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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