linux-kernel - Re: 3.3.0-rc1+ (Linus GIT) - iwlwifi losing connection regularly.

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Message-ID: <CAHFgRy-4bJdShGSRe4ijcjREgtwcWvAa-EhOfhGFSrCwUL=7Tg@mail.gmail.com>
Date:	Mon, 30 Jan 2012 21:35:27 -0500
From:	Miles Lane <miles.lane@...il.com>
To:	"Grumbach, Emmanuel" <emmanuel.grumbach@...el.com>
Cc:	"Guy, Wey-Yi W" <wey-yi.w.guy@...el.com>,
	Intel Linux Wireless <ilw@...ux.intel.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: 3.3.0-rc1+ (Linus GIT) - iwlwifi losing connection regularly.

On Mon, Jan 30, 2012 at 3:38 PM, Grumbach, Emmanuel
<emmanuel.grumbach@...el.com> wrote:
> Hi Miles,
>
> Thanks for the detailed bug description.
>
>>
>> I find that with builds of Linus GIT over the last week or so I need
>> to rmmod and insmod the iwlwifi driver about once every ten minutes.
>> When the connection stops working, networkmanager still shows the
>> connection as active, but no data is getting through (Web, pings,
>> etc).
>> I enabled full debug output and here is a sample of kern.log that
>> stretches from a point in time when the connection was working through
>> past when it failed.
>> Please let me know if I can help debug this further.  I don't have
>> time to do a bisection, unfortunately.
>>
>
> Quite a few people reported an issue that I think can be solved by the patch attached.
> Would you mind try and report ?
> Thanks
> ---------------------------------------------------------------------
> Intel Israel (74) Limited

Thanks!  This patch works great for me.  It did not apply cleanly to
the latest GIT pull from the Linus' tree:

# patch -p1 < ~/Downloads/tid.patch
patching file drivers/net/wireless/iwlwifi/iwl-agn-tx.c
patching file drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
Hunk #1 succeeded at 1261 (offset -290 lines).
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