Re: No way to boot on

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On Jan 3, 2008 11:50 AM,  <pd520@xxxxxxxxxx> wrote:
> Hello,
Hi Patrick DUPRE!
> I do not understand, I still cannot boot on the new kernel:
> This is my grub.conf:
> boot=/dev/sda

I cannot find "boot=" in the grub manual.  I do see it referenced but
unused in my Fedora grub.conf:

# NOTICE:  You do not have a /boot partition.  This means that
#          all kernel and initrd paths are relative to /, eg.
#          root (hd0,2)
#          kernel /boot/vmlinuz-version ro root=/dev/sda3
#          initrd /boot/initrd-version.img

Note that the last line is commented out!  Perhaps you should do the same.

> default=0
> timeout=10
> splashimage=(hd0,7)/boot/grub/splash.xpm.gz
> hiddenmenu
> password --md5 $1$Ey8yydw2$Ia5NHuLvdjduWOKIJM57u0
> title Fedora (
>          root (hd0,7)
> #        kernel /boot/vmlinuz- ro root=LABEL=/ rhgb quiet
> selinux=0
>          kernel /boot/vmlinuz- ro root=/dev/sda8 rhgb quiet
> selinux=0
>          initrd /boot/initrd-

I note with interest that you comment out a line that should work?
The errors you mention at the end would suggest that if you browse to
"/dev/sda8"/boot you would not find  kernel
/boot/vmlinuz-  To find out, boot into a working
linux partition, make a directory in /media called sda8 (humm - can
you boot to an extended partition??) and then mount using mount -t
ext3 /dev/sda8 /media/sda8.  Then become root and browse to the disk
using cd /media/sda8/boot (or nautilus as root) and look for  kernel

> title Fedora (2.6.21-1.3194.fc7)
>          root (hd0,7)
>          kernel /boot/vmlinuz-2.6.21-1.3194.fc7 ro root=/dev/sda8 rhgb
> quiet selinux=0
>          initrd /boot/initrd-2.6.21-1.3194.fc7.img
> I have not problem to boot on: 2.6.21-1.3194.fc7
> With the new kernel, if I put:
> kernel /boot/vmlinuz- ro root=LABEL=/ rhgb quiet
> selinux=0
> if fails because it try to boot on a /dev/sdb, so I force it to boot on
> /dev/sda8, but I get:

Do you have "root (hd0,7)" in the stanza?  I guess if you do I wonder
what gparted gets (using device sda) if you issue the "print" command.
 I also wonder if you can boot from this partition if it is extended.

> setuproot: moving /dev failed No such file or directory
> setuproot: error mounting /proc
> setuproot: error mounting /sys
> In what these 2 kernels are so different ?
> Regards
> ---
> ==========================================================================
>   Patrick DUPRE                      |   |
>   Department of Chemistry            |   |    Phone: (44)-(0)-1904-434384
>   The University of York             |   |    Fax:   (44)-(0)-1904-432516
>   Heslington                         |   |
>   York YO10 5DD  United Kingdom      |   |    email: pd520@xxxxxxxxxx
> ==========================================================================
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Good Hunting!


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