(In reply to comment #20)
> (In reply to comment #17)
> > Does booting with radeon.disp_priority=1 help?
>
> For some reason, passing that option at boot seems to disable KMS on my system.
> I've tried it both without a radeon.modeset declaration, and with
> radeon.modeset=1, and in both cases Xorg.0.log shows KMS to be disabled when
> radeon.disp_priority=1 is on.
If your kernel is too old, the option is not valid and the module won't load. See modinfo radeon to verify.
(In reply to comment #20) disp_priority= 1 help? disp_priority= 1 is on.
> (In reply to comment #17)
> > Does booting with radeon.
>
> For some reason, passing that option at boot seems to disable KMS on my system.
> I've tried it both without a radeon.modeset declaration, and with
> radeon.modeset=1, and in both cases Xorg.0.log shows KMS to be disabled when
> radeon.
If your kernel is too old, the option is not valid and the module won't load. See modinfo radeon to verify.