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    SubjectRe: Fw: Performance drop 2.6.0-test7 -> 2.6.1-rc2
    Christoph Hellwig wrote:
    : On Thu, Jan 08, 2004 at 10:54:27AM +0100, Jan Kasprzak wrote:
    : > I have done further testing:
    : >
    : > - this is reliable: repeated boot back to 2.6.1-rc2 makes the problem
    : > appear again (high load, system slow has hell), booting back
    : > to -test7 makes it disappear.
    :
    : Can you put fs/xfs from -test7 into the 2.6.1-rc tree and test with that?

    I did that. Under 2.6.1-rc2 wit 2.6.0-test7 fs/xfs subtree the load
    went up to >40 two minutes after boot. So it is not XFS related.

    I have also ran hdparm -t (under a load, though) on all of my
    physical disks, and the numbers on 2.6.1-rc2 seems to be more-or-less
    the same as under 2.6.0-test7.

    Now I will try to boot 2.6.0-test9 and we will see if it is
    similar to -rc2 or not.

    -Y.

    --
    | Jan "Yenya" Kasprzak <kas at {fi.muni.cz - work | yenya.net - private}> |
    | GPG: ID 1024/D3498839 Fingerprint 0D99A7FB206605D7 8B35FCDE05B18A5E |
    | http://www.fi.muni.cz/~kas/ Czech Linux Homepage: http://www.linux.cz/ |
    | I actually have a lot of admiration and respect for the PATA knowledge |
    | embedded in drivers/ide. But I would never call it pretty:) -Jeff Garzik |
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