Subject: Re: Problem with 40Mhz on 2.5GHz with Intel 8260
To: Emmanuel Grumbach <egrumbach@gmail.com>
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Cc: linux-wireless <linux-wireless@vger.kernel.org>
From: Volker Mische <volker.mische@gmail.com>
Message-ID: <968d1def-738f-36da-83bd-b10cc98c8093@gmail.com> (sfid-20160921_221943_302850_D02CAFF3)
Date: Wed, 21 Sep 2016 22:19:22 +0200
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Hi,

On 09/21/2016 09:20 AM, Emmanuel Grumbach wrote:
>>> can you try to unplug the power cord? I had reports that said that
>>> this can help. Again, just a debug step to give us a hint of what you
>>> can be experiencing.
>>
>> Unplug without any module parameters or combined with the
>> cfg80211_disable_40mhz_24ghz or power_scheme one?
> 
> Nope - default configuration.

the issue also happens when the power cord is unplugged.

>>> Besides this, we need to go for firmware debugging. But as I said,
>>> don't expect this to be fast and easy. Please open a bug in
>>> bugzilla.kernel.org. CC linuxwifi@intel.com and we will guide you
>>> there on how to provide the information we need.

I've filled bug 172431

[1]: https://bugzilla.kernel.org/show_bug.cgi?id=172431

Cheers,
  Volker