> wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 5 (Ultra/100)
> wd0(aceride0:0:0): using PIO mode 4, Ultra-DMA mode 2 (Ultra/33) (using DMA data transfers)

> I'm seeing some errors when the kernel starts reading and writing
> from the drive.  Once the kernel switches to using PIO mode 4 to talk
> to the drive, the errors stop, and as far as i can tell, it's
> functioning OK.

> Anyone have any observations or ideas?

Well, I've seen similar things on 1.4T i386; they don't appear to
indicate any trouble as far as I can see.

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