kern/116185: [iwi] if_iwi driver leads system to reboot

[Marc Olzheim]

> Can you still experience this problem on newer FreeBSD releases?

Something similar, probably related happens on my laptop (HP pavillion
dv6570ed) with a 3945abg chipset. wpa_supplicant can negotiate fine, but
as soon as dhclient runs, the box panics. I haven't had time to set up
proper dumping yet, so alas, I have no detailed information at this
point.

Marc