On Fri, 14 Dec 2007, Steven M. Bellovin wrote:
> I used to have serious tx timeout problems with ath0.  After I added
>
> 	hw.ath0.txintrperiod=1
>
> to sysctl.conf, that stopped.  That's also the case when I run the PM
> branch.  *However*...  After a suspend/resume cycle, I started seeing
> the problem; in fact, the device eventually became unusable.  Is it
> possible that some state isn't being saved?  (I tried reissuing the
> sysctl, of course, and setting it to 5 and then 1; none of this helped.)
>
> I only have one data point on this thus far, unlike the battery and AC
> power situations, so it may be coincidence.  (This is all on a T42.)

Make sure you have if_ath_pci r1.25.

Jared