Subject: Re: 2.6.28-rc2-wl: network lockups with iwl3945
From: Johannes Berg <johannes@sipsolutions.net>
To: Kalle Valo <kalle.valo@nokia.com>
Cc: linux-wireless@vger.kernel.org
In-Reply-To: <87iqr5ri67.fsf@nokia.com> (sfid-20081102_212342_548781_60CD5960)
References: <871vxuh70u.fsf@nokia.com>  <87iqr5ri67.fsf@nokia.com>
	 (sfid-20081102_212342_548781_60CD5960)
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Date: Mon, 03 Nov 2008 08:26:13 +0100
Message-Id: <1225697173.3619.23.camel@johannes.berg> (sfid-20081103_082616_830701_A3667E66)
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Sender: linux-wireless-owner@vger.kernel.org


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On Sun, 2008-11-02 at 22:23 +0200, Kalle Valo wrote:
> Kalle Valo <kalle.valo@nokia.com> writes:
>=20
> > I have now seen twice a network related lockup with 2.6.28-rc2-wl
> > (wireless-testing commit d80fe004), once yesterday and once this
> > morning. I'm guessing that it's somehow wireless related, most
> > probably a deadlock somewhere.=20
>=20
> I can now easily reproduce this. First run wpa_supplicant and let it
> associate:
>=20
> $ sudo ./wpa_supplicant -i wlan0 -c valo.conf
>=20
> Then suspend:
>=20
> $ sudo sh -c 'echo mem > /sys/power/state'
>=20
> Wake the laptop by pressing Fn key and run ip link:
>=20
> $ ip link
>=20
> And that's it, ip will never return. And even shutdown won't work
> after this, I need to use sysrq+b to boot the laptop. So this is a
> serious regression in wireless-testing.

I think this has been fixed for iwlagn recently, but I guess iwl3945
will always be forgotten ;)

johannes

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