From owner-freebsd-current Thu Sep 7 22:36:29 2000 Delivered-To: freebsd-current@freebsd.org Received: from wantadilla.lemis.com (wantadilla.lemis.com [192.109.197.80]) by hub.freebsd.org (Postfix) with ESMTP id 1F16537B422; Thu, 7 Sep 2000 22:36:25 -0700 (PDT) Received: (from grog@localhost) by wantadilla.lemis.com (8.11.0/8.9.3) id e885aKA67706; Fri, 8 Sep 2000 15:06:20 +0930 (CST) (envelope-from grog) Date: Fri, 8 Sep 2000 15:06:20 +0930 From: Greg Lehey To: Mike Smith Cc: Kenneth Wayne Culver , John Baldwin , Steve Ames , freebsd-current@FreeBSD.ORG Subject: Re: microuptime() went backwards Message-ID: <20000908150620.Y83632@wantadilla.lemis.com> References: <20000908135433.V83632@wantadilla.lemis.com> <200009080543.WAA01815@mass.osd.bsdi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0i In-Reply-To: <200009080543.WAA01815@mass.osd.bsdi.com>; from msmith@FreeBSD.ORG on Thu, Sep 07, 2000 at 10:43:11PM -0700 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-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Thursday, 7 September 2000 at 22:43:11 -0700, Mike Smith wrote: >>> Sep 7 14:35:55 laptop /kernel: microuptime() went backwards (10412.355980 -> 10412, -694583121)y >>> >>> this is bad.. right ? :-) >> >> Well, at any rate it looks very funny. If this is a laptop, try >> building a kernel without apm and see if that helps. > > It only helps "hide" the problem. There's either *extremely* bogus data > coming in, or an arithmetic or sequencing error that's allowing a corrupt > timecounter to be seen. Correct. As I mentioned earlier in the thread, phk has an idea what the problem is, and he's asked for people with it to contact him. Greg -- 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-current" in the body of the message