Subject: Re: problems assessing disk size with ahcisata
To: Jared D. McNeill <>
From: Steven M. Bellovin <>
List: current-users
Date: 11/05/2007 12:31:33
On Mon, 5 Nov 2007 06:45:18 -0500
"Jared D. McNeill" <> wrote:

> On 5-Nov-07, at 12:56 AM, Steven M. Bellovin wrote:
> > I just ran into a serious problem with a new Thinkpad T61: anything
> > looking at the MBR on the 160G disk running with ahcisata got very
> > confused.  I'll skip all the gory details (and the state it left my
> > disk in); the net, though, is the fdisk and sysinst think the drive
> > > has only 67MB.  When I changed it in the BIOS to compatibility
> > > mode, it
> > picked up the size correctly.
> One workaround is to disable AHCI SATA in the BIOS.
Yes, per the above, that's exactly what I did -- rather too late to
save me from a fair amount of trouble...

		--Steve Bellovin,