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[SOLVED] GRUB2 install reports no errors, boots into shell
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slackline
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PostPosted: Mon Sep 23, 2013 2:46 pm    Post subject: [SOLVED] GRUB2 install reports no errors, boots into shell Reply with quote

Hi,

I've recently encountered some problems with GRUB2, not too sure when they arose, but the installs/updates for GRUB itself are shown below along with the date I installed more recent kernels...

Code:

# genlop -s grub
 * matches found:

     Wed Nov 14 09:27:21 2012 >>> sys-boot/grub-2.00-r1
     Wed Nov 14 16:48:08 2012 >>> sys-boot/grub-2.00-r1
     Wed Feb  6 08:41:55 2013 >>> sys-boot/grub-2.00-r2
     Sun Apr 28 07:33:47 2013 >>> sys-boot/grub-2.00-r3
     Mon Jul 22 09:42:10 2013 >>> sys-boot/grub-2.00-r4
     Tue Aug 13 18:20:06 2013 >>> sys-boot/grub-2.00_p5086
     Sat Aug 17 10:45:44 2013 >>> sys-boot/grub-2.00_p5107
     Wed Sep 11 10:56:03 2013 >>> sys-boot/grub-2.00_p5107-r1
 # ls -l /boot/
total 12604
drwxr-xr-x 6 root root    4096 Sep 16 10:57 grub
drwxr-xr-x 6 root root    4096 Sep 23 15:34 grub2
-rw-r--r-- 1 root root 1294688 Sep 23 14:01 initramfs-genkernel-3.11.1
-rw-r--r-- 1 root root 5799088 Sep  4 14:17 vmlinuz-3.11.0
-rw-r--r-- 1 root root 5799136 Sep 16 10:15 vmlinuz-3.11.1


My /etc/grub.d/40_custom looks like this and it appears to install fine, with no errors reported....

Code:

# cat /etc/grub.d/40_custom
#!/bin/sh
exec tail -n +3 $0
# This file provides an easy way to add custom menu entries.  Simply type the
# menu entries you want to add after this comment.  Be careful not to change
# the 'exec tail' line above.
timeout=5
set root=(hd0,1)
menuentry "Gentoo 3.11.0" {
    insmod ext2
    search --no-floppy
    linux /boot/vmlinuz-3.11.0 root=/dev/sda1 rootfstype=ext4 libahci.ignore_sss=1 i915.i915_enable_rc6=1 resume=swap:/dev/sda3
}
menuentry "Gentoo 3.11.1" {
    insmod ext2
    search --no-floppy
    linux /boot/vmlinuz-3.10.10 root=/dev/sda1 rootfstype=ext4 libahci.ignore_sss=1 i915.i915_enable_rc6=1 resume=swap:/dev/sda3
}
# grub2-mkconfig -o /boot/grub2/grub.cfg && grub2-install --boot-directory=/boot /dev/sda
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-3.11.1
Found initrd image: /boot/initramfs-genkernel-3.11.1
Found linux image: /boot/vmlinuz-3.11.0
done
Installation finished. No error reported.


Upon rebooting though I get dropped into a GRUB shell and have followed the following steps (from here).....

Code:

grub> set root=(hd0,1)
grub> linux (hd0,1)/boot/vmlinuz-3.11.1 root=/dev/sda1 rhgb quiet selinux=0
grub> initrd (hd0,1)/boot/initramfs-genkernel-3.11.1
grub> boot


Obviously after booting back into my system I've repeated trying to install grub and it still doesn't report any problems/errors, yet when I reboot I'm thrown back into the GRUB shell and have to manually boot rather than being presented with a menu from which to choose.

Any pointers as to what I might be doing wrong would be very much appreciated as I'm stumped, I seem to be doing all steps as per instructions and they've worked fine for the last year or so.

Thanks in advance,

slack
_________________
"Science is what we understand well enough to explain to a computer.  Art is everything else we do." - Donald Knuth


Last edited by slackline on Mon Sep 23, 2013 3:17 pm; edited 1 time in total
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sebB
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PostPosted: Mon Sep 23, 2013 3:01 pm    Post subject: Reply with quote

Hello
Quote:
WARN: postinst
│The grub directory has changed from /boot/grub2 to /boot/grub.
│Please run grub2-install and grub2-mkconfig -o /boot/grub/grub.cfg.
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slackline
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PostPosted: Mon Sep 23, 2013 3:06 pm    Post subject: Reply with quote

sebB wrote:
Hello
Quote:
WARN: postinst
│The grub directory has changed from /boot/grub2 to /boot/grub.
│Please run grub2-install and grub2-mkconfig -o /boot/grub/grub.cfg.


Hi sedB,

EDIT : That was almost what I had done, multiple times, from the above post...

slackline wrote:


....it appears to install fine, with no errors reported....

Code:

# grub2-mkconfig -o /boot/grub2/grub.cfg && grub2-install --boot-directory=/boot /dev/sda
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-3.11.1
Found initrd image: /boot/initramfs-genkernel-3.11.1
Found linux image: /boot/vmlinuz-3.11.0
done
Installation finished. No error reported.



I needed to not put the output file in /boot/grub2/grub2.conf but instead put it into /boot/grub/grub/conf Thanks for highlighting my error. Have to read post install messages more carefully in the future.

Cheers,

slack
_________________
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