linux-kernel - Re: [GIT] Networking

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Message-ID: <CA+55aFw_JRGNo3HYP3c=3VoGw_uYBP_h2OmxOMcUGsU=L43btw@mail.gmail.com>
Date:	Tue, 17 May 2016 18:00:06 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	David Miller <davem@...emloft.net>,
	Johannes Berg <johannes.berg@...el.com>,
	Emmanuel Grumbach <emmanuel.grumbach@...el.com>,
	Kalle Valo <kvalo@...eaurora.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Network Development <netdev@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Intel Linux Wireless <linuxwifi@...el.com>,
	Linux Wireless List <linux-wireless@...r.kernel.org>
Subject: Re: [GIT] Networking

On Tue, May 17, 2016 at 12:11 PM, David Miller <davem@...emloft.net> wrote:
>
> Highlights:

Lowlights:

 1) the iwlwifi driver seems to be broken

My laptop that uses the intel 7680 iwlwifi module no longer connects
to the network. It fails with a "Microcode SW error detected." and
spews out register state over and over again.

The last thing it says before falling over is:

  wlp1s0: authenticate with xx:xx:xx:xx:xx:xx
  wlp1s0: send auth to xx:xx:xx:xx:xx:xx (try 1/3)
  wlp1s0: send auth to xx:xx:xx:xx:xx:xx (try 2/3)

and then it goes all titsup.

I thought that it might be because I had downloaded one of the daily
firmware versions (it calls itself iwlwifi-7260-17.ucode, but isn't a
real release afaik - but it has worked fien for me before), but the
problem persists with the ver-16 ucode too, so that wasn't it.

I haven't bisected it, but there is absolutely nothing odd in my hardware.

I do have a 802.11ac network, which apparently not everybody does,
judging by previous bug-reports of mine..

Intel iwlwifi people: please check this out.

               Linus