iwn(4) hangs after r257133

[Stefan Farfeleder]

On Sun, Nov 10, 2013 at 05:14:58AM -0800, Adrian Chadd wrote:
> yup, same info as brandon. :)

http://pastebin.com/MwfL06z7

Stefan

> On 10 November 2013 04:17, Stefan Farfeleder <stefanf at freebsd.org> wrote:
> > On Sat, Nov 09, 2013 at 08:29:30PM -0600, Brandon Gooch wrote:
> >> Turns out that not enabling MRR causes my Intel Ultimate N WiFi Link
> >> 5300 to hang after only a few moments of use.
> >>
> >> For now, I've just reverted only those aspects of r257133, enabling
> >> MRR and keeping the rate index lookup, which seems to do something on
> >> my hardware at least (I assume it's not the right thing based on
> >> Adrian's analysis, but it works never-the-less).
> >>
> >> Has anyone else hit this with Intel WiFi hardware?
> >>
> >> Also, what needs to be done to have MRR working properly?
> >
> > Hi,
> >
> > I have problems with iwn (Intel WiFi Link 5100) as well.
> >
> > Unlike my previous problems, it associates properly and works fine, at
> > first. But then, after some minutes, the link quality somehow
> > deteriorates and I see serious packet drops. Usually it gets back to
> > normal some minutes later, but restarting the interface "fixes" the
> > problem. I don't think it's a problem with the signal itself, because
> > other devices next to the notebook work just fine during that intervals.
> >
> > Adrian, do you have any ideas, or some data you want from me?
> >
> > Stefan
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