I recently upgraded a system of mine with an Atheros AR9280 to FreeBSD 8.1-RC2. Upon booting, the system log keeps getting appended with entries that state:

ath0:  bb hang detected (0x80)
and
ath0: ath_chan_set: unable to reset channel X (XXXX, flags 0x480), hal status 3
where X and XXXX cycle through the various channels and frequencies.

The associated wlan device is unable to associate with the wireless access point.

Let me know if there's any other information I can provide. This card was experienced occaisional lockups in 8.0-RELEASE, and will only associate with the ath driver if the driver is compiled into the kernel - loading via a module would not work.

I'm posting this here because I saw Ken Smith's comment about recent AR9280 regression and fixes on this branch.

Thanks,

- Craig
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