VIA driver cannot work properly in 1280x1024 at 24 mode
thomas at tungstengraphics.com
Wed Jan 24 23:43:07 PST 2007
Gregory Smirnov wrote:
>Tested on system with CLE266 chipset. Applications that can draw on whole
>screen, eg. web browser, cannot be rendered properly. Resulting picture is
>different, but mostly white areas instead of widgets and window decorations.
>However widgets will be redrawn properly on mouse over event. Please note
>that this is for full screen applications on big resolution and 24bbp. If
>same application is resized to use approximately 800x600 it is rendered
>properly. Some times I noticed that area of (lets call it main screen) about
>1024x768 (aligned top-left) is duplicated on right and bottom sides of whole
>When I start same system with resolution 1280x1024 at 16bbp - everything
>renders properly. It looks like some memory management problem in the driver.
There are some memory management problem with the xorg VIA driver
together with EXA. What acceleration architecture are you using?
I intend to update the xorg via driver thoroughly in the not too distant
Meanwhile you can check out the development trees at either
http://www.openchrome.org (If you need EXA w render accel, Accelerated
http://unichrome.sourceforge.net (If you don't)
More information about the xorg