Message-ID: <4F708953.1000301@hartkopp.net> (sfid-20120326_172059_375929_E1FF64F8)
Date: Mon, 26 Mar 2012 17:20:51 +0200
From: Oliver Hartkopp <socketcan@hartkopp.net>
MIME-Version: 1.0
To: Johannes Berg <johannes@sipsolutions.net>,
	Amit Beka <amit.beka@intel.com>
CC: "John W. Linville" <linville@tuxdriver.com>,
	David Spinadel <david.spinadel@intel.com>,
	linux-wireless@vger.kernel.org,
	Intel Linux Wireless <ilw@linux.intel.com>
Subject: Re: 3.4-merge: iwlwifi needs more than 1 minute to connect
References: <20120316180428.GD2563@tuxdriver.com>  <4F6CD1BC.4040703@hartkopp.net> <1332756333.7081.18.camel@jlt3.sipsolutions.net> <4F707AA7.5050401@hartkopp.net> <4F708782.3000400@hartkopp.net>
In-Reply-To: <4F708782.3000400@hartkopp.net>
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Sender: linux-wireless-owner@vger.kernel.org

Sorry - my assumption was too fast ...


At the fourth reboot i got the problem even with the reverted patches from Amit.

Sorry for the noise :-(

[   15.118888] wlan0: authenticate with bc:05:43:94:1a:da
[   15.122519] wlan0: send auth to bc:05:43:94:1a:da (try 1/3)
[   15.160486] wlan0: authenticated
[   15.160625] wlan0: waiting for beacon from bc:05:43:94:1a:da
[   15.189007] iwlwifi 0000:02:00.0: ACTIVATE a non DRIVER active station id 0 addr bc:05:43:94:1a:da
[   28.270782] wlan0: authenticate with bc:05:43:94:1a:da
[   28.274505] wlan0: send auth to bc:05:43:94:1a:da (try 1/3)
[   28.277125] wlan0: authenticated
[   28.277184] wlan0: waiting for beacon from bc:05:43:94:1a:da
[   28.306245] iwlwifi 0000:02:00.0: ACTIVATE a non DRIVER active station id 0 addr bc:05:43:94:1a:da
[   41.427670] wlan0: authenticate with bc:05:43:94:1a:da
[   41.431301] wlan0: send auth to bc:05:43:94:1a:da (try 1/3)
[   41.434021] wlan0: authenticated
[   41.434668] wlan0: associate with bc:05:43:94:1a:da (try 1/3)
[   41.437357] wlan0: RX AssocResp from bc:05:43:94:1a:da (capab=0x431 status=0 aid=3)
[   41.437363] wlan0: associated
[   41.447928] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready

Regards,
Oliver

On 26.03.2012 17:13, Oliver Hartkopp wrote:

> 
> On 26.03.2012 16:18, Oliver Hartkopp wrote:
> 
>> On 26.03.2012 12:05, Johannes Berg wrote:
>>
>>> Hi Oliver,
>>>
>>>> i'm using the *very* latest 3.4-merge tree from Linus and my Wifi now needs
>>>> more than one minute to connect to my access point.
>>>
>>>> [   16.288562] wlan0: authenticate with bc:05:43:94:1a:da
>>>> [   16.299644] wlan0: send auth to bc:05:43:94:1a:da (try 1/3)
>>>> [   16.302060] wlan0: authenticated
>>>> [   16.302492] wlan0: waiting for beacon from bc:05:43:94:1a:da
>>>> [   16.432398] iwlwifi 0000:02:00.0: ACTIVATE a non DRIVER active station id 0 addr bc:05:43:94:1a:da
>>>
>>> This is an odd message. I need to figure out how that can even happen.
>>>
>>> What's the beacon interval on your AP? It seems more likely that this is
>>> a problem with RX though.
> 
> 
> 
> Hi Johannes and Amit,
> 
> pointing to the RX path was a good idea!
> 
> I checked the commits of the last three weeks and discovered that it turns
> out that the patches from Amit caused the regression:
> 
> iwlwifi: add testmode command for rx forwarding
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commitdiff;h=0aef8ddc8bedac1db4c96fddc9fb1b44b730cf4f
> 
> 
> iwlwifi: fixed testmode notifications length
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commitdiff;h=8e81f65fdc7f5d292bb3c115b748767d921823c1
> 
> I reverted them in the opposite order (of course) and now the issue is gone.
> 
> Regards,
> Oliver