DF-2540 / env.txt
DragonFly dfbsd 6.5-DEVELOPMENT #0: Thu Jul 2 06:02:54 UTC 2026 x86_64 cc 8.3 [DragonFly] Kernel: X86_64_GENERIC (INVARIANTS ON, default) QEMU chipset: Intel 440FX / PIIX3 (NO AMD SB600/SB7xx southbridge) /dev/amdsbwd: ABSENT (device does not attach — amdsbwd_identify finds no AMD SMBus PCI device at 0:20:0) amdsbwd.ko: exists in /boot/kernel but does not attach (no HW) kern.watchdog.period: present (root-writable), but no amdsbwd callback registered