DF-4312 guest hardware-absence evidence (checked 2026-09-19)
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$ uname -a
DragonFly dfbsd 6.5-DEVELOPMENT DragonFly 6.5-DEVELOPMENT #0: Thu Jul  2 06:02:54 UTC 2026
root@dfbsd:/usr/obj/usr/src/sys/X86_64_GENERIC  x86_64
$ pciconf -l | grep -i "amd\|ati\|radeon\|display\|vga"
vgapci0@pci0:0:2.0:  class=0x030000 card=0x11001af4 chip=0x11111234 rev=0x02 hdr=0x00
$ pciconf -l | grep -ci "amd\|ati"
0
=> sole display device is the QEMU std VGA (bochs, chip 0x11111234);
   no AMD/ATI device present; amdgpu.ko has nothing to attach to;
   dcn10_create_resource_pool() (dcn10_resource.c:1482) is unreachable
   at runtime on this guest.