Comment 145 for bug 745608

(In reply to comment #43)
> I can confirm that the issue is still occurring (and is reproducible within 30
> seconds using the original steps) in the Fedora 17 and Ubuntu 12.04 betas
> (which are using v2.18 and v2.17 of the intel driver).

This issue is also reproducible with xserver-xorg-video-intel 2:2.19.0-4.

> The DebugWait option still resolves the problem too.

I just tested that and it also seems – only one try – to solve this problem on my Eee PC 701 4G system.

> None of the other options (DebugFlushBatches or DebugFlushCaches true,
> Tiling false) resolve the issue.
>
> Using xorg-edgers ( https://launchpad.net/~xorg-edgers/+archive/ppa ) and
> sarvatt's intel-sna branch ( https://launchpad.net/~sarvatt/+archive/intel-sna
> ) also resolves the issue.

Does that automatically enable SNA? Can you just try the intel-sna? In (at least) 2.19.0 you can also enable SNA by an option to the driver (in Debian).

    $ more /etc/X11/xorg.conf.d/99-custom.conf
    Section "Device"
         Identifier "Device0"
         Driver "intel"
         Option "AccelMethod" "sna"
    EndSection