From owner-freebsd-questions@FreeBSD.ORG Wed Jan 14 15:30:30 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 847D31065712 for ; Wed, 14 Jan 2009 15:30:30 +0000 (UTC) (envelope-from mikel.king@olivent.com) Received: from mail.olivent.com (mail.olivent.com [69.31.85.206]) by mx1.freebsd.org (Postfix) with ESMTP id 1E55C8FC1C for ; Wed, 14 Jan 2009 15:30:29 +0000 (UTC) (envelope-from mikel.king@olivent.com) Received: from thoth.techally.com ([204.107.76.235]) (authenticated user mikel@olivent.com) by mail.olivent.com (Kerio MailServer 6.6.2) (using TLSv1/SSLv3 with cipher AES128-SHA (128 bits)); Wed, 14 Jan 2009 10:30:09 -0500 References: Message-Id: <6334D90C-2288-41CF-8384-3E513B739BE6@olivent.com> From: Mikel King To: scuba@centroin.com.br In-Reply-To: Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Apple Message framework v930.3) Date: Wed, 14 Jan 2009 10:28:55 -0500 X-Mailer: Apple Mail (2.930.3) Cc: freebsd-questions@freebsd.org Subject: Re: Time skew X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Jan 2009 15:30:32 -0000 Marcelo, Try adding either, hint.apic.0.disabled=1 or kern.hz="100" to /boot/loader.conf Reboot the machine and check your time. The first line is the patch originally noted in the VMWare KB the latter is from the FreeBSD handbook on the subject. Regards, Mikel On Jan 14, 2009, at 9:09 AM, scuba@centroin.com.br wrote: > Hi All, > > I'm facing some strange behavior with an skew in the system clock. > The hardware is a Dell PowerEdge 2950III, running two instances of > FreeBSD 7.0-RELEASE-p5 - amd64 over an ESXi hipervisor. > To both were allocated 4 processors and 4 GB of RAM, and dmesg for > both are identical. > I'm using clockspeed to synchronize the clock, but just one of them > is delaying the clock a lot. > The hardware clock is ok as far as the other virtual machine. > Where should I start to investigate? > > - Marcelo > > Dmesg is following: > > Copyright (c) 1992-2008 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 is a registered trademark of The FreeBSD Foundation. > FreeBSD 7.0-RELEASE-p5 #0: Mon Nov 3 13:19:30 BRST 2008 > root@tst.ciplan:/usr/obj/usr/src/sys/TREX-64 > Timecounter "i8254" frequency 1193182 Hz quality 0 > CPU: Intel(R) Xeon(R) CPU E5410 @ 2.33GHz (2357.36-MHz K8- > class CPU) > Origin = "GenuineIntel" Id = 0x10678 Stepping = 8 > > Features > =0xfebfbff OV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS> > Features2=0x82201> > AMD Features=0x20100800 > AMD Features2=0x1 > usable memory = 4013707264 (3827 MB) > avail memory = 3883839488 (3703 MB) > ACPI APIC Table: > FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs > cpu0 (BSP): APIC ID: 0 > cpu1 (AP): APIC ID: 1 > cpu2 (AP): APIC ID: 2 > cpu3 (AP): APIC ID: 3 > MADT: Forcing active-low polarity and level trigger for SCI > ioapic0 irqs 0-23 on motherboard > kbd1 at kbdmux0 > ath_hal: 0.9.20.3 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413, > RF5413) > hptrr: HPT RocketRAID controller driver v1.1 (Nov 3 2008 13:19:19) > acpi0: on motherboard > acpi0: [ITHREAD] > acpi0: Power Button (fixed) > Timecounter "ACPI-safe" frequency 3579545 Hz quality 850 > acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1008-0x100b on acpi0 > cpu0: on acpi0 > acpi_throttle0: on cpu0 > cpu1: on acpi0 > acpi_throttle1: on cpu1 > acpi_throttle1: failed to attach P_CNT > device_attach: acpi_throttle1 attach returned 6 > cpu2: on acpi0 > acpi_throttle2: on cpu2 > acpi_throttle2: failed to attach P_CNT > device_attach: acpi_throttle2 attach returned 6 > cpu3: on acpi0 > acpi_throttle3: on cpu3 > acpi_throttle3: failed to attach P_CNT > device_attach: acpi_throttle3 attach returned 6 > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org > "