Arch Linux

theironknuckle

Member

Registered: 2011-06-26

Posts: 15

GRUB issues - Changing Boot partition

Hey,

After running through the install process I get to the "Hold breath and reboot stage" and then my system fails to boot.

I just get a prompt which accepts no input:

GRUB _

I've installed Grub using the following commands:

# pacman -S grub-bios
# grub-install --recheck /dev/sda
# cp /usr/share/locale/en\@quot/LC_MESSAGES/grub.mo /boot/grub/locale/en.mo
# parted -s /dev/sda set 1 bios_grub on
# grub-mkconfig -o /boot/grub/grub.cfg

What config files should I be looking into to check that everything is alright? Will be happy to post relevant extracts

edit:

haha I just it worked out. But I still need help! Don't close the page!

Turns out that when I set up the partitions my var partition was marked as the "BIOS boot partition". Is there a way to change this so that the root partition is marked as the boot one? I'm using GPT.

Last edited by theironknuckle (2013-06-24 06:34:05)

WonderWoofy

Member

From: Los Gatos, CA

Registered: 2012-05-19

Posts: 8,414

Re: GRUB issues - Changing Boot partition

A bios boot partition is the special partition that is used by grub to put all the extra crap that won't fit into the MBR's boot area.  It is type EF02.  You need this for grub to install correctly (or at least a 1MB partition marked as such).  But to change partition type codes, just use gdisk.

Edit: Not sure if this might be relevent to you, but apparently grub kinda f*cks up when built with the newest of toolchains.  Soo heftig's comment (and link) here. https://bbs.archlinux.org/viewtopic.php?id=164101

Last edited by WonderWoofy (2013-06-24 06:38:30)