Ok - seem(In reply to comment #170)
> Created attachment 92288 [details]
> bug
> 
> f23ab963c4f4ada2051588dfc85264aa2798dbf7 + that patch and I'm seeing
> corruption. Using google-chrome and letters in url bar or window title bar
> sometimes get corrupted and then get fixed.
> 
> Also seeing the problem in gimp menus. Some letters get corrupted and fixed.

This could be related to my hw:

[219745.896] (II) intel(0): SNA compiled with assertions enabled
[219745.898] (--) intel(0): Integrated Graphics Chipset: Intel(R) 965GM
[219745.898] (--) intel(0): CPU: x86-64, sse2, sse3, ssse3
[219745.898] (**) intel(0): Depth 24, (--) framebuffer bpp 32


And Arkadiusz hw:

[236338.852] (II) intel(0): SNA compiled with assertions enabled
[236338.853] (--) intel(0): Integrated Graphics Chipset: Intel(R) GM45
[236338.853] (--) intel(0): CPU: x86-64, sse2, sse3, ssse3, sse4.1
[236338.853] (==) intel(0): Depth 24, (--) framebuffer bpp 32


On my 965GM I've not yet seen any error....

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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xserver-xorg-video-intel in Ubuntu.
https://bugs.launchpad.net/bugs/1098334

Title:
  [gen4 sna] Font corruption

Status in X.org xf86-video-intel:
  In Progress
Status in “xserver-xorg-video-intel” package in Ubuntu:
  Incomplete

Bug description:
  After enabling the SNA acceleration method and rebooting, I noticed
  that graphical glitches appeared in the letters on Chromium's tab bar
  during the mouse hover animation. I've attached a screenshot
  illustrating this, particularly with the letter "g" in the screenshot.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: xorg 1:7.7+1ubuntu4
  ProcVersionSignature: Ubuntu 3.7.0-7.15-generic 3.7.0
  Uname: Linux 3.7.0-7-generic x86_64
  ApportVersion: 2.8-0ubuntu1
  Architecture: amd64
  Date: Thu Jan 10 16:00:55 2013
  InstallationDate: Installed on 2012-09-24 (107 days ago)
  InstallationMedia: Kubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 
(20120822.2)
  MarkForUpload: True
  SourcePackage: xorg
  UpgradeStatus: Upgraded to raring on 2012-09-25 (107 days ago)

To manage notifications about this bug go to:
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