Date: Wed, 28 Jun 2006 19:34:43 -0300 (ADT) From: User Freebsd <freebsd@hub.org> To: Robert Watson <rwatson@FreeBSD.org> Cc: freebsd-stable@freebsd.org Subject: Re: How to enter DDB through a terminal server / remote console ... ? Message-ID: <20060628193421.B43909@ganymede.hub.org> In-Reply-To: <20060628232727.N78211@fledge.watson.org> References: <20060628175839.F43909@ganymede.hub.org> <20060628232727.N78211@fledge.watson.org>
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On Wed, 28 Jun 2006, Robert Watson wrote: > > On Wed, 28 Jun 2006, User Freebsd wrote: > >> 'k, now that I'm up to 3 6-STABLE servers that are deadlocking, I'm >> spending time with the remote tech today to get a serial console put online >> ... how do I drop into DDB remotely, where the serial console is going >> through a Portmaster Terminal server? issuing CTL-ALT-ESC, I doubt, will >> work, will it? > > If configured to use a serial console (console="comconsole" in loader.conf), > you can enter the debugger with BREAK_TO_DEBUGGER in the kernel config by > sending a serial break. With my portmasters, I telnet to a TCP port to > connect to the serial console, so I send a telnet break, using ^]send break. Have you ever had a problem with this warning: "(useful for remote diagnostics, but also dangerous if you generate a spurious BREAK on the serial port!)" in the handbook? ---- Marc G. Fournier Hub.Org Networking Services (http://www.hub.org) Email . scrappy@hub.org MSN . scrappy@hub.org Yahoo . yscrappy Skype: hub.org ICQ . 7615664
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