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From: "Luis R. Rodriguez" <mcgrof@gmail.com>
Date: Wed, 15 Jul 2009 09:25:06 -0700
Message-ID: <43e72e890907150925p51c1a019r95266cbdc1e762e4@mail.gmail.com>
Subject: Re: Unable to load iwlagn module: Failed to register hw (error -17)
To: Johannes Berg <johannes@sipsolutions.net>
Cc: reinette chatre <reinette.chatre@intel.com>,
	John Ranson <ranson@analager.net>,
	"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
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Sender: linux-wireless-owner@vger.kernel.org

On Wed, Jul 15, 2009 at 9:11 AM, Johannes Berg<johannes@sipsolutions.net> wrote:
> Hi,
>
>> On Tue, 2009-07-14 at 21:25 -0700, John Ranson wrote:
>> > [    4.252445] iwlagn 0000:03:00.0: Tunable channels: 11 802.11bg, 13
>> > 802.11a channels
>> > [    4.252556] iwlagn 0000:03:00.0: irq 30 for MSI/MSI-X
>> > [    4.252945] iwlagn 0000:03:00.0: Failed to register hw (error -17)
>> > [    4.253255] iwlagn 0000:03:00.0: PCI INT A disabled
>> > [    4.253263] iwlagn: probe of 0000:03:00.0 failed with error -17
>>
>> This is ieee80211_register_hw() returning error 17 (EEXIST). One spot I
>> saw where this can happen is if you are trying to register with the same
>> name (wlanX) already used by another netdevice. Does this sound possible
>> in your setup?
>>
>> Johannes - do you perhaps have an idea when this can happen?
>
> This is strange -- I've had one report of this with 3945 which went away
> and seemed to have been a compat only issue, I suspect this is also just
> a compat-wireless issue, but I have no idea.

We've had a lot of changes to compat-wireless recently so this is possible.

John, can you cat compat-release on your compat-wireless directory?

  Luis