Message-ID: <1ba2fa240810171302h7dcc92acr18c060425c4a93d@mail.gmail.com> (sfid-20081017_220221_342899_1266BCB0)
Date: Fri, 17 Oct 2008 22:02:01 +0200
From: "Tomas Winkler" <tomasw@gmail.com>
To: "Richard Scherping" <richard@scherping.de>
Subject: Re: iwlagn: associating with AP causes kernel hiccup
Cc: "Frederik Himpe" <fhimpe@telenet.be>,
	linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org
In-Reply-To: <48F8AEF1.5030603@scherping.de>
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Sender: linux-wireless-owner@vger.kernel.org

On Fri, Oct 17, 2008 at 5:27 PM, Richard Scherping <richard@scherping.de> wrote:
>>>>> When I associate with an AP, Linux 2.6.27 seems to "hang" for a few
>>>>> seconds. During that time, all sound stops playing and keyboard and
>>>>> mouse input is impossible.
>>>
>>> I'm using Mandriva 2009.0 x86_64 with wpa_supplicant and Mandriva's
>>> wireless network configuration tool (drakroam).
>>>
>>> Actually I just found out that running # ifconfig wlan0 down
>>> is enough to trigger the sound and mouse hanging for a few seconds.
>>
>> And shortly after I wrote that, while associating while getting an IP
>> with dhclient when associating with a WPA encrypted AP, I got this
>> backtrace in my logs:
>> [...]
>
> I have a similar problem here. No crash up to now, but the very same "hang" for a few seconds on "ifconfig wlan0 down". Interestingly this does only happen after a normal boot - once I did a suspend and resume (S3), there is no hang anymore.
>
> Hardware: Thinkpad T61p with Intel 4965 agn
> Software: Debian Lenny x86_64 with vanilla 2.6.27 kernel
>
Driver in 2.6.27 is not stable, please try to reproduce this in
current wireless-testing.git.
Thanks