[Nouveau] [Bug 101764] [regression] eaa2c988033b breaks GTX1050TI (GP107 / NV137)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101764

--- Comment #3 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Jul 11 16:14:59 endless kernel: nouveau 0000:01:00.0: bus: MMIO read of
00000000 FAULT at 409800 [ TIMEOUT ]
Jul 11 16:15:01 endless kernel: ------------[ cut here ]------------
Jul 11 16:15:01 endless kernel: WARNING: CPU: 1 PID: 11134 at
/usr/src/packages/BUILD/linux-4.11.0/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c:1499
gf100_gr_init_ctxctl_ext+0x3cc/0x7f0 [nouveau]
Jul 11 16:15:01 endless kernel: nouveau 0000:01:00.0: timeout

So it's having trouble loading the firmware. Please confirm that you have the
latest firmware for gp107 (as there was a window of time when linux-firmware
contained bad firmware for gp107 -- some time ago now already, but you could
have a bad snapshot).

I believe I've seen this before though, also on a laptop. I see that it's using
the fancy new thing instead of ACPI DSM for powering it on:

Jul 11 16:14:58 endless kernel: VGA switcheroo: detected Optimus DSM method
\_SB_.PCI0.PEG0.PEGP handle
Jul 11 16:14:58 endless kernel: nouveau: detected PR support, will not use DSM

Can you try to boot in a way that forces the ACPI stuff to be used? I think
pcie_pm_port=off is the thing. And nouveau.runpm=0 for good measure.

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