Powermac G5 7,2 Nvidia GeForce 6800 GT graphics issues

l have installed Jessie 8.0.0 on this Powermac G5 7,2 with an Nvidia GeForce 6800 GT, next I installed Peter Saisanas' 4.5.0-rc2 kernel. Finally I upgraded to testing.

When I boot and ssh into the machine I get this at the end of dmesg.

[ 17.394681] cfg80211: (5490000 KHz - 5730000 KHz @ 160000 KHz), (N/A, 2000 mBm), (0 s)

[ 17.395263] cfg80211: (5735000 KHz - 5835000 KHz @ 80000 KHz), (N/A, 2000 mBm), (N/A)

[ 17.395840] cfg80211: (57240000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 0 mBm), (N/A)

[ 18.923368] sungem_phy: PHY ID: 2062e0, addr: 1

[ 18.923640] gem 0001:04:0f.0 eth0: Found BCM5421-K2 PHY

[ 19.773013] nouveau 0000:f0:10.0: gr: intr 00100000 [ERROR] nsource 00000010 [LIMIT_COLOR] nstatus 04000000 [PROTECTION_FAULT] ch 1 [0008e000 Xorg[874]] subc 4 class 009f mthd 0308 data 038405a0

[ 22.535201] gem 0001:04:0f.0 eth0: Link is up at 1000 Mbps, full-duplex

[ 22.535328] gem 0001:04:0f.0 eth0: Pause is enabled (rxfifo: 10240 off: 7168 on: 5632)

and frozen checkerboard graphics.

I tried to boot with nouveau.noaccel=1 but with LightDM I get a blank screen. I have also tried installing XDM and with nouveau.noaccel=1 I can get to a desktop and log in, but the colors are all wrong.

Any suggestions?

Thanks

Scott Thompson

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