ath: tx-rate stops adapting after a while

[Petar Bogdanovic]

On Fri, Apr 22, 2011 at 08:28:33AM +0800, Adrian Chadd wrote:
> On 22 April 2011 06:25, Petar Bogdanovic <petar at smokva.net> wrote:
> >
> > I'm running FreeBSD 8.1-RC2 on an ALIX board equipped with a Wistron CM9
> > minipci card.  The box works pretty well but has some troubles with the
> > only NetBSD 5.1 station in this network:  After a while, it simply stops
> > adapting the tx-rate to the particular station and locks it at 11M/DS11.
> >
> >
> Do you have two antennas attached to the CM9 card?

Yes, both connectors (main/aux) are connected to a separate antenna
while diversity is on (dev.ath.0.diversity=1).