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RE: [Ilw] Re: Intel 7260 not working in 802.11n mode

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> On Mon, Apr 07, 2014 at 08:00:19AM +0300, Emmanuel Grumbach wrote:
> > On Mon, Apr 7, 2014 at 3:36 AM, Jonathan McDowell <noodles@xxxxxxxx>
> wrote:
> > >
> > > I have an Intel 7260 that fails to associate correctly in 802.11n mode.
> > > Unfortunately I don't have any access to the AP in question, but I
> > > believe it is an ASUS based device. This is on the 5GHz band; there is
> > > some odd configuration with the router that results in the driver
> > > refusing to associate on the 2.4GHz setup with the following error:
> > >
> > > [  507.495986] iwlwifi 0000:02:00.0: AP 30:00:da:b1:da:d0 beacon interval is
> 7, refusing due to firmware bug!
> >
> > Ok - this is an interesting settings.
> > I'll check with our firmware team what can be done here, but beacon
> > interval=7 is really insane. I can't find what the spec defines as
> > legal values right now.
> 
> I wouldn't rule out the person who configured the AP having made a
> mistake; the MAC address is a custom one so they may have tweaked other
> settings too. However my phone (running Android) can connect to the
> 2.4GHz AP just fine and I think the other users of the AP are running
> Macs without problems.
> 
> > > On the 5GHz band the driver attempts to associate, but never seems to
> > > actually fully associate to the point of getting an IP. If I pass the
> > > 11n_disable=1 parameter to the driver then things work fine.
> > >
> > This is surprising - can you share your logs?
> 
> The log below is without the 11n_disable flag set - if it helps I can
> provide the log of when it works too.
> 
> > > I've put a debug log of the failure to associate (kernel 3.14 but this
> > > has happened with all the version I've tried) up at:
> > >
> > > http://the.earth.li/~noodles/iwlwifi-fail.log
> > >
> >
> > I can't access: Access forbidden.
> 
> Sorry, fixed.
> 

Your log seems healthy - you associate at Apr  6 17:17:20 and disassociate at Apr  6 17:18:05 - was that intentional?

Also - your AP seems to behave badly with uAPSD - can you try to set power_scheme=1 as a module parameter to iwlmvm module?



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