Re: 3.1+ iwlwifi lockup

From: Guy, Wey-Yi
Date: Tue Nov 22 2011 - 22:52:09 EST


On Tue, 2011-11-22 at 19:34 -0800, Dave Jones wrote:
> On Tue, Nov 22, 2011 at 06:29:40PM -0800, Guy, Wey-Yi wrote:
>
> > On Tue, 2011-11-22 at 18:45 -0800, Dave Jones wrote:
> > > On Tue, Nov 22, 2011 at 12:15:02PM -0800, wwguy wrote:
> > > > Hi Dave,
> > > >
> > > > Sorry for taking so long.
> > > > it is a bogus command from the firmware which driver try to process it
> > > > and cause problem. I am not sure how it happen. But could you please try
> > > > the patch I attach here.
> > > >
> > > > For now I am just ignore the command, but not sure it is good enough,
> > > > might has to reload the firmware, but not sure.
> > >
> > > With Linus' current tree and this patch, I got a panic pretty quickly,
> > > but with a different trace.
> > >
> > Are you seeing the problem without this patch? I guess the patch I done
> > here is not the right thing to do and I try to address the problem too
> > aggressively
>
> I've been running Linus' current tree for the whole time and haven't seen
> any iwlwifi traces since my initial report on the 11th.
>
> I can't reproduce the bug, even by doing the same operation
> (an scp of a dozen photographs).
>
> It seems to happen almost at random, as if it's somehow timing related.
> I'm running the patched kernel again now, and it's been fine for the last hour.
>
Agree, that is why I could not re-produce here after many try. Could you
share your configuration, such as band/channel, 32/64 bit system, 20/40
MHz, traffic type, open/security, power management, ...,

Thanks
Wey
>


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