Would you be able to post the full dmesg log? Might help track this one down a bit quicker. I'm assuming you installed a version of Jessie (8.0 - 8.2)?
You updated your yaboot.conf to boot from the new kernel (or you are specifying it from boot yaboot menu at startup)? Thanks, B-rock On Wed, Jan 13, 2016 at 8:49 PM, Logan Anteau <logan.ant...@gmail.com> wrote: > Hey everyone, > > I picked up a dual G5 2.5GHz Power Mac the other day. It has the AGP > NVIDIA GeForce 6800 Ultra card installed. I was hoping to get the nouveau > driver with 2D acceleration working with it, but I have been struggling. > > I stumbled on this article here: > > > http://powerpcliberation.blogspot.com/2015/07/g5-nouveau-2d-acceleration.html > > and recompiled a 3.16.7 kernel from the Debian sources with 4k page sizes > instead of the default 64k kernel page size. I also confirmed that the > system is not using MSI interrupts. > > When I boot, I just get a black screen after the system tries to start > lightdm, a dmesg reveals this: > > [ 28.113131] [drm:drm_edid_block_valid] *ERROR* EDID checksum is > invalid, remainder is 163 > [ 28.113138] Raw EDID: > [ 28.113141] c0 00 00 01 65 d8 ca a0 c0 00 00 01 64 20 60 00 > [ 28.113143] c0 00 00 01 65 7a 0e 00 00 00 00 00 00 00 00 00 > [ 28.113145] c0 00 00 01 64 20 1d 00 00 00 00 00 00 00 00 01 > [ 28.113147] c0 00 00 01 64 17 f0 00 c0 00 00 01 65 d8 ca a0 > [ 28.113149] c0 00 00 01 64 20 50 00 c0 00 00 01 65 5f 05 00 > [ 28.113151] 00 00 00 00 00 00 00 00 c0 00 00 01 64 20 1c e0 > [ 28.113153] 00 00 00 00 00 00 00 01 c0 00 00 01 65 79 f1 00 > [ 28.113155] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > > > and some other messages like this: > > [ 138.991484] nouveau E[Xorg[837]] failed to idle channel 0xcccc0000 > [Xorg[837]] > > Booting with nouveau.noaccel=1 works, but the software 2D acceleration > makes the system unusable. Any suggestions where to go from here? I know > getting an ATI card is the easy way out, but I'd like to get this 6800 > Ultra I have to work if possible. Thanks for your time! > > Logan Anteau >
