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Ultra III prefetch bug and Blade 1000/2000 issues

Discussion in 'Sun Hardware' started by Michael, Jan 3, 2005.

  1. Michael

    Michael Guest

    HI,

    I am posting this question here since I tried at comp.unix.solaris
    without having a full picture of the problem with "early" ULTRA III
    CPUs.

    1. Can anyone explain when/if the "prefetch" bug is fixed, was that on
    the Copper CPU's or fixed earlier.

    2. Also, on a Blade 1000/2000, what versions shall one try to "avoid"
    due to bugs or other issues with montherboard and CPU combinations?

    cheers

    Michael
     
    Michael, Jan 3, 2005
    #1
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  2. The bug exists only on the aluminium CPUs with 750Mhz.
    Recent kernel patches detect this and then turn off some pipeline,
    so the CPU is slower but never faulty.

    --
    Michael Tosch
    IT Specialist
    Managed Services Germany
    Hewlett-Packard GmbH
    Phone: +49 2407 575 313
    Mail: michael.tosch:hp.com
     
    Michael Tosch, Jan 3, 2005
    #2
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