Comment 14 for bug 1282867

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3vi1 (launchpad-net-eternaldusk) wrote : Re: Many bugs in rendering with lockups, likely caused by SNA

Another i915 user running KDE here: I started experiencing the exact problems after the package pushes on 2/20.

The screen corruption doesn't always start immediately, but when it does it's horrible: http://i.imgur.com/W2N2y6e.png

Hangups/crashes are frequent (multiple times a day).

I backleveled the mesa (to saucy packages) and xserver-xorg-video-intel (to xserver-xorg-video-intel_2.99.910+git20140210) , and the corruption/crashes went away.

The current packages also break Primus (the render window is solid black). Backleveling the mesa/intel packages fixes this issue as well.