On 29.11.2012 05:50, Carl Johnson wrote:
Ralf Mardorf <ralf.mard...@rocketmail.com> writes:

Installing PC-BSD 8.2 x64 did work without issues. I unchecked the
bootloader install. Linux grub legacy until now is unable to boot BSD,
because of "Error17: Cannot mount selected partition"

spinymouse@q:~$ cat /boot/grub/menu.lst
timeout   8
default   0
color light-blue/black light-cyan/blue

title FreeBSD
root   (hd0,a)
kernel /boot/loader

[snip]

Linux only recognize the slice, but not what's inside it:
spinymouse@q:~$ sudo fdisk -l

You might want to try a chainloader boot from grub.  The following is a
chainloader rule that I have used, as well as a normal loader boot.  I
use the loader boot, but I also tested the chainloader boot.  You will
need a ufs2_stage1_5 file in your grub directory for a loader boot, and
linux grub might not have it available.

title           FreeBSD, sda3 (oak) chainloader
root            (hd1,2)
chainloader     +1
boot

title           FreeBSD, sda3 (oak) /boot/loader
root            (hd1,2,a)
kernel          /boot/loader
boot

In case you have not got it working yet, I can offer a glimmer of hope by telling how I managed to multi boot Linux and FreeBSD on MBR logical partitions.

By using the grub patch at:

<http://www.freebsd.org/cgi/query-pr.cgi?pr=158362>
ports/158362: sysutils/grub [patch] allow GRUB to boot FreeBSD from an extended partition

You must rebuild and reinstall grub (from Linux I guess).

My install is fairly old and from the days when sysutils/grub at least was installable from within FreeBSD i386. The patch itself does not touch FreeBSD sources, only grub. So I expect it will build from any OS/machine that can build grub.

When installed I can boot FreeBSD from an MBR logical partition like so:

title           FreeBSD CURRENT (amd64) (disk1, logical partition s11)
root            (hd0,10,a)
kernel          /boot/loader
boot

Depending upon how recent version of FreeBSD you have installed you may have to config the FreeBSD loader to find its root file system. 10-CURRENT should be okay.

Best regards,
Gyrd ^_^
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