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Date:      Fri, 1 Nov 2013 23:50:21 -0700
From:      Adrian Chadd <adrian.chadd@gmail.com>
To:        clutton <clutton@zoho.com>
Cc:        "freebsd-wireless@freebsd.org" <freebsd-wireless@freebsd.org>
Subject:   Re: service netif restart [iface] runs a wpa_supplicant twice
Message-ID:  <CAJ-VmonP63PV%2BoP6feZiRCJrB_fFU3xwK%2Btu%2BB6MR-py4ey_4Q@mail.gmail.com>
In-Reply-To: <1383338117.13657.53.camel@eva02.mbsd>
References:  <1382572583.1862.39.camel@eva02.mbsd> <CAJ-VmonD%2B0rEAYm0Zk5HviciJEngTQ2j5xcKPzuNXBH8CWNA7g@mail.gmail.com> <1382589020.1846.36.camel@eva02.mbsd> <CAJ-Vmok=-bWq-eohdJt%2BwcTrJ43cak_sQu_hxO%2Bzt7HauGgg5g@mail.gmail.com> <1383331203.12614.1.camel@eva02.mbsd> <CAAgh0_aq7Mw-4JA6sEa2MoaqjivSNTKkRnfJwuct%2B=v-o4U2kg@mail.gmail.com> <CAJ-VmonRPHaYAKTm8V5Rj2Uc_ONqbTu2wxZrTM%2Buwpkc7RpLTg@mail.gmail.com> <1383336004.13657.18.camel@eva02.mbsd> <CAJ-VmomTsNH=%2BE_HXrSBfq-FLfw_5FqejW2NkH%2BLTKVFMSda4A@mail.gmail.com> <1383338117.13657.53.camel@eva02.mbsd>

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OK, so where's the other path for invoking wpa_supplicant?


-a

On 1 November 2013 13:35, clutton <clutton@zoho.com> wrote:
> On Fri, 2013-11-01 at 13:02 -0700, Adrian Chadd wrote:
>> What's running the other copy?
>>
>>
>>
>> Adrian
>>
>> On Nov 1, 2013 4:00 PM, "clutton" <clutton@zoho.com> wrote:
>>         On Fri, 2013-11-01 at 12:33 -0700, Adrian Chadd wrote:
>>         > On 1 November 2013 12:16, Bernhard Schmidt
>>         <bschmidt@techwires.net> wrote:
>>         >
>>         > > That actually is a design question I once wrapped my head
>>         around
>>         > > unsuccessfully. The lines above are responsible for
>>         configuring wlan0
>>         > > if it is created, eg.
>>         > > ifconfig wlan0 destroy
>>         > > ifconfig wlan0 create wlandev ath0
>>         > > will invoke above code which will then invoke
>>         pccard_ether. Changing
>>         > > the code as you intent to will prevent this.
>>         > >
>>         > > Someone should step up an decide what is supposed to
>>         happen, should
>>         > > wlan0 in that case be configured as stated in rc.conf, or
>>         not?
>>         > >
>>         > > The actual issue though, is in wpa_supplicant itself. It
>>         has code to
>>         > > prevent it being started twice, but that doesn't kick in
>>         because the
>>         > > instances are started to fast and we loose (have not yet
>>         setup enough)
>>         > > information in our net code.
>>         >
>>         > Uhm, I'm confused by this. Would you mind explaining it in a
>>         bit more detail?
>>         >
>>         >
>>         > -a
>>
>>         The devd runs a pccard_ether script when the IFNET interface
>>         appears.
>>         In some rare cases you can see two copies of the
>>         wpa_sopplicant.
>
> devd:
>
> notify 0 {
>         match "system"          "IFNET";
>         match "subsystem"       "!usbus[0-9]+";
>         match "type"            "ATTACH";
>         action "/etc/pccard_ether $subsystem start";
> };
>



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