Date: Sun, 16 Dec 2001 15:33:53 +0100 From: "Alson van der Meulen" <alm@flutnet.org> To: freebsd-stable@FreeBSD.ORG Subject: Re: serial console (was: Determining Crash cause?) Message-ID: <20011216153353.Y10171@md2.mediadesign.nl> In-Reply-To: <20011216150752.A1494@shell.gsinet.sittig.org> References: <3C1B2681.2E507732@vortex.wa4phy.net> <20011215204911.E22667@freeway.dcfinc.com> <20011216150752.A1494@shell.gsinet.sittig.org>
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On Sun, Dec 16, 2001 at 03:07:53PM +0100, Gerhard Sittig wrote: > On Sat, Dec 15, 2001 at 20:49 -0700, Chad R. Larson wrote: > > > > On Sat, Dec 15, 2001 at 05:31:29AM -0500, Sam Drinkard wrote: > > > Is there any known method to determine the cause of a crash > > > when there is no panic, no log entries, or other evidence? > > > [ ... ] > > > > Build a kernel with debugging, connect a terminal (or pc running > > Hyperterm or some other equivelant) to a serial port on the FreeBSD > > box, configure for console port, set the Hyperterm to log and then > > wait for the next crash. See if anything useful is captured in the > > log. > > I have a maybe dumb question: Whenever I (sparadically) checked > the Handbook since I'm in this situation to keep boot logs of > systems without installing a system I only see explanations of > what to do to the "controlled" system. Shouldn't there be at > least one mention of the "counterpart" in terms of which base > system program or port could be "the terminal"? Doing a quick > "man -k serial", "man -k console", and "man -k terminal" doesn't > reveal anything appropriate, while the "SEE ALSO" section in > getty(8) -- which looks like the most promising place to look > at -- doesn't have a reference to the "other side" either. cu(1), tip(1), /usr/ports/comms/minicom, to name a few, but nothing really dedicated for this purpose. Alson To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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