Subject: Re: linux 3.2-rcX iwlwifi driver's problem (wifi link unstable
 when moving between multiple APs)
From: wwguy <wey-yi.w.guy@intel.com>
To: Cheng Renquan <crquan@gmail.com>
Cc: "sedat.dilek@gmail.com" <sedat.dilek@gmail.com>,
	Intel Linux Wireless <ilw@linux.intel.com>,
	"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
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Content-Type: text/plain; charset="UTF-8"
Date: Tue, 10 Jan 2012 18:28:22 -0800
Message-ID: <1326248902.25784.34.camel@wwguy-ubuntu> (sfid-20120111_033540_188216_41023408)
Mime-Version: 1.0
Sender: linux-wireless-owner@vger.kernel.org

On Tue, 2012-01-10 at 17:30 -0800, Cheng Renquan wrote:
> On Tue, Jan 10, 2012 at 3:20 PM, Guy, Wey-Yi <wey-yi.w.guy@intel.com> wrote:
> > Hi Cheng,
> 
> > Got it, very sorry for the problem you experience, yes, I agree with
> > you, it might be because the noisy environment. Could you please send me
> > the dmesg log with the following flags
> >
> > $sudo modprobe iwlwifi debug=0x1083
> >
> > Thanks
> > Wey
> 
> Attached iwlwifi-debug-jan10.txt.xz privately to Guy since it may have
> some privacy; please do not spread;
> 
> tried a few meeting rooms only the last one failed roaming; may be
> because many ones have left office right now, don't have so much
> noise; will try again another busy time;

hmm, so you thinking it might be the noisy environment. what  if you
rollback the kernel to 3.2.0-rc7 (the one you have before Christmas) and
try it in the same noisy environment and see if it works. It can help me
understand if it is something break the roaming lately, or the problem
always there.

Thanks
Wey