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[Solved] Another n00b grub error - plz help
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umarhafeez
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Joined: 24 Aug 2012
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PostPosted: Sat Aug 25, 2012 3:33 am    Post subject: [Solved] Another n00b grub error - plz help Reply with quote

Following error received
Code:
Booting 'Gentoo Linux x86_64 3.3.8'

root (hd0, 4)
 Filesystem type is jfs, partition type 0x83
kernel /boot/kernel-genkernel-x86_64-3.3.8-gentoo real_root=/dev/sda7
 [Linux-bzImage, setup=0x3400, size=0x32fe50]
initrd /boot/initramfs-genkernel-x86-3.3.8-gentoo

Error 15: File not found


Press any key to continue...



fdisk output
Code:

fdisk /dev/sda
p
Device      boot   start      end      Blocks       id   System
/dev/sda1   *   2048      206847      102400      7   HPFS/NTFS/exFAT
/dev/sda2      206848      27885759   136339456   7   HPFS/NTFS/exFAT
/dev/sda3      272885760   625142447   176128344   5   Extended
/dev/sda5   *   272887808   272953343   32768      83   Linux
/dev/sda6      272955392   277149695   2097152      82   Linux swap / Solaris
/dev/sda7      277151744   625142447   173995352   83   Linux


when chrooting into dev/sda7 (gentoo /, dev/sda5= /boot)
and ls into boot
Code:

System.map-genkernel-x86_64-3.3.8-gentoo   grub   kernel-genkernel-x86_64-3.3.8-gentoo   boot
initramfs-genkernel-x86_64-3.3.8-gentoo


grub.conf entry for gentoo
Code:

title Gentoo Linux x86_64 3.3.8
root (hd0,4)
kernel /boot/kernel-genrkernel-86_64-3.3.8-gentoo real_root=/dev/sda7
initrd /boot/initramfs-genkernel-x86_64-3.3.8-gentoo


/etc/fstab listing
Code:

/dev/sda5   /boot      jfs   defaults   1 2
/dev/sda7   /      jfs   noatime      0 1
/dev/sda6   none      swap   sw      0 0
/dev/cdrom   /mnt/cdrom   auto   noauto,user   0 0
/dev/fd0   /mnt/floppy   auto   noauto      0 0


Last edited by umarhafeez on Sun Aug 26, 2012 7:35 am; edited 3 times in total
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ppurka
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PostPosted: Sat Aug 25, 2012 4:31 am    Post subject: Reply with quote

You got a typo. Now find it and fix it :twisted:
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fr3eatlast
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PostPosted: Sat Aug 25, 2012 6:39 am    Post subject: Reply with quote

umarhafeez,

i think that your root(0.4) is where your typo is. I'm pretty tired right now, so I'm not sure I'm remembering right but i think grub starts counting from 0 instead of one. Because there is no /dev/sda4 on your drive according to your fdisk output, you could try changing your root address to root(0.3) and see if that works.
hth
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umarhafeez
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Joined: 24 Aug 2012
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PostPosted: Sat Aug 25, 2012 12:10 pm    Post subject: Reply with quote

I am not sure why i get this but using hd0,3 i get no such partition error

Code:
Booting command-list
root (hd0,3)
Error 22: No such partition
Press any key to continue...


ppruka...pretty please with sugar on top?

wait you weren't point at "generkernel"... i made a mistake typing this post.... the grub.conf entry does say "genkernel"...original post is now edited..... Just for extra info.... i also tried hd0,2 ... partition type 0x5 the error is error 17 cannot mount partition....., i tried hd0,5 ... partition type is 0x82 and error 17 (cannot mount selected partition) and also hd0,6 and again same error as quoted above (error 15 file not found) partition type 0x83

only hd0,3 is error 22...
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pidsley
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PostPosted: Sat Aug 25, 2012 12:18 pm    Post subject: Reply with quote

umarhafeez wrote:
wait you weren't point at "generkernel"... i made a mistake typing this post.... the grub.conf entry does say "genkernel"...original post is now edited...


Did you retype all of the code you posted, or is some of it cut and paste? It looks to me like there are several typos.
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haleh
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PostPosted: Sat Aug 25, 2012 12:24 pm    Post subject: Reply with quote

This is the collection of grub error read it maybe it can help you !!!
http://www.gentoo.org/doc/en/grub-error-guide.xml
Did you use genkernel ???and did you include an initramfs to boot???
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ppurka
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PostPosted: Sat Aug 25, 2012 1:19 pm    Post subject: Reply with quote

Is your /boot/boot a symlink to /boot? Also, try these modified commands:
Code:
kernel (hd0,4)/kernel-genkernel-x86_64-3.3.8-gentoo real_root=/dev/sda7
initrd (hd0,4)/initramfs-genkernel-x86-3.3.8-gentoo

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NeddySeagoon
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PostPosted: Sat Aug 25, 2012 1:40 pm    Post subject: Reply with quote

umarhafeez


Since you are still suffering and spotting your own typos is really hard - you read what you intended to write, not whats there, here is a hint. From your original post
Code:
title Gentoo Linux x86_64 3.3.8
root (hd0,4)
kernel /boot/kernel-genrkernel-86_64-3.3.8-gentoo real_root=/dev/sda7
initrd /boot/initramfs-genkernel-x86_64-3.3.8-gentoo


Its in your kernel line ...
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umarhafeez
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PostPosted: Sun Aug 26, 2012 7:35 am    Post subject: Reply with quote

Yep I made so many hand copy errors . (i am setting up gentoo as my main distro on my laptop so i am not chrooting into it from another GUI based distro) so i was thinking it must have been an error in one of the files but just couldn't spot it for two nights!!!.... (i was concentrating on first line of grub.conf entry (hd0,4) and second (kernel).... but the mistake was in initrd and it was writtent "....genkernel-x86-3.3.8..." instead of "...genkernel-x86_64..."
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ppurka
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PostPosted: Sun Aug 26, 2012 2:55 pm    Post subject: Reply with quote

Try to use the gpm service next time, so that you have a working mouse even if you are in the console. Then you can copy and paste. If you provide us erroneous input, we will be able to provide you only useless advice. It's the simple formula: GIGO and sometimes applies to humans too :P
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