BUILD_OK
DF-3813: open /dev/mpr0: No such file or directory — no SAS3 controller present, cannot exercise mpr_wait_command()
run_rc=1
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
		142 pci/mpr