[Bug 77256] New: Mesa has to be downgraded to version 8 with KDE

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=77256

          Priority: medium
            Bug ID: 77256
          Assignee: idr at freedesktop.org
           Summary: Mesa has to be downgraded to version 8 with KDE
        QA Contact: intel-3d-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: t.kijas at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: 10.1
         Component: Drivers/DRI/i965
           Product: Mesa

Created attachment 97159
  --> https://bugs.freedesktop.org/attachment.cgi?id=97159&action=edit
Screenshot of white stripes in KDE with mesa >8

On computers with INTEL video card (Ivy bridge), Ubuntu 12.04.4 (KDE4.8) and
14.04 (KDE4.11.x?) I can see graphical corruption: white stripes, 3D games like
HeroesOfNewerth have graphical corruptions too. 

Sometimes it scramble even cursor of mouse. 
The problem probably is not in KDE, because Unity has some problems too.
I tried to downgrade the mesa in 12.04 to MESA 8 and it resolved it. 

But in Ubuntu 14.04 I cannot do that. 

Reproducible: Always 
Steps to Reproduce: 
1. Install Ubuntu 12.04.4 (with mesa 9) or 14.04 (with mesa 10.1)
2. Install KDE 
3. Use KDE and look at white-stripped graphical corruption and in-games
graphical corruption. 

Actual Results: You can see white stripes corruption in KDE and strange
rectangular corruption in 3D games.

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