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    SubjectRe: Linux 2.2.14pre13
    Date
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    Andre Hedrick wrote:
    > All modern drives are designed with DMA transfers.
    > Should DMA fault out for any reason......We revert to PIOing.

    Hi,

    Datapoint, don't have enough time to investigate further.

    - My Maxtor 27G drive ends up in PIO mode (non-SMP system, but likely
    an SMP-compiled kernel).

    Last time I reported this, I had a WDC31600, as hda, and the maxtor as
    hdb. Everyone was convinced that the WD was crap and causing the
    interrupt timeouts and the switchback to PIO.

    I removed the WD, and forgot to change the jumper on the maxtor. So
    the maxtor is now alone as drive hdb. It is still geting timeouts and
    then the switchback to PIO.

    I have an PIIX IDE controller. The system runs Kernel 2.2.14pre2.

    Roger.

    --
    ** R.E.Wolff@BitWizard.nl ** http://www.BitWizard.nl/ ** +31-15-2137555 **
    *-- BitWizard writes Linux device drivers for any device you may have! --*
    "I didn't say it was your fault. I said I was going to blame it on you."

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