Created attachment 74957 [details]
lspci, xorg log and glxinfo

With my VTX3D Radeon HD 6570 card the entire screen content is corrupted, see
the images and video. The proprietary AMD driver works fine.
This problem is nothing new, I've seen it since I got the card with Ubuntu
12.04, 12.10 and now 13.04 (+xorg-edgers-ppa).

http://steve-m.de/pics/radeon_artifacts.png
http://steve-m.de/pics/radeon_corruption.ogv

Also see the attached logfiles.

Priority	medium
Bug ID	60981
Assignee	dri-devel@lists.freedesktop.org
Summary	dri/r600: severe screen corruption with Radeon HD 6570
Severity	major
Classification	Unclassified
OS	Linux (All)
Reporter	steve@steve-m.de
Hardware	Other
Status	NEW
Version	git
Component	Drivers/DRI/R600
Product	Mesa