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

cc:
cc 8.3 [DragonFly] Release/2019-02-22

pci (audio/ati/amd absence):
NO_ATI_AMD_AUDIO_PCI_DEVICES

kldstat sound modules:
no_sound_modules_loaded

snd_atiixp probe check (module NOT loaded):
/boot/kernel/snd_atiixp.ko