>
>
> On Mon, 19 Mar 2001 Andries.Brouwer@cwi.nl wrote:
> >
> > Agreed. That would be a trivially easy bug in the firmware, limiting to
> > 255 sectors seems safer.
> >
> > Linus
> >
> > Yes, possibly.
> > I checked old standards, and see that "0 means 256 as a sector count"
> > is already in ATA-1.
>
> Yes. But we could have some silly bug in the Linux drivers too, if some
> part of the driver reads back the sector count and doesn't do the 0==256
> conversion. So let's not blame the disk quite yet. Although it would be
> interesting to hear if the problem only happens for a specific disk or
> manufacturer...
LT,
This is why I want to standardize the data-phase rules, but we have agreed
to postpone for 2.5. Since the glue for the main loops is spread like hot
butter, it covers up a lot of issues and threads get messy. I had all but
given up on chasing them down and then resolved to start from scratch.
Andre Hedrick
Linux ATA Development
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