linux-kernel - Re: iwlagn is getting very shaky

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Message-ID: <CAAJw_ZvyWoprc8yCwET_2O67gpnQy=5imAQG=PVWT8OhB_7rXA@mail.gmail.com>
Date:	Tue, 29 Nov 2011 15:48:26 +0800
From:	Jeff Chua <jeff.chua.linux@...il.com>
To:	Emmanuel Grumbach <egrumbach@...il.com>
Cc:	Norbert Preining <preining@...ic.at>,
	"Guy, Wey-Yi" <wey-yi.w.guy@...el.com>,
	Pekka Enberg <penberg@...helsinki.fi>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Johannes Berg <johannes@...solutions.net>,
	Dave Jones <davej@...hat.com>,
	David Rientjes <rientjes@...gle.com>
Subject: Re: iwlagn is getting very shaky

On Tue, Nov 29, 2011 at 2:59 PM, Emmanuel Grumbach <egrumbach@...il.com> wrote:
>>
>> Ok, here we go. First of all, it seems that the problem is solved
>> inthe sense that the connection stays alive all the time and does not
>> disappear. OTOH, I now get quite a lot of messages, that might point
>> either to a broken AP here, or something else:
>> =============================
>> Anyway, the connection might stumble now and then a bit, but it does
>> not break down, so I don't complain ;-)
>>
>> BIG THANKS to everyone!!!
>>
>
> Thanks for you testing and patience.

Does this have anything to do with another subject "MAC is in deep
sleep!" ... Not trying to interrupt the discussion here, but my iwlagn
is unstable at 3.2.0-rc3. I'm seeing a lot of "MAC is in deep sleep!"

The WEP connection will work for a while, then gets stuck and goes to
deep sleep.

011-11-27T16:24:23.791863+08:00 boston kernel: wlan0: associated
2011-11-27T17:12:46.371856+08:00 boston kernel: iwlwifi 0000:02:00.0:
Queue 0 stuck for 2000 ms.
2011-11-27T17:12:46.371887+08:00 boston kernel: iwlwifi 0000:02:00.0:
Current read_ptr 46 write_ptr 47
2011-11-27T17:12:46.371895+08:00 boston kernel: iwlwifi 0000:02:00.0:
On demand firmware reload
2011-11-27T17:12:48.371858+08:00 boston kernel: iwlwifi 0000:02:00.0:
Error sending REPLY_RXON: time out after 2000ms.
2011-11-27T17:12:48.371870+08:00 boston kernel: iwlwifi 0000:02:00.0:
Current CMD queue read_ptr 133 write_ptr 137
2011-11-27T17:12:48.371874+08:00 boston kernel: iwlwifi 0000:02:00.0:
Error clearing ASSOC_MSK on BSS (-110)
2011-11-27T17:12:48.681210+08:00 boston kernel: iwlwifi 0000:02:00.0:
MAC is in deep sleep!. CSR_GP_CNTRL = 0xFFFFFFFF

Thanks,
Jeff
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