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 + -device usb-ehci,id=ehci0 -device usb-mouse,bus=ehci0.0
USB: ugen0.2 <QEMU QEMU USB Mouse> at usbus0 (EHCI, HIGH speed)
     /dev/usb/0.2.0 (control endpoint node, used for USB_FS_* ioctls)
unpriv user: maxx uid=1001, operator group, /dev/usb/0.2.* and /dev/usbctl chmod 0660
symbol check: nm -n /boot/kernel/kernel -> usbd_transfer_pending @ 0xffffffff80a54350 (panic RIP 0xffffffff80a5438c = +0x3c, inside)
both panics: guest frozen at db> prompt, hard reset required