From owner-freebsd-hackers@freebsd.org Fri Nov 6 19:49:31 2020 Return-Path: Delivered-To: freebsd-hackers@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id E839D2D0248 for ; Fri, 6 Nov 2020 19:49:31 +0000 (UTC) (envelope-from phk@critter.freebsd.dk) Received: from s2gw.ddhf.dk (s2gw.ddhf.dk [130.226.214.244]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4CSWDq5ZCWz4gkn; Fri, 6 Nov 2020 19:49:31 +0000 (UTC) (envelope-from phk@critter.freebsd.dk) Received: from critter.freebsd.dk (unknown [192.168.55.3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by s2gw.ddhf.dk (Postfix) with ESMTPS id CC4D6C3F3A; Fri, 6 Nov 2020 19:49:15 +0000 (UTC) Received: (from phk@localhost) by critter.freebsd.dk (8.16.1/8.16.1/Submit) id 0A6JnUxR020509; Fri, 6 Nov 2020 19:49:30 GMT (envelope-from phk) To: Ravi Pokala cc: "freebsd-hackers@freebsd.org" Subject: Re: Have trick, not sure where to document... In-reply-to: <9498D30F-4FDE-40BE-9941-B7C2DBD6E9DA@panasas.com> From: "Poul-Henning Kamp" References: <9498D30F-4FDE-40BE-9941-B7C2DBD6E9DA@panasas.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <20507.1604692170.1@critter.freebsd.dk> Content-Transfer-Encoding: quoted-printable Date: Fri, 06 Nov 2020 19:49:30 +0000 Message-ID: <20508.1604692170@critter.freebsd.dk> X-Rspamd-Queue-Id: 4CSWDq5ZCWz4gkn X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 06 Nov 2020 19:49:32 -0000 -------- Ravi Pokala writes: > If the system has IPMI, there are ways to configure it such that it will= enable the watchdog during POST, then disable it when it = > hands off to the OS. At which time, of course, the OS can re-enable it. It does not. I specifically do *not* want it to turn the watchdog off when handing to the OS, I want to catch problems that cause hanging during boot, so that I, with suitable patience (or automation), can catch it next time it resets. -- = Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe = Never attribute to malice what can adequately be explained by incompetence= .