From: Larry Finger <Larry.Finger@lwfinger.net>
To: Mikael Abrahamsson <swmike@swm.pp.se>
Cc: Nikolay Martynov <mar.kolya@gmail.com>, linux-wireless@vger.kernel.org
Subject: Re: Spontaneous disconnections debugging
Date: Sat, 10 Dec 2011 11:42:03 -0600 [thread overview]
Message-ID: <4EE399EB.2060100@lwfinger.net> (raw)
In-Reply-To: <alpine.DEB.2.00.1112101231120.808@uplift.swm.pp.se>
On 12/10/2011 05:34 AM, Mikael Abrahamsson wrote:
> On Fri, 9 Dec 2011, Nikolay Martynov wrote:
>
>> I have an intel 5300 as client and openwrt ath9k based router as AP. Some
>> times (once in several days) I get wireless connection spontaneously dropped
>> with this message on client: wlan1: deauthenticating from XX:XX:XX:XX:XX:XX by
>> local choice (reason=3)
>
> Ubuntu 11.10 on a Thinkpad X200 with Intel 5300:
>
> $ dmesg | grep -i deauthenticating | grep "local choice" | wc -l
> 44
> $ uptime
> 18:31:07 up 1 day, 7:30, 3 users, load average: 0.08, 0.03, 0.05
>
> $ dmesg | grep "local choice" | cut -d ] -f2- | sort | uniq -c
> 44 wlan0: deauthenticating from 00:21:91:dc:94:55 by local choice (reason=3)
> 56 wlan0: disassociating from 00:21:91:dc:94:55 by local choice (reason=3)
>
>> Not that this really creates problems for me, connection is quickly
>> restored and otherwise works fine.
>
> For me it also mostly works fine, but sometimes I have to unload/reload the
> iwlagn module to make things work again, and sometimes the wifi LED just turns
> off and requires a reboot to get working again.
>
> At least the 5300 stuff works much better in 3.0 than it did in 2.6.38.
I would suggest that both of you try the bleeding-edge compat-wireless, or the
kernel from the wireless-testing git tree, before doing any debugging. I'm not
involved in iwlagn development, but there have been a lot of changes since 3.0.
Larry
prev parent reply other threads:[~2011-12-10 17:42 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-10 4:38 Spontaneous disconnections debugging Nikolay Martynov
2011-12-10 11:34 ` Mikael Abrahamsson
2011-12-10 17:42 ` Larry Finger [this message]
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