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c0der935
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Joined: 23 Aug 2013
Posts: 17
Location: Auckland,NewZealand
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 Posted: Mon Aug 26, 2013 8:17 am Post subject: Grub setup error 15: File not found |
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First time attempting to install gentoo.
Here is what happens when I try to install grub to the MBR.
| Code: | grub> root (hd0,1)
Filesystem type is ext2fs, partition type 0x83
grub> setup (hd0)
checking if "/boot/grub/stage1" exists... no
checking if "/grub/stage1" exists... no
Error 15: File not found |
my /boot/grub/grub.conf file
| Code: | default 0
timeout 30
title Gentoo Linux 2.6.24-r5
root (hd0,1)
kernel /boot/kernel-3.10.7-gentoo root=/dev/sda4 |
The partitions are as follows:
/dev/sda2 -> boot
/dev/sda3 -> swap
/dev/sda4 -> root
The kernel name in the grub.conf file and the one in /boot match.
Any ideas on how to fix this error would be greatly appreciated.
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sjorna
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Joined: 29 Nov 2006
Posts: 71
Location: New South Wales, Australia
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| Posted: Mon Aug 26, 2013 9:05 am Post subject: |
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Greetings;
Glad to hear your giving Gentoo a try. I've been using it on and off for years, and what can I say - I keep coming back! 
Make sure your /boot partition is mounted and try running the following command to use the grub-install utility. Replace /dev/sda with your boot device; and post the results back here.
| Code: | | grub-install --no-floppy /dev/sda |
Cheers, and hope you enjoy Gentoo! |
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c0der935
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Joined: 23 Aug 2013
Posts: 17
Location: Auckland,NewZealand
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| Posted: Mon Aug 26, 2013 9:40 am Post subject: |
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The results of grub-install --no-floppy /dev/sda2:
| Code: | grub-install --no-floppy /dev/sda2
Probing devices to guess BIOS drives. This may take a long time.
Installation finished. No error reported.
This is the contents of the device map /boot/grub/device.map
Check if this is correct or not. If any of the lines is incorrect,
fix it and re-run the script `grub-install'.
(hd0) /dev/sda
(hd1) /dev/sdb |
results of mount:
| Code: | mount
proc on /proc type (rw,nosuid,nodev,noexec,relatime)
udev on /dev type devtmpfs (rw,nosuid,relatime,size=10240k,nr_inodes=111391,mode=755)
devpts on /dev/pts type devpts (rw,relatime,gid=5,mode=620)
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
tmpfs on / type tmps (rw,relatime)
/dev/sr0 on /mnt/cdrom type iso9660 (ro,relatime)
/dev/loop0 on /mnt/livecd type squashfs (ro,relatime)
/dev/sr0 on /mnt/cdrom type iso9660 (ro,relatime)
tmpfs on /run type tmpfs (rw,nosuid,nodev,noexec,relatime)
shm on /dev/shm type tmpfs (rw,nosuid,nodev,noexec,relatime)
tmpfs on /mnt/livecd/lib/firmware type tmpfs (rw,relatime)
tmpfs on /mnt/livecd/usr/portage type tmpfs (rw,relatime)
/dev/sda4 on / type ext4 (rw,relatime,data=ordered)
/dev/sda1 on /boot type fuseblk (rw,nosuid,nodev,relatime,user_id=0,groub_id=0,allow_other,blksize=4096)
none on /proc type proc (rw,relatime)
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
udev on /dev type devtmpfs (rw,nosuid,relatime,size=10240k,nr_inodes=111391,mode=755)
devpts on /dev/pts type devpts (rw,relatime,gid=5,mode=620)
shm on /dev/shm type tmpfs (rw,nosuid,nodev,noexec,relatime)
/dev/sda2 on /boot type ext2 (rw) |
(may be some typos in this)
I wasn't sure if it was mounted correctly so I copied out the results of typing mount.
Thanks for the encouragement, I found that I have learnt heaps trying to install gentoo!
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sjorna
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Joined: 29 Nov 2006
Posts: 71
Location: New South Wales, Australia
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| Posted: Mon Aug 26, 2013 9:46 am Post subject: |
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It can feel like you're thrown in the deep-end a little every now and then, but it's usually someone on the Gentoo Forums that pulls me back out when I get that way!
Now, the results of the grub-install appear fine, however grub-install needs to be run against the device itself not a partition:
| Code: | #grub-install --no-floppy /dev/sda #correct
#grub-install --no-floppy /dev/sda1 #incorrect |
Otherwise, it will attempt to install in the first few sectors of the partition instead of the first few sectors of the disk (which are typically reserved for the Master Boot Loader (MBR - which is what grub is).
Because you ran it with /dev/sda2, you may want to unmount and mount your boot partition before continuing to make sure it hasn't corrupted the filesystem. Good thing, though that as it's your boot partition, if it is corrupted you can re-format, copy over your bzImage, and re-emerge grub to fix everything back up.
Just check, first though, then re-run grub-install against /dev/sda not /dev/sda2.
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c0der935
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Joined: 23 Aug 2013
Posts: 17
Location: Auckland,NewZealand
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| Posted: Mon Aug 26, 2013 9:48 am Post subject: |
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Tried setup(hd0) again after following the advice of sjorna.
| Code: | grub> setup (hd0)
Checking if "/boot/grub/stage1" exists... no
Checking if "/grub/stage1" exists... yes
Checking if "/grub/stage2" exists... yes
Checking if "/grub/e2fs_stage1_5 (hd0)" exists... yes
Running "embed /grub/e2fs_stage1_5 (hd0)"... 22 sectors are embedded.
succeeded
Running "install /grub/stage1 (hd0) (hd0)1+22 p (hd0,1)/grub/stage2 /grub/menu.lst"... succeeded
Done. |
Pretty sure this is working now but could you please confirm If this is how it is supposed to look.
Thank-you so much sjorna
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sjorna
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Joined: 29 Nov 2006
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Location: New South Wales, Australia
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| Posted: Mon Aug 26, 2013 9:56 am Post subject: |
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That looks about right!
Like I said though, just make sure you can umount and mount your boot partition before rebooting, because it's a pain having to boot into the LiveCD, mount your partitions, and fix whatever needs to be fixed...
Trust me, I've done it many, many times...
Otherwise, I'm just glad to have helped - the people on this forum made Gentoo usable for me, so I can only hope to do the same for someone else.
Cheers, and I hope you enjoy it! |
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c0der935
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Joined: 23 Aug 2013
Posts: 17
Location: Auckland,NewZealand
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| Posted: Mon Aug 26, 2013 9:59 am Post subject: |
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When I rebooted I just came to the GRUB console. I don't know how to get it to boot to Gentoo.
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sjorna
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Joined: 29 Nov 2006
Posts: 71
Location: New South Wales, Australia
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| Posted: Mon Aug 26, 2013 10:02 am Post subject: |
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Okay, well the first thing to try is to instruct the bootloader manually (which is pretty much the same as your grub.conf):
| Code: | > root (hd0,1)
> kernel /boot/kernel-3.10.7-gentoo root=/dev/sda4 |
If that doesn't work, post the message that it gives you. |
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c0der935
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Joined: 23 Aug 2013
Posts: 17
Location: Auckland,NewZealand
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| Posted: Mon Aug 26, 2013 10:10 am Post subject: |
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Here is what it says:
| Code: | grub> root (hd0,1)
Filesystem type is ext2fs, partition type 0x83
grub> kernel /boot/kernel-3.10.7-gentoo root=/dev/sda4
Error 15: File not found |
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sjorna
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Joined: 29 Nov 2006
Posts: 71
Location: New South Wales, Australia
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| Posted: Mon Aug 26, 2013 10:20 am Post subject: |
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Okay, you have two options here:
You can either keep trying to debug why grub can't find your kernel. For that, try typing in just `kernel /` then press <tab> to list possible files. It could be that you don't have the '/boot' symlink on your boot partition (which would make '/boot/kernel-1.2.3' and '/kernel-1.2.3' the same thing).
| Code: | grub> root (hd0,0)
Filesystem type is ext2fs, partition type 0x83
grub> kernel /<tab>
Possible files are: lost+found .keep kernel-3.8.13-gentoo.img boot grub kernel-3.10.7-gentoo.img initramfs-splash |
The other option is to boot back into your LiveCD and try and mount your boot partition. If that works, you can try re-installing the bootloader. If it fails, you can reformat your boot partition, then copy over your kernel and re-emerge grub, and then re-install the bootloader. |
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Installing Gentoo
