*** This bug is a duplicate of bug 946899 ***
https://bugs.launchpad.net/bugs/946899
** Changed in: xorg (Ubuntu)
Status: Incomplete => Confirmed
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*** This bug is a duplicate of bug 946899 ***
https://bugs.launchpad.net/bugs/946899
** This bug has been marked a duplicate of bug 946899
[drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
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w
the recent attachments were gathered just after another episode where
unity appeared to go away, leaving only the windows with no decoration.
BTW, I'm seeing another bug; it may be related. I have this machine on
2-port KVM switch. When I switch away from this machine for more than
just a minu
** Attachment added: "contents of i915 error state file"
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/990882/+attachment/3123604/+files/i915_error_state
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** Attachment added: "dmesg after i915 error"
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/990882/+attachment/3123603/+files/i915_error_dmesg
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Thanks, Bryce. I'll try to gather that the next time it happens.
Now, its not really a freeze -- I selected that because it also
mentioned crash. When this happens, the screen flashes black a couple
of times, then a very short while afterward, unity goes away, leaving
only undecorated and unsel
For GPU lockup bugs with Intel graphics, you need to collect the output
of 'dmesg' and your /sys/kernel/debug/dri/0/i915_error_state file. Both
of these must be collected while the machine is locked up (e.g. by
sshing into the sick machine over ethernet). See
https://wiki.ubuntu.com/X/Troubleshoo
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https://bugs.launchpad.net/bugs/990882
Title:
Xorg freeze
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