[Nouveau] [Bug 92504] [NVA5] Corruption in Plasma 5 on resume after changing screen configuration

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92504

--- Comment #14 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to Alexander Schlarb from comment #13)
> I hope this is more useful :-)

*MUCH* more useful.

[   91.919550] bo valid domains: 2
[   91.919557] valid domains:    4
[   91.919559] read domains:     0
[   91.919560] write domains:    4
[   91.919565] nouveau 0000:01:00.0: plasmashell[2578]: fail set_domain
[   91.919569] nouveau 0000:01:00.0: plasmashell[2578]: validating bo list
[   91.919587] nouveau 0000:01:00.0: plasmashell[2578]: validate: -22

So bo->valid_domains == VRAM, but we're trying to write to it via GART. Hmmmm.

I'm going to try to come up with a patch that figures out the gpu va of the bo
in question... hopefully that will provide further hints in conjunction with
the pushbuf dump.

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