[clue-tech] Multi-boot chainloading to another boot partition

[qqq1one at yahoo.com]

Just checking, but does anyone here multi-boot to more than installation of Linux?

If so, can you post your grub.conf entry for your non-primary installation?  Thanks.

--- "qqq1one @yahoo.com" <qqq1one at yahoo.com> wrote:

> I have an install of Fedora Core 5 (including /boot partition) on a slave drive.  This install
> was
> originally done with the drive configured as the master, but I now have another drive configured
> as the master with FC7 installed on it.
> 
> Recently I needed to boot back into FC5, and I wanted to do it without swapping the slave back
> to
> the master.  Since I have previously multi-booted into WinXP on a slave drive using the
> following
> grub.conf entry:
> 
>   title Windows XP
>           map (hd0) (hd1)
>           map (hd1) (hd0)
>           rootnoverify (hd1,0)
>           chainloader +1
> 
> I figured I could just do the same with the FC5 disk in place of the WinXP disk.  I know that
> this
> is not the normal way to multi-boot from one Linux to another, since you can have the kernel and
> initrd entries for the slave installation located on the primary disk /boot partition, but I
> didn't want to mix the old with the new, and indeed I couldn't even find the /boot partition on
> the slave drive without making it the primary again.
> 
> However, when I tried the map-and-chainload trick above with my slave FC5 drive, I got the
> Stage2
> error:
>  
>   13 : Invalid or unsupported executable format
> 
> and I haven't been able to figure out why chainloading to another Linux boot partition would be
> different than chainloading to a Windows master boot record.  Can someone help me understand
> this?
>  Thanks in advance.
> 
> 
>        
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