[Bug 105173] [MCP79][Regression] Unhandled NULL pointer dereference in nvkm_object_unmap since kernel 4.15 - bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [Bug 105173] [MCP79][Regression] Unhandled NULL pointer dereference in nvkm_object_unmap since kernel 4.15
Date: Wed, 21 Feb 2018 17:31:59 +0000	[thread overview]
Message-ID: <bug-105173-8800-MjopFDwVgi@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-105173-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>

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

--- Comment #5 from Pierre Moreau <pierre.morrow-GANU6spQydw@public.gmane.org> ---
(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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