Re: Need help to make a Radeon HD6970 to work on a G5
Hi Link,
On Wed, 2024-09-11 at 19:44 -0300, Link Electronics wrote:
> I would like to thank Adrian Glaubitz in advance for his many years of
> continuing to support the PowerPC platform on Debian Linux.
You're very welcome. I'm glad it's useful to you.
> I have a PowerMac G5 Late 2005, been using it for a few months now and was
> using the geforce 6600LE video card that came with it, I compiled some projects
> like DevilutionX, SpaceCadet Pinball, Nblood, Sonic decompilation games Mupen64plus
> etc and made them run with the geforce, but the performance is bad.
Good to hear that lots of the stuff actually works.
> Few days ago I changed it to a Radeon HD6970, it's a Cayman XT, I have the
> xserver-xorg-video-radeon and ati installed, but when loading LightDM or XFCE4,
> the image crashes with artifacts, I can switch to a tty console, in dmesg radeon
> says GPU lockup in ring 0 several times and in the end there is an error in
> drm:v1_0_ib_test and drm:radeon_ib_ring_tests, listing in lspci -k , it says
> kernel in use: radeon and kernel modules: radeon, amdgpu.
This may or may not be a bug in the radeon or amdgpu drivers. I assume they are
rarely tested on big-endian targets.
> I'm using linux-image-6.10.9-powerpc64 (4kb pagesize?)
Yes, that's the 4k pagesize kernel. The 64k pagesize kernel has the -64k suffix.
> I can make the screen work with the framebuffer but no hw acceleration then.
> What can I do to try to resolve this?
Can you try to gather more information from the logs, i.e. the Xorg.0.log file?
Thanks,
Adrian
--
.''`. John Paul Adrian Glaubitz
: :' : Debian Developer
`. `' Physicist
`- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
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