Bug#664578: xserver-xorg-video-radeon: Screen/memory corruption with RS690M (X1200) when scrolling in applications
daenzer at debian.org
Mon Mar 19 02:02:19 PDT 2012
On Mon, 2012-03-19 at 01:01 +0100, Josselin Mouette wrote:
> I’ve experienced screen corruption on my RS690M for quite a while; I
> should have reported that earlier, but waited for new versions of the
> driver; and while the symptoms have been evolving with the driver
> version, the main problem is still here.
> Frequently, when I scroll in some applications (like nautilus or
> epiphany), the screen becomes completely garbled. It seems to happen
> when scrolling with the wheel in applications that are slow to redraw
> (maybe when a redraw is triggered when the previous one is not
> complete); this never happens when scrolling in evolution, xchat,
> empathy or terminal windows, which are very fast to render, for example.
> This doesn’t happen when scrolling slowly, waiting between each
> keypress, either.
> Parts of the screen get better while being redrawn, but switching
> workspaces is not enough. Things like the desktop or the panel
> background remain garbled until I kill the nautilus/gnome-panel
> processes. Often, some font glyphs are garbled too, and all instances of
> a given glyph for a given font/color/size combination remain garbled the
> same for a while.
> [ 20.683347] [drm] Detected VRAM RAM=384M, BAR=256M
Looks like https://bugs.freedesktop.org/show_bug.cgi?id=35457 .
Apparently there's something wrong with the way we deal with Sideport
Earthling Michel Dänzer | http://www.amd.com
Libre software enthusiast | Debian, X and DRI developer
More information about the xorg-driver-ati