OK, According to swildner this happened due to my misconig where rc.conf *should
have* looked like this:
---------
wlans_iwn0="wlan0"
ifconfig_wlan0="DHCP"
Instead of
------------
ifconfig_iwn0="DHCP"
However such misconfigurations should not panic the kernel.
Also according to swildner this happens to ndis(4) so this is likely a issue in
the actual wifi stack.
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DragonFly issue tracker <bugs@lists.dragonflybsd.org>
<http://bugs.dragonflybsd.org/issue2158>
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