service netif restart [iface] runs a wpa_supplicant twice

[clutton]

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 at zoho.com> wrote:
>         On Fri, 2013-11-01 at 12:33 -0700, Adrian Chadd wrote:
>         > On 1 November 2013 12:16, Bernhard Schmidt
>         <bschmidt at 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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