F12/Rawhide+nomodset vs. F11 radeon r700 support

"Jóhann B. Guðmundsson" johannbg at hi.is
Tue Jan 5 12:50:21 UTC 2010

On 01/05/2010 01:03 AM, Dennis J. wrote:
> Hi,
> I'm currently trying to find a way to get F12 or Rawhide to work with
> my radeon r770 (4850) based card in a useful way. So far booting them
> just freezes my system and using "nomodeset" results in a desktop so
> slow i can see the windows being redrawn from top to bottom.
> I'm trying all this with F12 and nightly live-cd releases. The system
> is actually running F11 right now which works great with this card out
> of the box.
> My question is does anybody with an r7xx card have similar problems
> and/or knows a way to get the driver in post F11 versions to work the
> same way it does in F11? At the moment there seems to be no upgrade
> path for me with the apparent changes made to the radeon driver.
> I filed a bug about this but it would be great if somebody knew a
> workaround to at least get the same mileage out of F12/Rawhide that I
> get out of F11 (i.e. disable KMS support but still get reasonable
> peformance in X).
> https://bugzilla.redhat.com/show_bug.cgi?id=530784

Could you add on your bug report your smolt profile and the dmesg output
from F11.

Can you disable the onboard graphics card in the bios? 

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