Date: Wed, 28 Jun 2006 23:28:24 +0100 (BST) From: Robert Watson <rwatson@FreeBSD.org> To: User Freebsd <freebsd@hub.org> Cc: freebsd-stable@freebsd.org Subject: Re: How to enter DDB through a terminal server / remote console ... ? Message-ID: <20060628232727.N78211@fledge.watson.org> In-Reply-To: <20060628175839.F43909@ganymede.hub.org> References: <20060628175839.F43909@ganymede.hub.org>
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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. Robert N M Watson Computer Laboratory University of Cambridge
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