Date: Sun, 18 Jan 2009 22:19:29 +0100 From: Luigi Rizzo <rizzo@iet.unipi.it> To: Andrew Thompson <thompsa@freebsd.org> Cc: Andrew Lankford <lankfordandrew@charter.net>, stable@freebsd.org Subject: Re: System borked: loader stack overflow. Message-ID: <20090118211929.GA29063@onelab2.iet.unipi.it> In-Reply-To: <20090118201809.GA44812@citylink.fud.org.nz> References: <49729D80.8010506@charter.net> <20090118093346.GA9819@onelab2.iet.unipi.it> <49734D0B.8050604@charter.net> <20090118164724.GA21705@onelab2.iet.unipi.it> <20090118185605.GA28874@citylink.fud.org.nz> <497380BB.1050409@charter.net> <20090118200856.GA28366@onelab2.iet.unipi.it> <20090118201809.GA44812@citylink.fud.org.nz>
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On Sun, Jan 18, 2009 at 12:18:09PM -0800, Andrew Thompson wrote: > On Sun, Jan 18, 2009 at 09:08:56PM +0100, Luigi Rizzo wrote: > > On Sun, Jan 18, 2009 at 02:19:23PM -0500, Andrew Lankford wrote: > > > Andrew Thompson wrote: > > ... > > > >Having the following in /boot/loader.conf triggers it for me, > > > > > > > > loader_conf_files="/boot/device.hints /boot/loader.conf" > > > > > > > >You may say thats its an invalid config line but the loader shouldnt > > > >blow up from it. Can this be fixed up somehow? > > > > no, this cannot be "fixed" because it is the user misprogramming > > the system, such as providing the wrong path to the kernel > > or writing a loop in /etc/rc.conf or a billion other ways. > > Yes, but you can copy /etc/defaults/rc.conf to /etc/rc.conf and things > still work. just because it contains only variable assignments, whereas the "assignments" in loader.conf have other side effects. However, I agree that a split of the content of loader.conf might make reduce the chance of mistakes. I'll look into this. > Ok, then loader_conf_files needs to be marked as special and not to be > overridden from /boot/defaults/loader.conf like all the other options. Unless i misunderstand what you say, this is already documented in loader.conf(5) cheers luigi
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