Q: 'MacModel' replacement for radeon driver?

[Alex Deucher]

On Wed, Jan 30, 2013 at 1:18 PM, Albrecht Dreß <albrecht.dress at arcor.de> wrote:
> Am 28.01.13 16:48 schrieb(en) Alex Deucher:
>
>> We've checked all the relevant registers, dumping regs from OS X won't
>> help.  Perhaps the KMS driver is trying to point the display at an invalid
>> MC address or something like that.  Others have reported r1xx/r2xx radeons
>> working ok with KMS so it may be something mac or ppc specific.
>
>
> IOW, you don't see a realistic chance to get it working (again) on my box?
> I.e. my only chance for accelerated graphics would be re-installing an
> old(er) Ubuntu (or Squeeze might work, too, as everything is a little older
> there)?

You could try and bisect if KMS used to work at some point in the
past.  I've recently seen reports from others of r1xx cards working ok
at least on x86.

Alex