ifcoffig -a [-b] [-m  [-d] [-u] [-v] [-z] [ af ]
       ifconfig -l [-b] [-d] [-u] [-s]
       ifconfig -C
       ifconfig interface create
       ifconfig interface destroy
$ panic: wi0: invalid channel 12

Stopped at      netbsd:cpu_Debugger+0x4:        popl    %ebp
db> trace/u
cpu_Debugger(c0508200,c0345dec,c0520034,c0345e4c,c0156497) at netbsd:cpu_Debugge
r+0x4
panic(c02953e8,c052001c,c,c0520000,c5df8) at netbsd:panic+0xa9
wi_newstate(c0520034,4,ffffffff,c0520034,4) at netbsd:wi_newstate+0x149
wi_watchdog(c0520034,4,0,c0345e98,c01c3def) at netbsd:wi_watchdog+0x103
if_slowtimo(0,c04b9c00,c02fdda0,c02ba760,c0345eb0) at netbsd:if_slowtimo+0x47
softclock(0,0,c0100c1c,c04b7e00,c04b7280) at netbsd:softclock+0x1dc
softintr_dispatch(0,c0340010,30,10,80010010) at netbsd:softintr_dispatch+0x9b
Xsoftclock() at netbsd:Xsoftclock+0x25
--- interrupt ---
cpu_switch(c02f8f40,0,1,0,0) at netbsd:cpu_switch+0x9f
ltsleep(c02f8da0,4,c029a78a,0,0) at netbsd:ltsleep+0x1da
uvm_scheduler(c02f8d80,1,c0341010,341000,34a000) at netbsd:uvm_scheduler+0x76
check_console(0,0,0,0,0) at netbsd:check_console
db> 


dmesg:
wi0 at pcmcia0 function 0: Lucent Technologies, WaveLAN/IEEE, Version 01.01
wi0: 802.11 address 00:02:2d:8b:24:07
wi0: using Lucent Technologies, WaveLAN/IEEE
wi0: Lucent Firmware: Station (8.72.1)
wi0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps