[Bug 237544] graphics/drm-fbsd12.0-kmod: panic on 12-STABLE with Radeon HD 7450 (but not with drm-fbsd11.2-kmod)

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 28 Dec 2021 12:34:20 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=237544

Alexey Dokuchaev <danfe@FreeBSD.org> changed:

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                 CC|                            |danfe@FreeBSD.org

--- Comment #8 from Alexey Dokuchaev <danfe@FreeBSD.org> ---
(In reply to Bill Paul from comment #7)
> my patched version of the drm-fbsd11.2-kmod port for FreeBSD 12.3
Thanks Bill, that could be quite helpful.  Ideally graphics/drm-*-kmod ports
should have never been tied to a particular version of *FreeBSD*, but tracked
that of *Linux* instead, so users could choose between e.g. drm-4.11-kmod,
drm-4.16-kmod, or drm-5.4-kmod regardless of whether they're running 12.x or
-CURRENT.

My two-core, ten-year-old desktop at $work with Radeon HD 4350/4550 (RV710) is
running 2019'ish -CURRENT with drm-legacy-kmod-g20190213 and works flawlessly
for many months, rebooting only when there's a power outage.  Both 2D (movies)
and 3D (games) are full and properly accelerated, CPU is mostly idle, I can
e.g. build -jX LLVM and watch some TV show fullscreen with no stuttering --
something I cannot do on the four-core 2018 laptop with recent DRM bits. 
Situation with graphics on FreeBSD had never been worse, AFAIR. :-(

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