Date: Tue, 16 Mar 1999 21:56:01 +0900 From: "Daniel C. Sobral" <dcs@newsguy.com> To: Steve Passe <smp@csn.net> Cc: hackers@FreeBSD.ORG Subject: Re: power-off without halt Message-ID: <36EE54E1.40572320@newsguy.com> References: <199903151655.JAA28147@Ilsa.StevesCafe.com>
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Steve Passe wrote: > > We are looking at using FreeBSD as an "embedded OS" inside a line > of instruments we are building. I think I have a handle on all the > issues except how to cleanly handle shutdown where there is no > console, and thus no way to send a 'halt' command. The requirement > is that the user can merely turn off the power, nothing more required. > > I can modify the disk setup, kernel/util code as needed, I just need some > idea for a workable solution. Has anyone delt with this problem before? Steve, this problem might be similar to the one of a UPS-backed unit. In such systems, it is common to have a signal being sent from the UPS to the computer, so that the computer will shutdown before the UPS batteries run out. -- Daniel C. Sobral (8-DCS) dcs@newsguy.com dcs@freebsd.org "What happened?" "It moved, sir!" To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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