clock running fast

dtalk-ml_at_prairienet.org
Date: 12/30/04

  • Next message: Jean-Sébastien Pédron: "Re: -stable, uhci and the iRiver H320." 
    Date: Wed, 29 Dec 2004 19:13:39 -0800 (PST)
To: freebsd-stable@freebsd.org

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    Salutations --

    I have an old board with an installation of STABLE whose time keeps
    running away. ntpd is not helping. I can manually set the time using
    ntpdate, and my ntpq queries look fine, yet the clock persists in
    running very fast (seems to be about 1.5x speed). The BIOS clock
    remains correct, and the machine therefore has the correct time at each
    reboot, but quickly runs away.

    Data points:

    - - I have set kern.timecounter.hardware=TSC, and this has not helped.
    - - Two other hosts on the same network, using the same ntp server, do not
    have this problem.
    - - This box did not display this behavior under FreeBSD 5.2.
    - - I have replaced the board on the problem box (with the same age
    and type), and the problem persists.
    - - dmesg for this machine, an old Dell Optiplex 590,
    is below.

    What other information might help diagnose the problem?

    Thank you ... -d

    - --
    David Talkington
    dtalk-ml@prairienet.org

    Copyright (c) 1992-2004 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 5.3-STABLE #0: Sat Dec 25 18:55:20 PST 2004
         root@atlantis.flyingjoke.org:/usr/obj/usr/src/sys/CERBERUS
    WARNING: debug.mpsafenet forced to 0 as ipsec requires Giant
    WARNING: MPSAFE network stack disabled, expect reduced performance.
    Timecounter "i8254" frequency 1193182 Hz quality 0
    CPU: Pentium/P54C (85.52-MHz 586-class CPU)
       Origin = "GenuineIntel" Id = 0x525 Stepping = 5
       Features=0x1bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8>
    real memory = 67108864 (64 MB)
    avail memory = 56074240 (53 MB)
    Intel Pentium detected, installing workaround for F00F bug
    npx0: [FAST]
    npx0: <math processor> on motherboard
    npx0: INT 16 interface
    pcib0: <Host to PCI bridge> pcibus 0 on motherboard
    pci0: <PCI bus> on pcib0
    isab0: <PCI-ISA bridge> at device 2.0 on pci0
    isa0: <ISA bus> on isab0
    pci0: <old, VGA-compatible display device> at device 11.0 (no driver attached)
    atapci0: <GENERIC ATA controller> irq 14 at device 12.0 on pci0
    ata2: channel #0 on atapci0
    device_attach: ata2 attach returned 6
    cpu0 on motherboard
    orm0: <ISA Option ROM> at iomem 0xc0000-0xc7fff on isa0
    pmtimer0 on isa0
    ep0: <3Com 3C509-TP EtherLink III> at port 0x220-0x22f irq 11 on isa0
    ep0: Ethernet address: 00:20:af:06:9e:35
    ep0: [GIANT-LOCKED]
    ep1: <3Com 3C509-TP EtherLink III> at port 0x300-0x30f irq 10 on isa0
    ep1: Ethernet address: 00:20:af:08:7a:c2
    ep1: [GIANT-LOCKED]
    ep2: <3Com 3C509-TP EtherLink III> at port 0x210-0x21f irq 5 on isa0
    ep2: Ethernet address: 00:20:af:ec:c4:c6
    ep2: [GIANT-LOCKED]
    ata0 at port 0x3f6,0x1f0-0x1f7 irq 14 on isa0
    ata1 at port 0x376,0x170-0x177 irq 15 on isa0
    atkbdc0: <Keyboard controller (i8042)> at port 0x64,0x60 on isa0
    atkbd0: <AT Keyboard> irq 1 on atkbdc0
    kbd0 at atkbd0
    atkbd0: [GIANT-LOCKED]
    fdc0: <Enhanced floppy controller> at port 0x3f0-0x3f5 irq 6 drq 2 on isa0
    fdc0: [FAST]
    fd0: <1440-KB 3.5" drive> on fdc0 drive 0
    ppc0: parallel port not found.
    sc0: <System console> at flags 0x100 on isa0
    sc0: VGA (mono) <16 virtual consoles, flags=0x300>
    sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
    sio0: type 16550A
    sio1: configured irq 3 not in bitmap of probed irqs 0
    sio1: port may not be enabled
    vga0: <Generic ISA VGA> at port 0x3b0-0x3cf iomem 0xa0000-0xbffff on isa0
    unknown: <PNP0303> can't assign resources (port)
    unknown: <PNP0501> can't assign resources (port)
    ppc1: parallel port not found.
    unknown: <PNP0700> can't assign resources (port)
    Timecounter "TSC" frequency 85517886 Hz quality 800
    Timecounters tick every 10.000 msec
    IPsec: Initialized Security Association Processing.
    IP Filter: v3.4.35 initialized. Default = pass all, Logging = disabled
    ipfw2 initialized, divert enabled, rule-based forwarding disabled, default to deny, logging unlimited
    ad0: 515MB <WDC AC2540F/27.25C38> [1048/16/63] at ata0-master PIO3
    Mounting root from ufs:/dev/ad0s1a
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