Mmhh.. Hello,

this is not an UML issue.
I think you should search on google Linux before.
You can find a lot of stuff about Error 15 from grub.
For example, have a look here:
http://www.linuxquestions.org/questions/fedora-35/grub-error-15-431469/
(I found it using google)
That kind of errors are not related to UML.

Anyway, try to comment the "savedefault fallback" line, first of all.
In my opinion it is not needed.

I think that error cames from a mistake in your grub.conf.
Check you entered the kernel line correctly.

It maight be that you made a mistake writing root(hd0,0).
If grub doesn't find the kernel file in that partition, it may print
the error 15.
Make also sure the kernel file is in /dev/sda3.

It's not so simple to configure GRUB, if it's the first time, but
nothing impossible.
Search through the Internet how to configure Grub.

Bye,
Flavio

On 10/10/2007, Jay Shah <[EMAIL PROTECTED]> wrote:
> Hi Flavio,
>
> > Remember to reply to the list address please.
> Apologies, I will remember that
>
> This is the new error (stated by datacenter):
>
> "The error was error 15 (file not found)."
>
> grub.conf:
>
> title CentOS (2.6.23-skas3)
> root (hd0,0)
> kernel /boot/kernel-2.6.23-skas3 root=/dev/sda3
> savedefault fallback
>
> df -h:
> Filesystem            Size  Used Avail Use% Mounted on
> /dev/sda3              74G   47G   24G  67% /
> /dev/sda1              99M   23M   72M  24% /boot
> none                  473M     0  473M   0% /dev/shm
> /dev/sdb1              74G   85M   70G   1% /backup
> /usr/tmpDSK           485M   11M  449M   3% /tmp
> /tmp                  485M   11M  449M   3% /var/tmp
>
> stat /boot/kernel-2.6.23-skas3:
>   File: `/boot/kernel-2.6.23-skas3'
>   Size: 1800712         Blocks: 3534       IO Block: 4096   regular file
>  ... other stuff ...
>
> Can you spot it?
>
> Many Many Thanks!!!!
>
> Jay
>
> > This my grub.conf, may it helps you:
> >
> > title=Gentoo Linux 2.6.18-r6-skas3-v9-pre9
> > root (hd0,5)
> > kernel /boot/kernel-2.6.18-gentoo-r6-skas3-v9-pre9 root=/dev/sda8
> >
> > It may be you have to correct
> > root=LABEL=/1
> > with something different.... I don't know what "LABEL" is.
> >
> > Search on google, for grub configuration instructions, if needed.
> >
> > Flavio
> >
> > On 08/10/2007, Jay Shah <[EMAIL PROTECTED]> wrote:
> > > Hi,
> > >
> > > I followed your intructions, but the datacenter said the error was:
> > >
> > > "please append a correct "root=" boot option"
> > >
> > > In grub, I configured it like this:
> > >
> > > title CentOS (2.6.10-skas3)
> > >         root (hd0,0)
> > >         kernel /kernel-2.6.20-skas3 ro root=LABEL=/1
> > > #        initrd /initrd-2.6.9-55.0.2.ELsmp.img
> > > savedefault fallback
> > >
> > > Many thanks,
> > >
> > > Jay
> > >
> >
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>
> --
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>
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