Re: CVS commit: src/sys/dev/ata

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Tue, Jul 05, 2005 at 07:51:34AM +1200, Dave Sainty wrote:
> If they don't have a crash-on-0xfffffff drive, but it is over 128GB in
> size and the controller can't do LBA48 then I guess they would only be
> able to access 2^32-1 sectors instead of 2^32.  Is that really a
> problem though?

It is if there is valuable data in the last sector.

> 
> If we can detect the controllers that can't do LBA48 we can allow them
> to try a LBA32 access to 0xfffffff instead.  Though we also know that
> some drives/systems would hang at that point.

I don't know how to detect non-LBA48 controllers, exept by trying and see
if it fails or not.

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--