Re: spurious 8259A interrupt?

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Tue Oct 10 2000 - 18:45:16 EDT

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    > > Initializing CPU#0
    >
    > You are using a SMP kernel on a `386 UP machine. That tends to make
    > these burps show up. It is harmless, though.

    It says this either way

    > > Console: colour VGA+ 80x25
    > > Calibrating delay loop... 3.10 BogoMIPS
    >
    > This shows something I don't understand. Either the counter wrapped,
    > a timer is mis-programmed, or the CPU clock speed is about 1.5 MHz.

    3 bogomips is right for a 386SX

    > You should look into this. Older kernels generally show the BogoMIPS
    > as being about equal to the CPU clock speed +/- 20%. Newer kernels
    > generally show it being about 2 times the clock speed +/- 20%.

    Only if they have a TSC

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