuffer: Input/output error
Please consult the The X.Org Foundation support
at http://wiki.x.org
for help.
Please also check the log file at "/var/log/Xorg.0.log" for additional
information.
--
intel drm GPU hang on every boot (before GDM) after installing lucid updates
https://bugs.launchpad.net/bugs/507590
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