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    SubjectIDE-DMA strangeness (another one)
    Hi,

    I've just moved my IDE disks around, taking out an old
    disk and moving my new 6.4GB disk from hdd to hda.

    With this move I saw in improvement (hdparm -t) from 3
    to 8.4 (!) MB/second... Now I wonder what kind of bug
    in the Linux I/O subsystem could hold performance back
    _that_ badly.
    Of course both benchmarks were done on a completely
    unloaded IDE chip/PCI bus...

    cheers,

    Rik -- now completely used to dvorak kbd layout...
    +-------------------------------------------------------------------+
    | Linux memory management tour guide. H.H.vanRiel@phys.uu.nl |
    | Scouting Vries cubscout leader. http://www.phys.uu.nl/~riel/ |
    +-------------------------------------------------------------------+


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