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  • Time on amd64

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    I have a machine with a sempron64 and it seems that time is a tad bit too
    fast. Every minute it skips ahead about 15-20 seconds. After about 10
    minutes it's several minutes ahead of the real time. For now I've set a
    cron job to rdate time.nist.gov every 5 minutes. This is on BSD 3.8
    with the generic kernel and no other special modifications. Is there
    anything I can possibly do to fix this little glitch (perhaps something
    via sysctl?) or is it a problem in the code somewhere? Any help would be
    greatly appreciated, thanks.
    - Cyrus
  • No.1 | | 766 bytes | |

    are you running ntpd? are you running ntpd with the kernel adjtime
    patch i posted to tech a few days ago?

    1/1/06, Cyrus Lopez <cyrus (AT) cyruslabs (DOT) comwrote:
    I have a machine with a sempron64 and it seems that time is a tad bit too
    fast. Every minute it skips ahead about 15-20 seconds. After about 10
    minutes it's several minutes ahead of the real time. For now I've set a
    cron job to rdate time.nist.gov every 5 minutes. This is on BSD 3.8
    with the generic kernel and no other special modifications. Is there
    anything I can possibly do to fix this little glitch (perhaps something
    via sysctl?) or is it a problem in the code somewhere? Any help would be
    greatly appreciated, thanks.
    --
    - Cyrus
  • No.2 | | 1359 bytes | |

    Tuesday 03 January 2006 15:16, Ted Unangst wrote:
    are you running ntpd? are you running ntpd with the kernel adjtime
    patch i posted to tech a few days ago?

    1/1/06, Cyrus Lopez <cyrus (AT) cyruslabs (DOT) comwrote:
    I have a machine with a sempron64 and it seems that time is a tad bit too
    fast. Every minute it skips ahead about 15-20 seconds. After about 10
    minutes it's several minutes ahead of the real time. For now I've set a
    cron job to rdate time.nist.gov every 5 minutes. This is on BSD 3.8
    with the generic kernel and no other special modifications. Is there
    anything I can possibly do to fix this little glitch (perhaps something
    via sysctl?) or is it a problem in the code somewhere? Any help would be
    greatly appreciated, thanks.
    --
    - Cyrus

    I missed your original post. What is the make/model of the computer. There
    is a known issue on some machines with the clock running fast with AMD/ATI on
    Linux. It *might* be the same with BSD.

    Gateway MX7515m

    AMD/ATI bug - clock runs at double speed

    I used - noapictimer at boot on my Linux notebook to fix the issue.

    Not sure that's going to help. But if it is a hardware issue, that may be
    enough of a start for a developer to help.

    Provide your hardware info.

    RegardsMartin
  • No.3 | | 1349 bytes | |

    Tue, 03 Jan 2006 14:16:17 -0600, Ted Unangst <ted.unangst (AT) gmail (DOT) com
    wrote:

    are you running ntpd? are you running ntpd with the kernel adjtime
    patch i posted to tech a few days ago?

    1/1/06, Cyrus Lopez <cyrus (AT) cyruslabs (DOT) comwrote:
    >I have a machine with a sempron64 and it seems that time is a tad bit
    >too
    >fast. Every minute it skips ahead about 15-20 seconds. After about 10
    >minutes it's several minutes ahead of the real time. For now I've set a
    >cron job to rdate time.nist.gov every 5 minutes. This is on BSD 3.8
    >with the generic kernel and no other special modifications. Is there
    >anything I can possibly do to fix this little glitch (perhaps something
    >via sysctl?) or is it a problem in the code somewhere? Any help would be
    >greatly appreciated, thanks.
    >>
    >>

    >- Cyrus
    >>
    >>


    Actually I just started running NTPD and now the time is in sync with the
    real time. Although I do notice that ntpd adjusts the time quite a bit via
    the logs. However, that matters not to me as long as the server has fairly
    accurate time which it does now. Thanks for all the prompt replies.
    - Cyrus

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