I tried out xserver-xorg-video-intel 2:2.11.0-1 from Debian experimental, and it seemed to work fine, except that playing some videos via the xv extension (such as mplayer's -vo xv or totem) results in a strange diagonal shear effect. Playing video via some means other than xv (mplayer with -vo x11 or -vo gl for instance) works fine, and the effect only seems to happen with some videos. Downgrading back to xserver-xorg-video-intel 2:2.9.1-4 from Debian unstable makes the problem go away.
I guess the same as #28295? I'll mark this as a duplicate, as 28295 has more info. *** This bug has been marked as a duplicate of bug 28295 ***
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