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    Subjectide_scsi problems in 2.4.20-pre7-ac3
    I have been having problems with a Plextor CD-R connected to a PDC20268 
    (Promise Ultra-100TX) using the UDMA-2 and the ide_scsi driver since the
    driver first appeared. It's been improving, but as of 2.4.20-pre7-ac3,
    I'm still having problems. The card is in a 33Mhz slot on a Micronics
    W6LI board.

    When I write to the drive (hdg, seen as scsi ID 0) with cdrecord, it will
    write successfully for some time (usually 30 MB or more, sometimes even
    completing a write), whereas in older kernels it would fail between 1-4

    The only log message I get is
    ide_scsi: scatter/gather table too small, padding with zeroes.

    and about 10 seconds later the system hangs.

    Related to this is that after this happens and I restart the machine, the
    PDC20268 drivers will report timeouts resetting the card, and the only way
    to regain control of the CD-R is to power the machine down.
    (I will send this in a seperate message).


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