(In reply to comment #8)
> I can confirm the bug here, I have also an ATI X1900GT, from Sapphire. I've
> been receiving this from multiples distributions so it's not a specific bug of
> Ubuntu.
I can confirm the same bug with a fully updated (as of yesterday) Arch installation running KDE. The vesa driver works as expected, but the radeon driver gives a black screen with artifacts. I have a Sapphire X1900 as well. Adding the following to the "Device" section in xorg.conf gives a semi-usable desktop with windows that don't redraw properly:
(In reply to comment #8)
> I can confirm the bug here, I have also an ATI X1900GT, from Sapphire. I've
> been receiving this from multiples distributions so it's not a specific bug of
> Ubuntu.
I can confirm the same bug with a fully updated (as of yesterday) Arch installation running KDE. The vesa driver works as expected, but the radeon driver gives a black screen with artifacts. I have a Sapphire X1900 as well. Adding the following to the "Device" section in xorg.conf gives a semi-usable desktop with windows that don't redraw properly:
Option "DRI" "off"
Option "AccelMethod" "XAA"