DragonFly dfbsd 6.5-DEVELOPMENT #0: Thu Jul  2 06:02:54 UTC 2026 root@dfbsd:/usr/obj/usr/src/sys/X86_64_GENERIC x86_64
QEMU qemu-system-x86_64 -enable-kvm -m 4096 -smp 6 (std VGA, no VESA, no KMS/EFI)
console: sc0: VGA <16 virtual consoles, flags=0x100>; vga0 <Generic ISA VGA>
/dev/ttyv*: crw------- root:wheel (0600)
kldstat: no vesa.ko, no drm/kms modules; kernel X86_64_GENERIC
sysctl hw.vesa: unknown oid (no VESA)
stress ran as root via ssh (sshd session, not on ttyv); the same ioctls are
reachable unprivileged by any process holding a writable /dev/ttyvN fd
(console login session on stock setups).