"ath0: device timeout" when environment is clear

[Adrian Chadd]

2012/2/2 Lev Serebryakov <lev at freebsd.org>

> Hello, Freebsd-wireless.
>
>  Today something strange happens: my noisy environment becomes clear
>  for several hours and my WiFi connection to notebook gives 2.5MiB/s
>  of real file transfer. But I was unable to copy 2GiB file in one
>  piece: ath0 on AP gives "device timeout" every 3-4 minutes!
>
>  When environment is really noisy (as usual), I have only
>  400-500KiB/s of real file transfer, but "ath0: device timeout"
>  occurs only 1-2 times a day or even less.


Are you using 11n?

There may be some more TX handling issues that show up as "device timeout"
but arent' really that.


adrian