[Bug 507504] Re: display freezes, [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung

[alexg]

Same problem here on Lucid 2.6.32-19.  I've noticed this anytime I try
and change my screensaver to something 3d

kern.log
pr  9 09:01:06 giftshopcustomer-desktop kernel: [  699.072010] render error detected, EIR: 0x00000010
Apr  9 09:01:06 giftshopcustomer-desktop kernel: [  699.072018] [drm:i915_handle_error] *ERROR* EIR stuck: 0x00000010, masking
Apr  9 09:01:06 giftshopcustomer-desktop kernel: [  699.072053] render error detected, EIR: 0x00000010
Apr  9 09:02:04 giftshopcustomer-desktop kernel: [  756.876011] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
Apr  9 09:02:04 giftshopcustomer-desktop kernel: [  756.876022] render error detected, EIR: 0x00000000
Apr  9 09:02:04 giftshopcustomer-desktop kernel: [  756.876039] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request returns -5 (awaiting 31785 at 31784)

Xorg.0.log

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.

(II) Power Button: Close
(II) UnloadModule: "evdev"
(II) Power Button: Close
(II) UnloadModule: "evdev"
(II) LITEON Technology USB Multimedia Keyboard: Close
(II) UnloadModule: "evdev"
(II) LITEON Technology USB Multimedia Keyboard: Close
(II) UnloadModule: "evdev"
(II) Microsoft Microsoft 5-Button Mouse with IntelliEye(TM): Close
(II) UnloadModule: "evdev"
(II) Macintosh mouse button emulation: Close
(II) UnloadModule: "evdev"
(II) AIGLX: Suspending AIGLX clients for VT switch
 ddxSigGiveUp: Closing log

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display freezes, [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
https://bugs.launchpad.net/bugs/507504
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