Bug#755673: xserver-xorg-video-intel: Screen flickering with Xorg 1.16

[Maarten Lankhorst <maarten.lankhorst@canonical.com>]

op 22-07-14 11:16, Bernhard Schmidt schreef:
> Package: xserver-xorg-video-intel
> Version: 2:2.99.912+git20140719-1~exp1
> Severity: normal
>
> Dear Maintainer,
>
> I have been a happy user of the experimental intel drivers because they
> fix a couple of annoyances for me. However since the upgrade of
> xserver-xorg to 2:1.15.99.904-1 I experience heavy flickering (Windows
> seems to switch between two versions of the window content).
>
> The problem is especially noticable in RDP sessions (Remmina) and in
> Thunderbird/Icedove. In Icedove's message list it behaves like a messed
> up scroll wheel.
>
> The problem can be observed in 2:2.99.912+git20140705-1~exp1+b1 and
> 2:2.99.912+git20140719-1~exp1, downgrading to 2:2.21.15-2+b2 fixes the
> problem. I have been running the experimental drivers for a couple of
> weeks before Xorg 1.16 and cannot remember that issue.
>
> Best Regards,
> Bernhard
>
Smells like https://bugs.freedesktop.org/show_bug.cgi?id=81551

Can you give the patch there a try?

~Maarten