Hello~ be nice day~
when 'iwconfig ath0 options,
if config 'iwconfig ath0 option1' and 'iwconfig ath0 option2' and 'iwconfig
ath0 option3' and ....., no problem.
but if config ' iwconfig ath0 option1 option2 option3 option4', system down.
no dmesg message.
driver version is Nov, 2007. atheros chipset is 5414chipset. Options are
'essid kkk', 'mode ad-hoc', 'channel 161', 'rate ...'.