RE: [ipw3945-devel] chaning mode only when interface down?

["Winkler, Tomas" <tomas winkler intel com>]

>-----Original Message-----
>From: ipw3945-devel-bounces lists sourceforge net
[mailto:ipw3945-devel-
>bounces lists sourceforge net] On Behalf Of dragoran
>Sent: Thursday, August 02, 2007 12:17 PM
>To: Johannes Berg
>Cc: Dan Williams; linux-wireless vger kernel org; network manager;
ipw3945-
>devel lists sourceforge net
>Subject: Re: [ipw3945-devel] chaning mode only when interface down?
>
>Johannes Berg wrote:
>> On Thu, 2007-08-02 at 09:44 +0200, dragoran wrote:
>>
>>> I noticed that I have to do ifdown wlan0 before I can change the
mode
>>> with iwconfig.
>>> When I do it while the interface is up I get a error that the device
is
>>> busy.
>>>
>>
>> It is busy.
>>
>>
>ok
>>> It seems to happen with ad-hoc, master and back from them to
managed.
>>> Is this a bug in the iwlwifi driver or in mac80211 ?
>>>
>>
>> Neither, it is expected behaviour.
>ok thx for this info.
>>  Blame it on Jean that wireless
>> extensions are ill-defined and don't mandate this.
>>
>>
>>> Because of this NM can't create ad-hoc networks because it does it
while
>>> the device is up.
>>> Any ideas?
>>>
>>
>> Fix NM?
>>
>>
>Dan, something for you  ;)
>does NM knows if the driver is a mac80211 one?
>
>

There is a definitely a known issue in the driver that we still need to
resolve, but I agree with Johannes that there is a problem in design of
the configuration as well. 
Unfortunately as this is in lower priority on my list now it will take
few weeks till I get to solve this. 
 
Tomas
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