Date: Thu, 06 Sep 2012 11:19:21 -0600 From: Ian Lepore <freebsd@damnhippie.dyndns.org> To: obrien@freebsd.org Cc: Arthur Mesh <arthurmesh@gmail.com>, freebsd-security@freebsd.org, Doug Barton <dougb@freebsd.org>, freebsd-rc@freebsd.org Subject: Re: svn commit: r239598 - head/etc/rc.d Message-ID: <1346951961.59094.158.camel@revolution.hippie.lan> In-Reply-To: <20120906164514.GA14757@dragon.NUXI.org> References: <201208222337.q7MNbORo017642@svn.freebsd.org> <5043E449.8050005@FreeBSD.org> <20120904220126.GA85339@dragon.NUXI.org> <50468326.8070009@FreeBSD.org> <20120906164514.GA14757@dragon.NUXI.org>
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On Thu, 2012-09-06 at 09:45 -0700, David O'Brien wrote: > > > I'll have to give the kenv output a look. I would > > also like to confirm that it's available on all platforms. > > Geez, I'm not that stupid. Do you see any guards within bin/Makefile > that only build it for for some architectures? I verified we have it > on > MIPS, ARM, and PowerPC and gives some output. It does not give as > much > system-specific output as on x86 -- I wish it did, but the output can > be > rather unique on x86 it is worth including it. > The kenv application may be available, but on any platform that lacks /boot/loader it's likely to produce empty output. Because the kernel environment is typically empty, an embedded system may not even have the kenv binary installed. I should note that I don't think the needs of embedded systems should carry so much weight in this discussion that it leads to jumping through major hoops. I think the most important point would be "Let failures be soft ones" -- things you may think of as basic tools always available on a minimal installation may not be there on a stripped down embedded system; no big deal, just don't hang the system or anything else dire in that case. Beyond that, I think a facility that lets a specialized embedded system provide an alternate command sequence for seeding covers the rest of the needs of embedded systems well enough. -- Ian
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