From owner-freebsd-questions Wed May 31 17:14:53 2000 Delivered-To: freebsd-questions@freebsd.org Received: from wantadilla.lemis.com (wantadilla.lemis.com [192.109.197.80]) by hub.freebsd.org (Postfix) with ESMTP id B649E37B935 for ; Wed, 31 May 2000 17:14:47 -0700 (PDT) (envelope-from grog@wantadilla.lemis.com) Received: (from grog@localhost) by wantadilla.lemis.com (8.9.3/8.9.3) id JAA19930; Thu, 1 Jun 2000 09:44:22 +0930 (CST) (envelope-from grog) Date: Thu, 1 Jun 2000 09:44:22 +0930 From: Greg Lehey To: Dirk Zoller Cc: questions@FreeBSD.ORG Subject: Re: microuptime went backwards on Athlon Message-ID: <20000601094422.C16657@wantadilla.lemis.com> References: <39362619.D6A1ECEE@onlinehome.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0pre2i In-Reply-To: <39362619.D6A1ECEE@onlinehome.de> Organization: LEMIS, PO Box 460, Echunga SA 5153, Australia Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-418-838-708 WWW-Home-Page: http://www.lemis.com/~grog X-PGP-Fingerprint: 6B 7B C3 8C 61 CD 54 AF 13 24 52 F8 6D A4 95 EF Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Thursday, 1 June 2000 at 11:00:09 +0200, Dirk Zoller wrote: > Hello, > > yesterday I changed my mainboard/CPU to an EPOX 7KXA and an Athlon 700. > Before I had an K6-2/450 and few problems (at least not the following). > > Now I see the system going nuts with zillions of messages > "microuptime went backwards" in the syslog. Actually the system > becomes unusable because it is so busy writing these messages. > > At the same time the clock moves rapidly forward. Within a few minutes > the output of the date command advances by several hours. > > I'm not sure when this happens but it seems to be start when > the system is under load of a big compile job. I.e. I can use it for > hours with editing tasks but when I start to compile stuff -- not the > first time but after a while -- the problem begins. > I also observed the problem when using gzip on a very large file. Yes, I had these same problems with the same motherboard. I'm writing on it now, so it's soluble :-) > I don't think it is a thermal problem because I have a good cooler and > the BIOS reports temperatures under 40 degree Celsius. Also I reduced > the system clock to see if that helps. It didn't. No, that's not the way. > I would be grateful for any hint, as I'd neither like to downgrade my > hardware nor my operating system. The problem is with the APM. On my motherboard, it's not possible to completely disable APM (the BIOS menu selection is missing). Try selecting minimum APM functionality, or configure the APM device: device apm0 at nexus? flags 0x31 # Advanced Power Management Greg -- When replying to this message, please copy the original recipients. For more information, see http://www.lemis.com/questions.html Finger grog@lemis.com for PGP public key See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message