Re: nvidia driver crash

From: Alexey Dokuchaev <danfe_at_freebsd.org>
Date: Thu, 20 Jan 2022 14:50:24 UTC
On Thu, Jan 20, 2022 at 04:07:33PM +0200, Andriy Gapon wrote:
> I've just got a kernel crash in the nvidia driver code on stable/13.
> The crash seemingly has to do with freed memory ('deadcode' seen in the
> register dump), but it is hard to tell anything beyond that as the
> crash is in the proprietary code.
> 
> (kgdb) bt
> ...
> #8  0xffffffff829ccc90 in _nv035888rm () from /boot/modules/nvidia.ko
> #9  0xfffff803cf6cb808 in ?? ()
> #10 0xfffffe021a9a5f18 in ?? ()
> #11 0xfffff80253624190 in ?? ()
> #12 0xffffffff829ca95e in _nv014658rm () from /boot/modules/nvidia.ko
> #13 0x0000000000000000 in ?? ()

I think I've seen a similar backtrace, cf. PR 251015, comment #9:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=251015#c9

> Is there a way to report this to nvidia?
> If (and that's a big if) they have FreeBSD support then maybe they'll
> be able to find out more details.

There is a link to their forums; unfortunately, these days we don't have
liaison like Chris Zander, so I'm not sure how to expedite the problem.

./danfe