Ubuntu 11.4 Hangs with error drm:i915_do_wait_request

[NoOp]

On 07/20/2011 12:50 AM, K.MADHUSUDAN..... wrote:
> Hi All
> 
> I am not sure if this is the correct mailing list - 
> 
> I upgraded my Dell Latitude D630 Laptop to 11.4 from 10
...
                                        likely vbetool) disabled
interrupts, re-enabling
> Jul 20 12:53:07 kananda-lap kernel: [11446.296141] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck                                                                                                               timer elapsed... GPU hung
...

Looks like you've run into this bug:
<https://bugs.launchpad.net/ubuntu/+source/linux/+bug/507504>
[display freezes, [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer
elapsed... GPU hung ]

More recent:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/736170
[[drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung]

and another:
<https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/737972>
[drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung ]
Someone really ought to tie those together... I'd add your comments to
737972 and point out the other bugs in your comments. And of course you
can try to find more:

<http://www.google.com/search?q=ubuntu+%2Bdrm%3Ai915_hangcheck_elapsed]+*ERROR*&btnG=Search>
<https://launchpad.net/+search?field.text=drm%3Ai915_hangcheck_elapsed]+*ERROR*>