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[Marco Trevisan (Treviño) <mail@xxxxxxxxx>]

** Changed in: unity (Ubuntu)
       Status: Fix Released => Invalid

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https://bugs.launchpad.net/bugs/871549

Title:
  11.10 Unity Visually broken Gallium .4 AMD CAYMAN drivers

Status in Unity:
  Invalid
Status in “unity” package in Ubuntu:
  Invalid

Bug description:
  I am using Ubuntu 11.10 RC x64, and have a AMD Radeon HD 6950 graphics
  card and am using the open sourced graphics drivers.

  After using unity for about 2-3 minutes, something happens to Unity
  that causes it to visually break. The breakage is usually refined to
  menu's and the desktop, and does not halt my usage of the system, but
  it is very annoying and is a very large bug.

  The breakage looks like horizontal orange and white bars spanning
  across my screen just below the top bar. The Unity Dock icons are half
  drawn and distorted, and all of the menu's  and text have weird
  artifacts embedded in the font. The artifacts look like random lines
  and underlines and strike-throughs all over the text.

  I have found things like "alt-tab" can break the desktop, if a window
  hangs and fails to close properly it can break the desktop, adding
  things to the Unity Dock can break the desktop. This has been
  happening ever since I installed 11.10 during beta 1, and would love
  to get this fixed by release.

  I think this is isolated on Cayman cards, as I have my laptop has a
  mobility radeon hd 4250 card with the standard Gallium drivers and it
  does not have this issue.

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