[Bug 72621] X crash while video playback in Chrome (with enabled hardware acceleration)

https://bugs.freedesktop.org/show_bug.cgi?id=72621

--- Comment #1 from russianneuromancer@ya.ru --- Created attachment 91307 --> https://bugs.freedesktop.org/attachment.cgi?id=91307&action=edit Xorg log

This crash happen after switch from fullscreen to windowed mode of YouTube HTML5 video player in Firefox with enabled hardware acceleration (about:config option layers.acceleration.force-enabled is set true; on Graphics section of about:support there is 1/1 OpenGL). Like in previous case when that happen image on screen just freeze, but audio playback is continue.

Radeon HD 6620G Linux 3.13-rc5 libdrm 2.4.50 Mesa 10.0.1 xserver-xorg-video-radeon 7.2.0 Xserver 1.14.5-1ubuntu2 Kubuntu 14.04 x86_64 Alpha 1 updated today.