Date: Thu, 11 May 2000 15:21:47 +0200 From: Bjoern Fischer <bfischer@Techfak.Uni-Bielefeld.DE> To: Mike Nowlin <mike@argos.org> Cc: Kris Kirby <kris@hiwaay.net>, David Miller <dmiller@search.sparks.net>, freebsd-stable@FreeBSD.ORG Subject: Re: serial console buglet Message-ID: <20000511152147.A380@frolic.no-support.loc> In-Reply-To: <Pine.LNX.4.05.10005110203180.167-100000@jason.argos.org>; from mike@argos.org on Thu, May 11, 2000 at 02:10:29AM -0400 References: <Pine.BSF.4.10.10005101801360.88870-100000@barricuda.bsd.nws.net> <Pine.LNX.4.05.10005110203180.167-100000@jason.argos.org>
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On Thu, May 11, 2000 at 02:10:29AM -0400, Mike Nowlin wrote: > Speaking of serial consoles, I keep getting bit by a little bug that is a > descendant of the RS-232 specification (mother) and unterminated signals > (father). >=20 > On some of my machines that have serial consoles connected to (usually) > Wyse 150 & Wyse 60 terminals, they have the annoying habit of not > rebooting if the serial console is turned off... Turn the console on or > pull the serial cable, and the machine proceeds to boot. (3-wire=20 > interface). Without digging into the source yet, I'm guessing there's > something in there that keeps the boot process from starting if there's a= =20 > constant mark/space (don't remember which one -- been a long day) on the > console port. =20 >=20 > #1 - Is this correct? Do you initiate a reboot and then switch off the TTY? Switching off a TTY may look like a BREAK signal to the host side RS232. Bj=F6rn --=20 -----BEGIN GEEK CODE BLOCK----- GCS d--(+) s++: a- C+++(-) UB++++OSI++++$ P+++(-) L---(++) !E W- N+ o>+ K- !w !O !M !V PS++ PE- PGP++ t+++ !5 X++ tv- b+++ D++ G e+ h-- y+=20 ------END GEEK CODE BLOCK------ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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