On Sat, 18 Aug 2007 13:23:25 -0500
David Young <dyoung@pobox.com> wrote:

> On Fri, Aug 17, 2007 at 09:32:48PM -0400, Steven M. Bellovin wrote:
> > For the last several weeks, I've had trouble at home with my ath0
> > interface.  (My house network uses WEP because until very recently,
> > one of the laptops ran 3.1, which did not have WPA.)  Specifically,
> > I saw constant
> > 
> > 	ath0: device timeout (txq 1)
> 
> Steven,
> 
> See if turning down the Tx interrupt interval helps,
> 
> sysctl -w hw.ath0.txintrperiod=1
> 
Yes, it does -- the problem goes away with that set to 1.  Anything
higher, though, will trigger it.  (I only tested for a few minutes, but
without that the problem reproducibly occurs within a few seconds.)

For now, I'm going to put that into my sysctl.conf file...


		--Steve Bellovin, http://www.cs.columbia.edu/~smb