[Bug 206781] GM104 (GeForce 840m) with many errors "fifo: SCHED_ERROR 20"

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=206781

Ilia Mirkin (imirkin at alum.mit.edu) changed:

           What    |Removed                     |Added
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                 CC|                            |imirkin at alum.mit.edu

--- Comment #1 from Ilia Mirkin (imirkin at alum.mit.edu) ---
As mentioned on IRC, the MMIO faults at the start aren't anything to worry
about.

These two I've never seen before:

nouveau 0000:07:00.0: fifo: fault 01 [WRITE] at 0000000000150000 engine 05
[BAR2] client 08 [HUB/HOST_CPU_NB] reason 02 [PTE] on channel -1 [007fd38000
unknown]
nouveau 0000:07:00.0: fifo: fault 01 [WRITE] at 0000000000000000 engine 05
[BAR2] client 08 [HUB/HOST_CPU_NB] reason 0a [UNSUPPORTED_APERTURE] on channel
-1 [007fd38000 unknown]

And the SCHED thing is most frequently due to the ctxsw firmware timing out or
other error. But given the faults above, could easily be follow-on from that.

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