Date: Sun, 07 Jan 2001 18:41:11 +0900 From: "Daniel C. Sobral" <dcs@newsguy.com> To: John Baldwin <jhb@FreeBSD.ORG> Cc: Poul-Henning Kamp <phk@critter.freebsd.dk>, FreeBSD hackers <freebsd-hackers@FreeBSD.ORG>, "Walter W. Hop" <walter@binity.com> Subject: Re: Boot process robustness Message-ID: <3A5839B7.2ABBD912@newsguy.com> References: <XFMail.001229155229.jhb@FreeBSD.org>
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John Baldwin wrote: > > /boot/loader.conf perhaps, but how does the loader know that the previous boot > failed so that it knows to fall back? This is much harder, as a failed kernel > boot usually results in a hang or an instant CPU reset. Loader sets a flag before booting, and the boot process resets it at the end. Of course, loader doesn't have write capability. -- Daniel C. Sobral (8-DCS) dcs@newsguy.com dcs@freebsd.org capo@a.crazy.bsdconspiracy.net "There is no spoon." -- Kiki To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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