linux-kernel - Re: kernel BUG in iwl-agn-rs.c:2076, WAS: iwlagn + some accesspoint == hardlock

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Date:	Thu, 13 May 2010 12:34:26 +0200
From:	Nils Radtke <lkml@...nk-Future.de>
To:	reinette.chatre@...el.com
Cc:	linux-kernel@...r.kernel.org
Subject: Re: kernel BUG in iwl-agn-rs.c:2076, WAS: iwlagn + some
 accesspoint == hardlock

  Hi Reinette,

On Wed, 2010-05-12 at 07:39 -0700, Nils Radtke wrote:
> > Problem regarding the deauths/reconnects (sometimes combined w/ bad throughput):
> > 
> >   Tested w/ Linux mypole 2.6.33.3 #21 SMP PREEMPT Tue May 11 11:41:07 CEST 2010 i686 GNU/Linux
> >   and iwl recovery patches applied.
> > 
> 
> Any chance you can try these same tests with latest code
> (compat-wireless may be easiest) to help us determine if this is still
> an issue?
I'll try those. Have to recompile the kernel though as I used to have config_80211 in instead of M.

> > RFKILL switch on, wpa_cli stat showed auth.
> > 
> > First auth: conn failed during https login
> > 
> > [28018.602587] eth1: deauthenticated from 00:40:96:aa:bb:cc (Reason: 2)
> > [28018.900400] iwlagn 0000:03:00.0: TX Power requested while scanning!
> > [28018.900411] iwlagn 0000:03:00.0: Error sending TX power (-11)
> > [28018.921465] iwlagn 0000:03:00.0: request scan called when driver not ready.
> 
> We could maybe at least figure out what is going on here if the driver
> is loaded with some debugging. Please ensure driver is compiled with
> debugging (CONFIG_IWLWIFI_DEBUG) and load the module with "modprobe
> iwlagn debug=0x43fff". Could you please reproduce under this
> environment?
Ok.

Today it's been a thunderstorm here but right now the sun is shining. Guess, I'll make it for a tour through 
the city.. :)

  Cheers,

        Nils

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