I recently acquired an old PowerMac G5 that has an AGP GeForce 6800 Ultra (NV40) in it. I put debian stretch (testing) on it and am having issues getting the 6800 Ultra working with nouveau.
Software versions: linux: 4.4.0 (powerpc) libdrm: 2.4.65 mesa: 11.0.8 nouveau: 1.0.12 On boot when the system starts Xorg I get an initially black screen that finally changes to a screen that has distorted multicolored bars in the screen. Two interesting lines from dmesg: [ 25.965156] nouveau 0000:f0:10.0: gr: intr 00100000 [ERROR] nsource 00000010 [LIMIT_COLOR] nstatus 04000000 [PROTECTION_FAULT] ch 1 [0008e000 Xorg[847]] subc 4 class 009f mthd 0308 data 04380780 [ 67.550355] nouveau 0000:f0:10.0: DRM: GPU lockup - switching to software fbcon Full dmesg: http://pastebin.com/WhfMbu9M Full Xorg.0.log: http://pastebin.com/2nn4CVkx lspci -v: http://pastebin.com/wRK9PwdZ Please let me know if there is any other information that would be helpful. I hope someone has some ideas of what to try next. Thanks in advance for everyone's time! Logan
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