Bug#481529: xserver-xorg-video-radeon: (strange?) workaround for video not synced

[Alex Deucher]

On Sun, Aug 16, 2009 at 6:22 AM, Dimitri Chausson<tri2000 at gmx.net> wrote:
> Package: xserver-xorg-video-radeon
> Version: 1:6.9.0-1+lenny4
> Severity: normal
>
> *** Please type your report below this line ***
> Hello,
>
> The symptoms I had were: I was forced to explicitly switch off DRI b/c the
> screen was not readable anymore.
> I have now 3 items:
>
> - By chance I discovered that when switching back to text console and back again
>  to X solved the problem. The screen is readable again ! I cannot explain it,
>  but maybe some of you guys have an idea? So I removed the line
>  'Option "DRI" "off" from my config.
>
> - I applied the trick from bug 449211. Setting this DisplayPriority option to
>  "BIOS" has the positive effect that the screen is readable without having to
>  switch back and forth from text mode. So this option seems to be useful for
>  me (note I am using the same card : 9200 SE)
>
> - However, DRI is still disabled (automatically), and I have no clue why... Any
>  help would be greatly appreciated. I propose to file another bug "no DRI with
>  radeon 9200 SE", or is there a more appropriate subject ?

Can you post your dmesg?

Alex