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[Bug 900795] Re: Intel driver reports hung GPU und disables acceleration


Rüdiger Kupper, this bug was reported a while ago and there hasn't been
any activity in it recently. We were wondering if this is still an
issue? If so, could you please test for this with the latest development
release of Ubuntu? ISO images are available from
http://cdimage.ubuntu.com/daily-live/current/ .

If it remains an issue, could you please run the following command in
the development release from a Terminal
(Applications->Accessories->Terminal), as it will automatically gather
and attach updated debug information to this report:

apport-collect -p linux <replace-with-bug-number>

Also, could you please test the latest upstream kernel available (not the daily folder) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags:

where VERSION-NUMBER is the version number of the kernel you tested. For example:

This can be done by clicking on the yellow circle with a black pencil icon next to the word Tags located at the bottom of the bug description. As well, please remove the tag:

If the mainline kernel does not fix this bug, please add the following tags:

As well, please remove the tag:

Once testing of the upstream kernel is complete, please mark this bug's
Status as Confirmed. Please let us know your results. Thank you for your

** This bug is no longer a duplicate of bug 946899
   8086:2a02 [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung

** Package changed: xserver-xorg-video-intel (Ubuntu) => linux (Ubuntu)

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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  Intel driver reports hung GPU und disables acceleration

Status in “linux” package in Ubuntu:

Bug description:
  Hardware info: product: 82845G/GL[Brookdale-G]/GE Chipset Integrated
  Graphics Device

  I get no 3d acceleration with the intel driver. Cheking the logs I see that the driver reproducibly reports a hung GPU and disables acceleration.
  The log file asks me to get the output of dmes and the debugfs error_state file, which I attach below.
  This is not a random lockup, which is often reported, but it happens *every time*.

  In addition, I randomly experience X freezes, even with acceleration

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