From owner-freebsd-hackers Tue Jan 26 13:15:05 1999 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id NAA01035 for freebsd-hackers-outgoing; Tue, 26 Jan 1999 13:15:05 -0800 (PST) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from iquest3.iquest.net (iquest3.iquest.net [209.43.20.203]) by hub.freebsd.org (8.8.8/8.8.8) with SMTP id NAA01030 for ; Tue, 26 Jan 1999 13:15:04 -0800 (PST) (envelope-from toor@y.dyson.net) Received: (qmail 18535 invoked from network); 26 Jan 1999 21:13:37 -0000 Received: from dyson.iquest.net (HELO y.dyson.net) (198.70.144.127) by iquest3.iquest.net with SMTP; 26 Jan 1999 21:13:37 -0000 Received: (from root@localhost) by y.dyson.net (8.9.1/8.9.1) id QAA01092; Tue, 26 Jan 1999 16:13:38 -0500 (EST) Message-Id: <199901262113.QAA01092@y.dyson.net> Subject: Re: Any way to get machine out of hires when it breaks into DDB> ? In-Reply-To: <199901262039.MAA21275@apollo.backplane.com> from Matthew Dillon at "Jan 26, 99 12:39:47 pm" To: dillon@apollo.backplane.com (Matthew Dillon) Date: Tue, 26 Jan 1999 16:13:38 -0500 (EST) Cc: hackers@FreeBSD.ORG From: "John S. Dyson" Reply-To: dyson@iquest.net X-Mailer: ELM [version 2.4ME+ PL38 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Matthew Dillon said: > I just had a crash on my workstation. X froze up in the middle of a > redraw, and the machine unresponsive to pings from the outside. > > The thing had dropped into DDB. I really wanted to see what DDB was > trying to tell me so I could fix it, but I couldn't see it since it > was still in X. > > I knew it was in DDB because I could type 'panic' and > the machine rebooted :-) > > It sure wouuld be nice if DDB could restore the video back to VGA. > Anybody have any ideas? > Make a bios call to the video bios :-). (I know that it sounds crazy, but all it should take is saving the state of memory for the bios, and use a trampoline.) -- John | Never try to teach a pig to sing, dyson@iquest.net | it makes one look stupid jdyson@nc.com | and it irritates the pig. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message