[Bug 287165] drm/pseudofs panic in radeonkms.ko

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 30 May 2025 20:31:35 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=287165

--- Comment #7 from Steve Kargl <kargl@FreeBSD.org> ---
(In reply to Marek Zarychta from comment #6)
The full updating dance for me

% cd /usr/ports
% git pull -ff
% cd ../src
% git pull -ff
% make -j7 buildworld
% make -j7 buildkernel
% make installkernel
<reboot to single user>
# mount -a
# etcupdate -p
# make installworld
# etcupdate -B 
# make delete-old
# vi /etc/rc.conf (comment out kld_list)
# sync
# reboot
% pkg delete -f drm-515-kmod
% pkg delete -f gpu-firmware\*
% cd /usr/ports/graphics/drm-515-kmod
% make -j7 && make install && make clean
% cd ../gpu-firmware-radeon-kmod
% make -j7 && make install && make clean
% vi /etc/rc.conf (restore kld_list)
% shutdown -r now

Log in run startx, watch system panic.

The panic occurs with both a custom kernel and GENERIC.
In an odd twist of fate, the kernel crash dump that I 
have was the first time the system panicked.  With all
other panics, the system simply hangs with a Black screen
and hitting the reset button is required.

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