From owner-freebsd-hackers Fri Jun 30 22:57:48 1995 Return-Path: hackers-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.10/8.6.6) id WAA02814 for hackers-outgoing; Fri, 30 Jun 1995 22:57:48 -0700 Received: from bitcom (sovcom.kiae.su [144.206.136.1]) by freefall.cdrom.com (8.6.10/8.6.6) with SMTP id WAA02804 for ; Fri, 30 Jun 1995 22:57:40 -0700 Received: by bitcom id AA03108 (5.65.kiae-1 ); Sat, 1 Jul 1995 08:52:13 +0300 Received: by sovcom.KIAE.su (UUMAIL/2.0); Sat, 1 Jul 95 08:52:12 +0300 Received: by astral.msk.su (UUPC/@ v6.14g, 06Jun95) id AA04533; Sat, 1 Jul 1995 09:28:50 +0400 (MSD) To: dennis , inet-access@earth.com Cc: freebsd-hackers@freebsd.org References: <199506282326.TAA22957@mail.htp.com> In-Reply-To: <199506282326.TAA22957@mail.htp.com>; from dennis at Wed, 28 Jun 1995 19:26:17 -0400 Message-Id: Organization: Ha-olahm Yetzirah X-Mailer: Mail/@ [v2.38 MSDOS] Date: Sat, 1 Jul 1995 09:28:49 +0400 (MSD) From: =?KOI8-R?Q?=E1=CE=C4=D2=C5=CA_=FE=C5=D2=CE=CF=D7?= aka "Andrey A. Chernov, Black Mage" X-Class: Fast Subject: Re: Watchdog/Hard Reboot for BSD UN*X Mime-Version: 1.0 Lines: 19 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Length: 896 Sender: hackers-owner@freebsd.org Precedence: bulk In message <199506282326.TAA22957@mail.htp.com> dennis writes: >The ET/WDT is an ISA card with a hardware timer that wires directly into >the reset switch on the pc and can reset the PC just as if you pressed the >reset button. The watchdog timer can detect system hangs in seconds instead >of hours. The question is: what happens for soft reboot? I.e. if program just use reboot() syscall? Bad assumption is: system reboots, watchdog don't receive his tics anymore and goes to reboot timeout, system start to load, and in the middle of system loading watchdog issue reset, so system boots again... -- Andrey A. Chernov : And I rest so composedly, /Now, in my bed, ache@astral.msk.su : That any beholder /Might fancy me dead - FidoNet: 2:5020/230.3 : Might start at beholding me, /Thinking me dead. RELCOM Team,FreeBSD Team : E.A.Poe From "For Annie" 1849