[Bug 39282] radeon HD6790 (barts) card produces black+white horizontal stripes on screen when launching Xorg

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=39282

--- Comment #26 from Florian Evers <florian-evers at gmx.de> 2011-11-28 01:38:41 PST ---
Hi,

after some days of using the value 0x55555555, I can tell you that I did not
see any GPU lockups anymore. Unfortunately, the remaining glitches and
artifacts make the system unusable for a productive environment.

* If you "use" the system, after some minutes more and more glitches appear.
For example, the taskbar converts to "noise-only". Then, more and more widgets
start to contain noise, and you'll have to shutdown X and restart it.

* Screenshots do not work. The created PNG is just black.

* The "RMB-context menu" shows only text and icons, but no surrounding window.

* You see some icons in the taskbar, but not all.

* If you place your mouse cursor over an icon in the taskbar, the icon
disappears.

* Shutting down KDE crashes "kwin"... might be a different issue.

The goodies:
* KDE works
* Transparency and the desktop effects are working :-)
* I know that my graphics adapter is not defect :-D

Regards,
Florian

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