[Bug 247441] graphics/gpu-firmware-kmod and or graphics/drm-fbsd11.2-kmod crashing 11.2 to 11.4 with a Radeon HD 5770 card

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=247441

--- Comment #32 from Scott Bennett <[email protected]> ---
In reply to Graham Perrin in comment #29:
     No, I have not tried 13.0 on my tower, nor do I plan to do so.  Having
actually learned from long and often hard experience, I avoid .0 releases of
most software and especially operating system software.  Also, I just took
advantage of some free time over the holiday weekend to upgrade FreeBSD on this
system from 11.4-STABLE to 12.2-RELEASE and am still reinstalling packages and
ports, so please allow me some time to complete that process and to catch my
breath a bit. :-}
     Once all that has been done, I will try running xorg both with and without
scfb to see what happens.  Quite unexpectedly, I received a hand-me-down at the
T-Day family gathering, a Radeon HD 6970 card.  After I see whether upgrading
has made any difference in gpu-firmware-kmod's behavior or drm-kmod's behavior,
I will replace the Radeon HD 5770 card with the Radeon HD 6970 card and then
try that card both with and without scfb.  My prediction regarding drm-kmod is
that there is no change that will affect the situation of a hung GPU.  As far
as basic, console-mode support for gpu-firmware-kmod is concerned, I suspect
that that will work okay, but whether it, too, will crash within 35 hours is
concerned, I have no idea, but it will be an interesting set of experiments to
run.
     Meanwhile my system is running 12.2-RELEASE without xorg, but also without
obvious problems, other than the previously described memory management
problems, which, I admit, I have not had much time to explore yet, although I
have seen some evidence already that at least some are still present in the
12.2 kernel.  12.3 is due to be released in the next few days, and then I will
have the same problems to explore all over again.  As usual, I expect to wait a
week or two after the release for early problems to be fixed before I proceed
with that upgrade.  Adding to my projected time frame are things like overdue
ZFS pool scrubs, pool upgrades, etc.
     I want to add some thanks here to Pau Amma, who so kindly posted this PR
for me last year.

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