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Re: Re: Power Mac G5: Attempting to get 2D acceleration with nouveau and 6800 Ultra

Hello ,

i am on a fresh install of Debian Wheezy kernel 3.2 on Powermac G5 Dual (model 7,3) with Radeon 9600XT - very nice.

atm i am compiling Mpv player

Can someone please give me a hint how to enable sound on this machine?



ps. i won a Nvidia Ultra 6800 Dual - will i be able to use on this Powermac g5 in conjunction with Linux?

Zitat von Logan Anteau <logan.anteau@gmail.com>:

Hi Peter,

Yes you're right, I did reach out to the Nouveau mailing list. So far I
haven't received any replies on that. I have spoken in #nouveau to
"imirkin" and he has not had many ideas. He poked "skeggsb" about it, but
never received much of a response from him..

I have only one monitor connected currently. I'm 95% sure that you're
right, this is the GeForce 6800 Ultra DDL. Thanks for that link, pretty
interesting stuff. This machine is neat because it is kind of a unicorn,
but clearly that is causing me trouble with nouveau.

I tried your suggestion of booting with nouveau.duallink=0. That didn't
help and I still got the Xorg.log message of both DVI outputs being
connected. Here's my current Xorg.log:


Please please please keep the suggestions coming if you have them!


On Wed, Jan 27, 2016 at 7:28 AM, Peter Saisanas <psaisanas@gmail.com> wrote:

Hi Logan,

I was hoping that you would reply, i'm curious what your issue is with
I did see that you have placed a message on the nouveau mailing list, good

For others interested on the Debian PPC mailing list, i have copied the
link to your message on the nouveau mailing list which you have included an
xorg log.
Link Below:

Looking at your xorg log, how many displays do you actually have
connected? one or two displays?

[    25.454] (II) NOUVEAU(0): Output DVI-I-1 connected
[    25.454] (II) NOUVEAU(0): Output DVI-I-2 connected

According to your log, nouveau seems to believe you have two DVI ports
occupied? Is this actually correct or has nouveau somehow gotten confused?

I have found this interesting page about the Geforce 6800 Ultra DDL. is
this the model GPU used in your Powermac G5?
Link Below:

Maybe, just maybe, could the dual-link TMDS nouveau module option (which
apparently is enabled by default), possibly be screwing around with the
screen detection for some reason?

If possible, could you please try disabling the nouveau dual-link TMDS
module parameter option and let me know what happens.

parm:           duallink:Allow dual-link TMDS (default: enabled) (int)

Looking at your all of your logs, it seems like nouveau should work, what
i mentioned above could possibly be your last hurdle to ppc nouveau nirvana!

Please humour me!


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