Date: Sun, 1 Oct 2000 12:32:17 +0200 From: Alexander Langer <alex@big.endian.de> To: Poul-Henning Kamp <phk@critter.freebsd.dk> Cc: Jeremy Lea <reg@FreeBSD.ORG>, Mike Meyer <mwm@mired.org>, current@FreeBSD.ORG Subject: Re: setting device permissions for DEVFS Message-ID: <20001001123217.A2644@cichlids.cichlids.com> In-Reply-To: <11056.970344237@critter>; from phk@critter.freebsd.dk on Sat, Sep 30, 2000 at 10:03:57PM %2B0200 References: <20000930120607.C349@shale.csir.co.za> <11056.970344237@critter>
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Thus spake Poul-Henning Kamp (phk@critter.freebsd.dk):
> You guys are overlooking something about DEVFS: devices may appear
> post-boot.
Ah, yes.
BTW: Devices don't disappear if you unload devices.
This happens for example with bktr.ko.
When I then reload bktr.ko, I get the following:
WARNING: Driver mistake: repeat make_dev("bktr0")
WARNING: Driver mistake: repeat make_dev("tuner0")
WARNING: Driver mistake: repeat make_dev("vbi0")
> We need a generic "devd" which finds out that devices have appeared,
> set their perms (if needed/wanted) and executes any commands needed
> (getty, mount, etc etc) by the device.
Hmm. A technical question: How would the devd be notifed about an
event in the devfs?
Does it open a (new) device as for example the usbd does, or how would
you solve that?
Alex
--
cat: /home/alex/.sig: No such file or directory
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