[Bug 289808] Framwork 16 laptop: in /etc/rc.conf line kld_list="amdgpu" causes crash

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=289808

            Bug ID: 289808
           Summary: Framwork 16 laptop: in /etc/rc.conf line
                    kld_list="amdgpu" causes crash
           Product: Base System
           Version: 14.3-STABLE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: misc
          Assignee: bugs@FreeBSD.org
          Reporter: web@umich.edu

I installed FreeBSD-14.3-STABLE-amd64-20250828-62947e508161-272260-memstick.img
from a thumb drive.After bsdinstall finished, I began to build ports using
portmaster (current count 1085).  Wanting to run x11/xorg and use the Synaptics
rouchpad I read several articles on the internet.  During bsdinstall I was
prompted to install a firmware module supposedly related to this hardware:

gpu-firmware-amd-kmod-aldebaran-20230625.1403505_2

The other key port that I installed/built was: graphics/drm-61-kmod

Then I added this line: kld_list="amdgpu" to my /etc/rc.conf as specified in
the  handbook in sections 5.2 and 5.2.2.  Upon rebooting, the concole window
stopped with a crash and reported a problem with a file "gc_11_0_1_mes.bin"
which I found
here:

/usr/ports/graphics/gpu-firmware-amd-kmod/work-aldebaran/
           drm-kmod-firmware-20230625_8/amdgpukmsfw-files/gc_11_0_1_mes.bin

This file is dated January 12, 2024 and has size of 287712 bytes.

When I comment out that "amdgpu" line in /etc/rc.conf, I am able to
successfully reboot into a running 14.3-STABLE system but am not able to run
X11 windows.

I don't know how to fix this problem.  Thanks in advance.

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