[Bug 340964] [NEW] [i915] Brightness change crashes X

[Stefano Rivera]

Public bug reported:

Binary package hint: xserver-xorg-video-intel

It crashes with the following in the kernel log, and the screen corrupts:
[drm:i915_get_vblank_counter] *ERROR* trying to get vblank count for disabled pipe 0

This seems to normally happen when changing brightness, but not
guaranteed to happen when changing brightness.

Hardware: MacBook 2.1
Release: Ubuntu 9.04 amd64

ii  xorg                                    1:7.4~5ubuntu13                         X.Org X Window System
ii  xserver-xorg-video-intel                2:2.6.1-1ubuntu4                        X.Org X server -- Intel i8xx, i9xx display driver

** Affects: xserver-xorg-video-intel (Ubuntu)
     Importance: Undecided
         Status: New

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[i915] Brightness change crashes X
https://bugs.launchpad.net/bugs/340964
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