fresh install of today's daily build of natty on same hardware...
I created a file to implement comment #6 automatically
/etc/modprobe.d/atheros-workaround.conf (file contains one line)
options ath5k nohwcrypt=1
on upgraded natty the network worked after a several-minute delay, on fresh install so far it is taking longer but ultimately working
fresh install of today's daily build of natty on same hardware...
I created a file to implement comment #6 automatically
/etc/modprobe. d/atheros- workaround. conf (file contains one line)
options ath5k nohwcrypt=1
on upgraded natty the network worked after a several-minute delay, on fresh install so far it is taking longer but ultimately working