Subject: Re: ath0 timeout clues?
To: David Young <dyoung@pobox.com>
From: Steven M. Bellovin <smb@cs.columbia.edu>
List: current-users
Date: 08/18/2007 14:57:14
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