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[Launchpad Bug Tracker <682712@xxxxxxxxxxxxxxxxxx>]

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I am getting a full X server crash and restart in combination with the
kernel error below:

    [drm:i915_gem_mmap_gtt_ioctl] *ERROR* Attempting to mmap a purgeable
buffer

and this error in the Xorg log:

    Fatal server error:
      Failed to submit batchbuffer: Invalid argument

This occurs about once a day, and always when clicking on an entry in
the bottom task bar; compiz is enabled.  Note that this is a Natty
kernel in combination with Lucid userspace.

Update: I just triggered the same apparent symptoms doing a shift-+ in a
gnome-terminal.

** Affects: linux
     Importance: Medium
         Status: Invalid

** Affects: xserver-xorg-video-intel
     Importance: Medium
         Status: Won't Fix

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: compiz (Ubuntu)
     Importance: High
         Status: Incomplete


** Tags: acpi acpi-method-return crash kj-triage lucid maverick
-- 
[gm45] x server crashes with: [drm:i915_gem_mmap_gtt_ioctl] *ERROR* Attempting to mmap a purgeable buffer
https://bugs.launchpad.net/bugs/682712
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