linux-kernel - Re: iwlagn is getting even worse with 3.3-rc1

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Message-ID: <CANUX_P3XSCsWUJ9M55qeaK-DuPEMXODFPJiNk+BgnHN-=WECqw@mail.gmail.com>
Date:	Thu, 26 Jan 2012 13:13:05 -0800
From:	Emmanuel Grumbach <egrumbach@...il.com>
To:	Norbert Preining <preining@...ic.at>
Cc:	linux-kernel@...r.kernel.org, ipw3945-devel@...ts.sourceforge.net,
	"Guy, Wey-Yi" <wey-yi.w.guy@...el.com>,
	Johannes Berg <johannes@...solutions.net>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
	"ilw@...ux.intel.com" <ilw@...ux.intel.com>,
	Dave Jones <davej@...hat.com>
Subject: Re: iwlagn is getting even worse with 3.3-rc1

Hey Dave,

Can you please try to patch attached to this thread. You and Norbert
are suffering from the same issue. I am merging the mail threads here.

On Wed, Jan 25, 2012 at 21:49, Emmanuel Grumbach <egrumbach@...il.com> wrote:
> Hi Norbert,
>
>>
>> syslog output is at http://www.logic.at/people/preining/syslog.log
>> this is after a suspend and resume.
>>
>> first connection after resume succeeded at around kernel time 378.859794
>> then it worked for say 20sec or so, hard to say when exactely it dropped,
>> but defeinitely at kernel time 451 it was finished.
>>
>> After that nothing went out or in again.
>>
>> Hope you can make something out of that.
>>
>
> Unfortunately, not really. I can see you are hitting PASSIVE_NO_RX,
> meaning that the uCode complains that you are trying to Tx on a
> passive channel on which it hasn't heard any beacon yet. But then we
> finally get a beacon there, and open the queue again.
>
> Anyway, can you try the attached patch ?
> Note that I have no real way to test it (I have to admit I haven't
> even compiled... I am not in my office).
> I hope it might help.
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