Re: boot selector and extended partitions

[David Laight <david%l8s.co.uk@localhost>]

On Thu, Feb 02, 2012 at 11:25:46PM +1300, Mark Davies wrote:
> On Wednesday 01 February 2012 22:27:31 Alan Barrett wrote:
> > I think that mbr_bootsel does not allow booting from extended
> > partisions, but mbr_ext does.  (See mbr(8).)  In order to make
> > space for the extra code needed for scanning extended partitions,
> > mbr_ext sacrifices the ability to use CHS disk addressing (as
> > opposed to LBA disk addressing).
> 
> So the issue then was the combination of using an extended partition and 
> it being more than 8 Gig in.

No - you just needed to use fdisk to copy in the mbr code that supports
reading the extended partition list.

The LBA read support probably isn't needed on anything newer than a PII.

        David

-- 
David Laight: david%l8s.co.uk@localhost