From owner-freebsd-questions Sat Aug 18 16:32:24 2001 Delivered-To: freebsd-questions@freebsd.org Received: from eros.endersgame.net (66-61-55-186.wo.cox.rr.com [66.61.55.186]) by hub.freebsd.org (Postfix) with SMTP id 77A0B37B401 for ; Sat, 18 Aug 2001 16:32:19 -0700 (PDT) (envelope-from dive@eros.endersgame.net) Received: (qmail 11012 invoked by uid 1000); 13 Aug 2001 07:25:37 -0000 Date: Mon, 13 Aug 2001 03:25:37 -0400 From: Sean Davis To: freebsd-questions@freebsd.org Subject: microuptime() oddness Message-ID: <20010813032537.A10782@endersgame.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Hello, I have a machine (AMD Athlon 1.2ghz, 256MB ram) running FreeBSD-stable, and have been noticing a lot of weird kernel debug messages like: microuptime() went backwards (7467.677311 -> 7467.-694689197) microuptime() went backwards (7718.041075 -> 7718.-695325418) calcru: negative time of -1984434482 usec for pid 365 (setiathome) calcru: negative time of -1984434287 usec for pid 365 (setiathome) calcru: negative time of -1984434107 usec for pid 365 (setiathome) calcru: negative time of -1984433927 usec for pid 365 (setiathome) Does anyone have any idea whats causing this? The microuptime() thing has been happening ever since the box was first installed, at which time it was running 4.3-RELEASE. The calcru stuff has been happening since I started running seti@home on it. I think the two are related. The box's dmesg follows: Copyright (c) 1992-2001 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD 4.4-PRERELEASE #4: Sun Aug 5 21:21:51 MDT 2001 cheyan@straylight.endersgame.net:/usr/src/sys/compile/ANNE Timecounter "i8254" frequency 1193182 Hz CPU: AMD Athlon(tm) Processor (1200.05-MHz 686-class CPU) Origin = "AuthenticAMD" Id = 0x642 Stepping = 2 Features=0x183f9ff AMD Features=0xc0440000<,AMIE,DSP,3DNow!> real memory = 268369920 (262080K bytes) avail memory = 258437120 (252380K bytes) Preloaded elf kernel "kernel" at 0xc02dd000. Preloaded userconfig_script "/boot/kernel.conf" at 0xc02dd09c. Pentium Pro MTRR support enabled npx0: on motherboard npx0: INT 16 interface pcib0: on motherboard pci0: on pcib0 pcib1: at device 1.0 on pci0 pci1: on pcib1 pci1: at 0.0 irq 10 atapci0: port 0xe000-0xe00f at device 4.0 on pci0 ata0: at 0x1f0 irq 14 on atapci0 ata1: at 0x170 irq 15 on atapci0 isab0: at device 7.0 on pci0 isa0: on isab0 rl0: port 0xe400-0xe4ff mem 0xde001000-0xde0010ff irq 10 at device 12.0 on pci0 rl0: Ethernet address: 00:c0:f0:8b:08:9d miibus0: on rl0 rlphy0: on miibus0 rlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto pcm0: port 0xe800-0xe8ff irq 11 at device 15.0 on pci0 chip1: at device 17.0 on pci0 orm0: