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Date:      Wed, 22 Feb 2012 18:24:18 -0700
From:      Ian Lepore <freebsd@damnhippie.dyndns.org>
To:        Warren Block <wblock@wonkity.com>
Cc:        freebsd-rc@freebsd.org
Subject:   Re: dhclient SYNCDHCP messiness
Message-ID:  <1329960258.1095.4.camel@revolution.hippie.lan>
In-Reply-To: <alpine.BSF.2.00.1202221701490.80831@wonkity.com>
References:  <alpine.BSF.2.00.1202220923030.77675@wonkity.com> <1329938748.21804.8.camel@revolution.hippie.lan> <alpine.BSF.2.00.1202221348360.79830@wonkity.com> <1329949733.1063.6.camel@revolution.hippie.lan> <alpine.BSF.2.00.1202221701490.80831@wonkity.com>

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On Wed, 2012-02-22 at 17:23 -0700, Warren Block wrote:
> On Wed, 22 Feb 2012, Ian Lepore wrote:
> 
> > First, let me correct myself:  I *am* seeing exactly this glitch, I just
> > hadn't noticed it until a few minutes ago when I rebooted and looked
> > much more closely.
> >
> > Devd sees the link-up event because it sees all the events that happened
> > before it started (for some definition of "all"; there's probably some
> > reasonable list-length or buffer size limit somewhere).  I rebooted to
> > test my vague memory on this... boot into single-user mode and manually
> > run /sbin/devd -D and you'll see it processing the buffered events
> > before daemonizing.  For some reason I had to mount / writeable before
> > running devd in single-user or it failed.
> >
> > I now suspect (but haven't tested to confirm) that this message may be a
> > side effect of r226345 which replaced some one-off pidfile logic in
> > rc.d/dhclient with use of the standard rc_pid scheme, which is what is
> > doing the whining.  I think the old one-off code to deal with the
> > pidfile avoided whining in the 'quietstart' case.
> 
> Has r226345 been MFCed to 8-stable?  I only see it in head.

Apparently so, in r231278.  Maybe you're not seeing what you expect
because there was some glitch with the way the merge was done, which I
totally didn't understand when I saw the commit mail and replies -- I'm
just starting to learn svn so I didn't get all the implications of that
thread.

-- Ian





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