Nouveau - Feb 2018 - [Bug 105173] [MCP79][Regression] Unhandled NULL pointer dereference in nvkm_object_unmap since kernel 4.15

https://bugs.freedesktop.org/show_bug.cgi?id=105173

--- Comment #5 from Pierre Moreau <pierre.morrow at free.fr> ---
(In reply to Nick Lee from comment #4)
> (In reply to Pierre Moreau from comment #3)
> > I’ll try to reproduce the issue on my laptop
> 
> I tried reproduce this bug from
> openSUSE-Tumbleweed-GNOME-Live-x86_64-Snapshot20180219-Media.iso 
> kernel-4.15.4-default
> session x11
> not reproducible.
> 
> But reproducible from
Fedora-Workstation-Live-x86_64-Rawhide-20180219.n.0.iso
> 
> Did you reproduce it?
I tried running supertuxkart on my MCP79 (9400M), got some artefacts, but it
did not freeze; the only error I got was “nouveau 0000:03:00.0: fifo:
CACHE_ERROR - ch 1 [DRM] subc 0 mthd 0060 data 80000002”.

Which version of Mesa, xf86-video-nouveau (or modesetting) did you have in
those tests?

For reference, I have:
Linux: 4.15.4
Mesa: 17.3.5
xf86-video-nouveau: 1.0.15
xorg-server: some 1.19.6 snapshot

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