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From: Brandt Deakin <bdeakin@cardaccess-inc.com>
To: linux-wireless@vger.kernel.org
In-Reply-To: <1310151034.2152.8.camel@bdeakin-x200>
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Content-Type: text/plain; charset="UTF-8"
Date: Mon, 11 Jul 2011 09:04:40 -0600
Message-ID: <1310396680.2247.1.camel@bdeakin-x200> (sfid-20110711_170455_024435_A3D06141)
Mime-Version: 1.0
Subject: Re: CARL9170/hostapd startup failures
Sender: linux-wireless-owner@vger.kernel.org
List-ID: <linux-wireless.vger.kernel.org>

Updated news, built a carl9170 firmware off the 1.9.4 tag and this issue
appears to have been resolved.  I expect it was related to some of the
"timing" changes that appear to have been made.

Thanks,
Brandt

On Fri, 2011-07-08 at 12:50 -0600, Brandt Deakin wrote:
> I'm attempting to use carl9170 in AP mode and I'm seeing some
> interesting errors.  When calling hostapd to initialize the AP, 10-50%
> of the attempts will be unsuccessful and report the following:
> 
> 
> Could not set interface wlan0 flags: Connection ieee80211 phy1: lost 7
> command responses/traps! w:9 g:0
> usb 1-1: restart device (8)
> timed out
> nl80211: Could not set interface 'wlan0' UP
> nl80211 driver initialization failed.
> rmdir[ctrl_interface]: No such file or directory
> usb 1-1: firmware upload failed (-110).
> usb 1-1: Failed to restart device  (-110).
> usb 1-1: reset high speed USB device number 2 using ehci-omap
> usb 1-1: reset high speed USB device number 2 using ehci-omap
> usb 1-1: driver   API: 1.9.2 2011-01-22 [1-1]
> usb 1-1: firmware API: 1.9.2 2010-12-25
> usb 1-1: Atheros AR9170 is registered as 'phy2'
> 
> I'm seeing this error on the Beagleboard xM (Ubuntu 11.04 2.6.38) as
> well as on a Lenovo x200 PC (Ubuntu 11.04 2.6.38).  I've reproduced it
> with 2.6.39 on the Beagleboard (not xM) as well.  When initializing the
> normal client mode, I've never seen a failure to "upload" the firmware
> like this.  It seems to be particular to the AP mode.  Suggestions for
> resolution are appreciated.  I'm going to open up the carl9170 firmware
> source and start trying to determine a possible cause there.
> 
> Thanks,
> Brandt
> 
>