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I have XP and Ubuntu installed fine and I use Grub. I installed Free BSD on its own 150gig partition, install went fine but when I rebooted my comp it booted straight to FreeBSD skipped Grub and all... ideas?
You need to rerun grub to get the menu back as the FreeBSD installer installed it's own boot information in the MBR overwriting grub stuff. Boot into a live session with the Ubuntu CD and get to a prompt. Type: sudo fdisk -l to get a list of partitions.
EXAMPLE (assuming you only have one drive):
If the Ubuntu / or /boot partition is /dev/sda2, run these four commands to reinstall grub in the MBR:
Grub counts from 0, the second partition is hd1 in grub dialect.
This is no guarantee that the BSD partition will be in the menu, but this should get your XP and Ubuntu back for now.
Distribution: openSuSE 42.1_64-KDE, Ubuntu 14.04, Mint 17.2
While you are fiddling with the boot loaders...
I use FreBSD 6.0 and its documentation explicitly states that one should use the FreeBSD boot loader and nothing else (because the interface (?) is prone to change or some such). So I installed the FreeBSD boot loader into /boot and chainload it from GRUB. Never had any problems with that. But I don't know about the latest version of FreeBSD...
Alright. I successfully installed freeBSD without messing up my xp/ubuntu grub configuration. My next step which I need help with is editing my grublist file to recognize freebsd. One thing tho, I used freeBSD's file structure.. does that matter?
heres how my partitions are set up
xp: sda1 ntfs
/ sda2 ext3
/home sda5 ext3 logical
freebsd: sda4 "unknown" flag=boot
ok, so during the freebsd install process it asks you if you want to install 1) the freebsd boot manager 2) a standard boot manager or 3) no boot manager (leave the MBR alone). I installed using option #3. I already have XP and Ubuntu on their own partitions and am using grub located on the linux partition. Did I select the correct option (to not alter the MBR)? I have
as my grub entry for fbsd, but I get an error that says it doesnt recognize the device.. is there something else I have to add to this?