Date: Tue, 11 Sep 2012 21:55:34 -1000 From: Doug Barton <dougb@FreeBSD.org> To: Ian Lepore <freebsd@damnhippie.dyndns.org> Cc: Arthur Mesh <arthurmesh@gmail.com>, freebsd-rc@FreeBSD.ORG, Peter Jeremy <peter@rulingia.com>, obrien@FreeBSD.ORG, freebsd-security@FreeBSD.ORG, RW <rwmaillists@googlemail.com>, =?ISO-8859-1?Q?Dag-Erling_Sm=F8rgrav?= <des@des.no>, Xin Li <delphij@delphij.net> Subject: Re: svn commit: r239569 - head/etc/rc.d Message-ID: <50503FF6.4050605@FreeBSD.org> In-Reply-To: <1347373256.1137.52.camel@revolution.hippie.lan> References: <50451D6E.30401@FreeBSD.org> <20120903214638.GO1464@x96.org> <50453686.9090100@FreeBSD.org> <20120904220754.GA3643@server.rulingia.com> <20120906174247.GB13179@dragon.NUXI.org> <20120906230157.5307a21f@gumby.homeunix.com> <20120906224703.GD89120@x96.org> <20120907015157.GA29497@server.rulingia.com> <20120910135218.GA68128@dragon.NUXI.org> <867gs2hqtt.fsf@ds4.des.no> <20120911054608.GA72584@dragon.NUXI.org> <1347373256.1137.52.camel@revolution.hippie.lan>
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On 09/11/2012 04:20 AM, Ian Lepore wrote: > On Mon, 2012-09-10 at 22:46 -0700, David O'Brien wrote: >> >>> -r just changes the sort order, which is probably pointless. >> >> I'm not wedded to "-r", but since you're proposing this to not use "-r", >> which Ian Lepore suggested after instrumenting /etc/rc.d/initrandom and >> looking at the output, please show a diff of two boots with "-r" and >> without "-r" so can see what the change really is. >> > > I observed that the order of displayed processes could differ from one > reboot to the next, even on an embedded system where little else > differed. It seemed to me that a difference in order, while small, > might be significant. Yes, even small changes that early in the process help with the replay scenario, even if they don't feed a large amount of unique entropy into the device. Doug
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