From owner-freebsd-current Mon Mar 13 12:17:49 2000 Delivered-To: freebsd-current@freebsd.org Received: from mass.cdrom.com (mass.cdrom.com [204.216.28.184]) by hub.freebsd.org (Postfix) with ESMTP id 6E58737B64C for ; Mon, 13 Mar 2000 12:17:46 -0800 (PST) (envelope-from msmith@mass.cdrom.com) Received: from mass.cdrom.com (localhost [127.0.0.1]) by mass.cdrom.com (8.9.3/8.9.3) with ESMTP id MAA01252; Mon, 13 Mar 2000 12:18:14 -0800 (PST) (envelope-from msmith@mass.cdrom.com) Message-Id: <200003132018.MAA01252@mass.cdrom.com> X-Mailer: exmh version 2.1.1 10/15/1999 To: "David E. Cross" Cc: current@freebsd.org Subject: Re: calcru / microuptime problem In-reply-to: Your message of "Mon, 13 Mar 2000 14:30:49 EST." <200003131930.OAA80430@cs.rpi.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Mon, 13 Mar 2000 12:18:14 -0800 From: Mike Smith Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > I have had these problems ever since upgrading to -current about a > month ago. The kernel very regularly spews out messages like: > > Mar 13 14:23:39 gemini /kernel: calcru: negative time of -2663631 usec for pid 568 (sshd2) > > or a message that "microuptime() went backwards'. I have noticed that > these messages usually coincide with moderate to heavy disk IO. > I do not have the dmesg or kernel config here with me right now, but I > believe I can provide most of the usefull information. The system is an > ASUS P2B-DS running ROM revision 1009. It has 2 Pentium II - 400Mhz CPUs, > and is running with 'device apm flags 0x20' to get the stat-clock (this was > needed in FreeBSD-3.x, I have not yet tried without it. I am also > running vinum across 3 disks, one Ultra-2-wide SCSI, and 2 IDE (each on > their own bus). Furthermore I am running xntpd to keep my clock in sync. > > Any suggestions? Remove the flags on the apm device and update to at least the 1011 BIOS. -- \\ Give a man a fish, and you feed him for a day. \\ Mike Smith \\ Tell him he should learn how to fish himself, \\ msmith@freebsd.org \\ and he'll hate you for a lifetime. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message