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GRUB2+UEFI; grub2 drops me to shell on boot
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fdelente
n00b
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Joined: 04 Oct 2012
Posts: 38

PostPosted: Wed Sep 11, 2013 11:58 am    Post subject: GRUB2+UEFI; grub2 drops me to shell on boot Reply with quote

Hello.

This is with grub 2.00_p5107-r1.

Until today, I had no trouble booting new kernels with grub2.

After doing the same method as ever today for kernel-3.11.0, I found that on booting my machine, the grub menu flashes very quickly and the I am in the grub shell. I can then boot my system with 'linux (hd0,3)/kernel-3.11.0-gentoo root=/dev/sda5' and 'boot'; this is the exact line that I have in the grub.cfg file that grub2-mkconfig creates.

I have looked at the boot order with efibootmgr, but my entry (gentoo) is listed, and the only one available.

What must I change to have grub2 boot automatically?
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Logicien
l33t
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Joined: 16 Sep 2005
Posts: 741
Location: Montréal

PostPosted: Wed Sep 11, 2013 12:47 pm    Post subject: Reply with quote

This can come from the /boot/grub2/grub.cfg file that have something that Grub2 cannot use like an unavailable splash image. Check the /etc/default/grub file and the permissions of the scripts files in the /etc/grub.d directory and make all of them executables if they are not. Than recreate the /boot/grub2/grub.cfg file with grub-mkconfig.
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