From owner-freebsd-hackers Thu Sep 12 6:33:42 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6DB1D37B400 for ; Thu, 12 Sep 2002 06:33:39 -0700 (PDT) Received: from flamingo.mail.pas.earthlink.net (flamingo.mail.pas.earthlink.net [207.217.120.232]) by mx1.FreeBSD.org (Postfix) with ESMTP id 18D6A43E6E for ; Thu, 12 Sep 2002 06:33:39 -0700 (PDT) (envelope-from tlambert2@mindspring.com) Received: from pool0003.cvx40-bradley.dialup.earthlink.net ([216.244.42.3] helo=mindspring.com) by flamingo.mail.pas.earthlink.net with esmtp (Exim 3.33 #1) id 17pU6B-0004eW-00; Thu, 12 Sep 2002 06:33:35 -0700 Message-ID: <3D809770.6E6CA1FD@mindspring.com> Date: Thu, 12 Sep 2002 06:32:32 -0700 From: Terry Lambert X-Mailer: Mozilla 4.79 [en] (Win98; U) X-Accept-Language: en MIME-Version: 1.0 To: mark tinguely Cc: bms@spc.org, hackers@FreeBSD.ORG Subject: Re: Supporting HW_WDOG? References: <200209121315.g8CDFVJ55830@web.cs.ndsu.nodak.edu> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG mark tinguely wrote: > > Is there any documentation, or source code, demonstrating how to implement > > a hardware watchdog for FreeBSD using the HW_WDOG kernel option? > > the HW_WDOG option attempts to keep the watchdog from expiring while > the core memory is being dumped to a IDE drive. The SCSI dadump() > does not use wdog_tickler. By this, you mean that it does not support preventing the watchdog rest from being triggered while a dump is in progress? > your hardware watchdog driver will have to set the varible wdog_tickler > to your watch dog tickler routine, or a generic routine if multiple watchdog > timers could be supported in one machine. And modify the SCSI dadump() to call the routine at intervals during a dump, right? -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message