On  2 May, Rod Taylor wrote:
= As  a side  note to  this long  conversation, I'll  mention that  I've
= downgraded that box back to 3.4 and it now works properly again.

>From my experience, you could've just  used the old wd driver instead of
the new ata stuff and ignore the config's warnings.

I  just upgraded  a  machine with  two  IDE disks  (one  master on  each
channel, with CMD640 stuff). One of the drives is at least 7 years old.

        wdc1: unit 0 (wd2): <WDC AC2420H>
        wd2: 405MB (830760 sectors), 989 cyls, 15 heads, 56 S/T, 512 B/S

With ata  driver, an attempt to  mount the partition on  the drive would
result in a hang (not even console-switching would work) right after the
partition parameters were  printed by the kernel (booted  with -v). Both
of the  drives were being accessed  in pio mode automaticly,  judging by
the hw.ata... (pio,---,pio,---,). The first  disk, which is newer worked
fine.

With  wd  driver  the  second   drive  "just  works"...  This  was  with
4.0-RELEASE. I have  since upgraded to the 3 days  old -stable, but have
not tried ata again.

        -mi




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