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[NV50] Freezes with RT_FAULT and RT_LINEAR_MISMATCH

Sorry for another type of freezes.

When running gtk4-demo, I got new freezes. The screen freeze begins at 'janv. 28 22:02:28' with :

nouveau 0000:01:00.0: gr: TRAP_PROP - TP 0 - 00001000 [RT_LINEAR_MISMATCH] - Address 0000000000

(at least, that was the time on the screen).

But there are some messages starting few minutes ago 'janv. 28 21:57:10' :

nouveau 0000:01:00.0: gr: TRAP_PROP - TP 0 - 00000040 [RT_FAULT] - Address 000022b000

I could reboot with ssh at 22:10 as the freeze didn't seem to recover.

Kernel log attached.kernel-2021-01-28.log

It's a linux-rt 5.10.8 kernel (already patched with issue #14 (closed)).

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