linux-kernel - Re: Libertas: Association request to the driver failed

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Message-ID: <20090807193610.GK7545@tuxdriver.com>
Date:	Fri, 7 Aug 2009 15:36:10 -0400
From:	"John W. Linville" <linville@...driver.com>
To:	Daniel Mack <daniel@...aq.de>
Cc:	libertas-dev@...ts.infradead.org, linux-wireless@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: Libertas: Association request to the driver failed

On Fri, Aug 07, 2009 at 09:11:56PM +0200, Daniel Mack wrote:
> Since a recent merge of the wireless tree to Linus' master, my SDIO
> connected libertas module fails to connect to our WLAN.
> 
> 'iwlist scanning' works fine, but wpa_supplicant keeps on spitting out
> the following message:
> 
>   CTRL-EVENT-SCAN-RESULTS 
>   Trying to associate with 00:04:0e:4b:c7:b3 (SSID='caiaq' freq=2437 MHz)
>   Association request to the driver failed
> 
> Haven't done any bisect or deeper inspection of recent changes yet. Can
> anyone point me in some direction maybe? The change must have been
> introduced between -rc3 and -rc5. My userspace did not change since
> then.

Normally a bisect is exactly what you would do.  In this case, there
is only this on libertas patch in the range you mention:

commit 154839962a582b8eb661cde94ef3af0e03b374d7
Author: Marek Vasut <marek.vasut@...il.com>
Date:   Thu Jul 16 19:19:53 2009 +0200

    libertas: Fix problem with broken V4 firmware on CF8381
    
    Firmware V4 on CF8381 reports region code shifted by 1 byte to left.
    The following patch checks for this and handles it properly.
    
    Signed-off-by: Marek Vasut <marek.vasut@...il.com>
    Signed-off-by: John W. Linville <linville@...driver.com>

If you revert that, does your problem disappear?

John
-- 
John W. Linville		Someday the world will need a hero, and you
linville@...driver.com			might be all we have.  Be ready.
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