Corrupted or no display with KMS (Radeon HD3470)

[Alex Deucher]

On Mon, Oct 19, 2009 at 11:11 AM, Reinout van Schouwen
<reinout at gmail.com> wrote:
> Hi all,
>
> FYI I filed this bug in Mandriva bugzilla. Are these symptoms known? Any
> additional info I should provide?
>
> https://qa.mandriva.com/show_bug.cgi?id=54708
>
> Description of problem:
> I installed mesa 7.6, kernel-tmb-laptop-latest and x11-driver-video-ati from
> main/testing.
> According to instructions I added "options radeon modeset=1" to
> /etc/modprobe.conf.
>
> After reboot, I either get a blank screen or a screen with colored stripes on
> it. The console reacts to blindly typed commands but otherwise the machine is
> unusable.

Looks like it may be similar to bug 21643:
http://bugs.freedesktop.org/show_bug.cgi?id=21643

Please attach your xorg log and dmesg if this fits your symptoms.

Alex