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



Peter,

Thanks for your suggestions. Here's a pastebin of my /proc/interrupts:

http://pastebin.com/2ZG4qESD

I'll try one of your newer kernels either tonight or tomorrow when I get time. I believe I tried your 3.8.16 kernel and had other issues with it. Networking didn't work out of the box, the system didn't shut down (only halted) and it hung when trying to start lightdm (I couldn't even ssh into it or get to the ttys through Ctrl+Alt+F1,F2,etc).

I'll give you 4.4/4.3 kernels a try though and report back. Unless you have any intermediate recommendations first.

Logan


On Thu, Jan 14, 2016 at 3:42 AM, Peter Saisanas <psaisanas@gmail.com> wrote:
Hi Logan,
The kernel version is quite old (3.16.7). Perhaps you can try something newer. Nouveau continually has improvements practically with each newer kernel version.

Perhaps something to consider, try the easy way out and use a pre-compiled kernel deb package that i have available. I have kernels as new as 4.4.0 available suitable for Powermac G5's.
At least these could perhaps be a better baseline as these kernels are known to be working for many Powermac G5's (AGP & PCIe GPU's along with a few generations of nVidia GPU's (some even older than yours). Makes it easier to have a side by side comparison.
Your call, link is below if interested.

https://drive.google.com/folderview?id=0B8pqd5Ots1vfT2puX09CYjEwcFk&usp=drive_web

Many have used them successfully in the past and have got their G5 Powermacs running with nouveau.

I'm not so sure that MSI interrupts are ever enabled on AGP GPU's in the first place (PCIe based GPU's are a different story).
It would be interesting to see your cat /proc/interrupts log as well.

Regarding your EDID issue, can you try the other DVI connector of your video card or cable or alternatively try another display out if the issue still persists.

Most Apple OEM ATI Radeon GPU's have their own issues as well. But that's another story.

Regards,
Peter


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