[Bug 278212] amdgpu / AMD Radeon XT 6900 - kernel panic (page fault) on FreeBSD 14.0-RELEASE-p6

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=278212

Olivier Certner <olce@FreeBSD.org> changed:

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--- Comment #8 from Olivier Certner <olce@FreeBSD.org> ---
(In reply to Tomasz "CeDeROM" CEDRO from comment #3)

Please don't mix up problems that clearly look technically different, even if
your concern is just getting your card working.  The core dumps you've posted
and your scenario seem a priori very different than Jonathan Vasquez's.  In
your dumps, the initial crash occurs from within either
linux_rcu_cleaner_func(), drm_atomic_get_plane_state()/dc_plane_state_retain()
or drm_sched_main().  Also, Jonathan mentions a scenario involving a KMS
(although he hints at other crashes) where the output of the machine crashing
is temporarily disabled, which is nowhere near your own use.  Finally, your
GPUs are different.  IMHO, this confuses things more than it helps, and you
should have instead opened a new bug, provided the problem still exists with
recent FreeBSD and drm-kmod versions.

FWIW, I've never had kernel panics with a RX 580 with various 14-STABLE
versions.  I only have the problem I reported there
(https://github.com/freebsd/drm-kmod/issues/302), which had previously been
reported in bug #277476 (I noticed that today only).

I'll let you read these bugs, but in a nutshell my advice for you would be
first to 14.1 with drm-510-kmod and see how it goes.  Then try the other
drm-kmod packages (drm-515-kmod, drm-610-kmod).  And if that still doesn't
work, try -CURRENT.

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