Major stability issues with xf86-video-intel 2.2.0 when using Xv

[Rémi Cardona]

Hi all,

We've recently updated the intel driver to 2.2.0 in Gentoo and while the
overall experience is fine, Xv support on my 855 had major regressions
since 2.1.1

Usually, playing a video will crash X at some point without any user
input (after something like 10 to 20 minutes). If I touch the video
program - totem or mplayer in my trials - like minimizing or putting
another window in front of it, or switching VT, then X will crash a few
seconds to a few minutes after restarting playback. (or even
instantaneously if the video is still running)

Most of the time, only X crashes (with a randomly colorful screen) but
sometimes X will freeze the whole machine.

Attached is a Xorg log of one of my many crashes. It's the only log I
managed to get, since all other crashes produced no output whatsoever.

What's changed wrt Xv support since 2.1 on 855? Are there any
alternatives to git-bisect to help find the change?

Cheers,

-- 
Rémi Cardona
LRI, Université Paris-Sud
remi.cardona at lri.fr
remi at gentoo.org
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