[Bug 259019] kld_list="radeonkms" in /etc/rc.conf -> kernel panic

From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 10 Oct 2021 12:31:47 UTC

--- Comment #2 from donaldcallen@gmail.com ---
This is changing again, as more experience is gathered.

At the suggestion of a couple of people who have contributed to a thread about
this issue, I installed the xf86-video-ati X driver. That driver was not
installed on my system when the crashes I have described here occurred. There
is no mention in the documentation that this is required, nor is the X driver a
dependency of the drm-kmod port or package.

Since doing this, I have rebooted my system several times without incident and
with correct resolution in X. The radeonkms kernel module is also installed,
loaded by kld_list="radeonkms" in rc.conf.

Given the crash free performance of my system through multiple reboots, it's
beginning to look like the bug is that installation of drm-kmod, either as a
port or a package, does not depend upon the corresponding X drivers
(xf86-video-intel, -ati, -amd) and should.

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