Bug#681254: xserver-xorg-video-radeon: HD 6450 video card not properly recognized / supported

[Michel Dänzer]

On Mit, 2012-07-11 at 13:59 -0400, Gary Dale wrote: 
> 
> DRM Information from dmesg:
> ---------------------------
> [    0.000000] No AGP bridge found
> [    0.000000] No AGP bridge found
> [    2.160898] PCI-DMA: Disabling AGP.
> [    2.160985] PCI-DMA: Reserving 64MB of IOMMU area in the AGP aperture
> [    2.456450] Linux agpgart interface v0.103

Looks like something is preventing the radeon kernel driver from
loading / initializing. Make sure the radeon kernel module isn't
blacklisted, e.g.

The X radeon driver can't work without the corresponding kernel driver
on your card, which probably also explains the resolution problem.


-- 
Earthling Michel Dänzer           |                   http://www.amd.com
Libre software enthusiast         |          Debian, X and DRI developer