Re: iwlagn and many firmware restarts with Fedora kernel

[Marcel Holtmann <marcel@holtmann.org>]

Hi,

> > so during the last few weeks, I have seen a huge amount of firmware
> > restarts with my Intel 5350 card and Fedora 13 kernel (2.6.33.6-147).
> >
> > iwlagn 0000:03:00.0: low ack count detected, restart firmware
> > iwlagn 0000:03:00.0: On demand firmware reload
> > iwlagn 0000:03:00.0: Stopping AGG while state not ON or starting
> > iwlagn 0000:03:00.0: queue number out of range: 0, must be 10 to 19
> >
> > If this happens then I don't see it once, I normally see this 10-20
> > times and the connectivity is stalled until the cards comes back to
> > life. I have seen patches that should have fixed this symptom, but they
> > might be also send to -stable since this is a major hassle.
> >
> > The time without connectivity is something around 4-5 minutes or longer
> > when this happens. Not really funny.
> 
> This happens here too even with the 2.6.34.1-9.fc13.x86_64 kernel;
> when this happens reloading the iwlagn module seems to be the only
> (quick) way to get it back to life.

the quick way is re-loading the module, that is true. Otherwise you have
to sit it out. It always comes back nicely and starts working again.

Regards

Marcel