[Nouveau] [Bug 69488] GF108 (NVC1) GPU lockup

Fri Sep 27 09:12:05 PDT 2013

https://bugs.freedesktop.org/show_bug.cgi?id=69488
--- Comment #8 from Kevin N. <vekinn at gmail.com> ---
Works in discrete mode.
Probably unrelated but I can manage to make it lock up in Optimus configuration
if I plug in displayport while Xorg is running.
I see this in journalctl
Sep 27 08:57:46 sawako kernel: nouveau .&checktime(0000,01,00,':').0: Refused to change power
state, currently in D3
Sep 27 08:57:47 sawako kernel: nouveau .&checktime(0000,01,00,':').0: Refused to change power
state, currently in D3
Sep 27 08:57:47 sawako kernel: nouveau .&checktime(0000,01,00,':').0: Refused to change power
state, currently in D3
If I start the laptop with it already plugged in displayport works and it
doesn't lock up. But I noticed that if I turn off the DP-1 and unplug it, the
card never powers down.
0:IGD:+:Pwr:.&checktime(0000,00,02,':').0
1:DIS: :DynPwr:.&checktime(0000,01,00,':').0
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