Fix for grub 2.00/bzr kfreebsd to boot 9.1 kernels

[Juergen Lock]

On Sat, Jul 21, 2012 at 06:44:06PM -0700, Doug Barton wrote:
> On 07/21/2012 17:21, Juergen Lock wrote:
> > On Sat, Jul 21, 2012 at 02:21:49PM -0700, Doug Barton wrote:
> >> [ Removed -current, not relevant to 9.x ]
> >>
> >> On 07/21/2012 11:58, Juergen Lock wrote:
> >>> Hi!
> >>>
> >>>  I'm in the process of testing 9.1 on the laptop where I use grub2
> >>> because I had to put bsd in an `extended' slice, and I found out
> >>> grub2 won't boot the 9.1 kernel. 
> >>
> >> Nothing will boot FreeBSD on an extended slice, I'm surprised it even
> >> installed.
> > 
> > I don't remember how I installed 9.0 back then, maybe it was manually,
> > but yes grub boots it just fine, and with the fix also after updating
> > to RELENG_9.
> > 
> > zsh enceladus% uname -a
> > FreeBSD enceladus.kn-bremen.de 9.1-PRERELEASE FreeBSD 9.1-PRERELEASE #0: Fri Jul 20 21:28:23 CEST 2012     nox at enceladus.kn-bremen.de:/usr/obj/d3t/d3t/home/nox/src91/src/sys/ENCELADUS  amd64
> > zsh enceladus% df -k
> > Filesystem   1024-blocks     Used     Avail Capacity  Mounted on
> > /dev/ada0s7a     8245660  6150304   1435704    81%    /
> > [...]
> 
> Well I'm happy to be proven wrong. Do you have one big partition, or
> were you able to partition it? And do you have more than one FreeBSD
> installed?

I have /usr too as well as /altroot and /altroot/usr where I tested
head (and data partitions on a 3 TB esata disk that I have to
remember to power down before booting Windows 7 or it messes up the
gpt header on that disk...)

 Cheers,
	Juergen