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From: Howard Chu <hyc@symas.com>
To: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Cc: Luis Rodriguez <Luis.Rodriguez@Atheros.com>,
	"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Subject: Re: ath9k problems
Date: Mon, 22 Sep 2008 13:34:49 -0700	[thread overview]
Message-ID: <48D80169.4040104@symas.com> (raw)
In-Reply-To: <20080922173010.GD6048@tesla>

Luis R. Rodriguez wrote:
> On Mon, Sep 22, 2008 at 04:31:33AM -0700, Howard Chu wrote:
>> Luis R. Rodriguez wrote:
>>> On Mon, Sep 22, 2008 at 2:09 AM, Howard Chu<hyc@symas.com>   wrote:
>>>>>   For example - I added DPRINTFs to all the places that called ath9_hw_reset()
>>>>>   to see why the ForceXPAon message was occurring so often, and got the
>>>>>   attached log. I note that ForceXPAon doesn't occur on every call to
>>>>>   hw_reset, and sometimes there are repeated identical calls to set the
>>>>>   channel (e.g. at 22:06:36 in the log).
>>>>>
>>>>>   It associates successfully with my AP on channel 8, but shortly thereafter
>>>>>   loses the association, scans again, and starts over again, ad nauseam. This
>>>>>   behavior was made even worse when I upgraded my freeradius server (was
>>>>>   authenticating with WPA EAP/PEAP) and configured TLS session caching - there
>>>>>   seems to be a bug in freeradius there so subsequent reassociation attempts
>>>>>   would always fail until I turned off session caching. (Haven't had time to
>>>>>   chase that down yet.)
>>> Howard, did you apply the pending group key patch yet?
>> Yes, the patch didn't improve the situation on my wireless-testing build. It
>> works fine on my 2.6.27-rc6 build though.
>
> Can you provide a long of your wireless-testing run with the group key
> patch applied?

The log I posted already had the group key patch applied. I have an earlier 
log (Sep 18) from before patching, but it doesn't look much different. Do you 
want me to post that?

> Also, please try running wpa_supplicant manually, but
> first be sure to disable Network Manager completely by doing:

Will try that shortly.

-- 
   -- Howard Chu
   CTO, Symas Corp.           http://www.symas.com
   Director, Highland Sun     http://highlandsun.com/hyc/
   Chief Architect, OpenLDAP  http://www.openldap.org/project/

  reply	other threads:[~2008-09-22 20:34 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-21  4:17 ath9k problems Howard Chu
2008-09-21  4:22 ` Steven Noonan
2008-09-22  6:48   ` Luis R. Rodriguez
2008-09-22  7:21     ` Steven Noonan
2008-09-22  8:08       ` Luis R. Rodriguez
2008-09-22 19:47       ` John W. Linville
2008-09-22  9:09     ` Howard Chu
2008-09-22  9:45       ` Luis R. Rodriguez
2008-09-22 11:31         ` Howard Chu
2008-09-22 17:30           ` Luis R. Rodriguez
2008-09-22 20:34             ` Howard Chu [this message]
2008-09-22 21:16   ` Nick Kossifidis

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