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On 15 May 2012 19:37, Paul Hartman <paul.hartman+gentoo@×××××.com> wrote: |
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> Hi, |
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> |
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> I'm trying out grub2 for the first time on my old laptop. I'm |
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> following the guide at: https://wiki.gentoo.org/wiki/GRUB2_Quick_Start |
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> which seems easy enough. Basically just emerge it, install and go. |
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> |
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> However... two different questions: |
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> |
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> When I did this from a chroot, I just got the GRUB> prompt upon |
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> rebooting... no menu or anything. I can manually type "linux |
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> /boot/vmlinuz root=/dev/sda3" and then boot into my system. When I run |
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> grub2-mkconfig from within the chroot, I don't get any "Found linux |
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> image" lines. It does not create /boot/grub2/grub.cfg but rather |
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> grub.cfg.new. So I don't know if it's confused about where /boot is or |
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> what. Is there a trick to installing/updating grub2 config from within |
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> a chroot? |
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|
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I don't really understand where the chroot comes into this but ... did |
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you add the "-o /boot/grub2/grub.cfg" part? I forgot that bit a few |
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times and then couldn't figure out why my changes weren't taking |
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effect. :-) |
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|
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> Second, when running grub2-mkconfig from within my working gentoo |
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> system, it fails with "error: failed to get canonical path of |
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> /dev/root." which is apparently because I don't use an initramfs. I |
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> must manually run "ln -s /dev/sda3 /dev/boot" before it will work. Is |
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> there any trick to avoid having to do that every time? For now I have |
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> simply added that to my after-kernel-update script but I'm curious to |
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> know if grub2 knows how to handle this on its own somehow. |
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> |
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> Thanks, |
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> Paul |
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> |
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