Somebody could correct me, but if the installed Centos install is on a ext4 file system, then the installed version of grub needs to support it. Which version of grub are you running and from which distro? - Rilindo Foster http://monzell.com http://www.linkedin.com/pub/rilindo-foster/2/b32/43b On Dec 4, 2011, at 11:53 PM, Always Learning <centos@xxxxxxxxxxx> wrote: >> Despite using the usually successful methods of booting into another >> operating system from C 5.7, I can't get into C 6.0 >> >> Tried:- >> >> title C6-0 (2.6.32-71.el6.x86_64) >> >> rootnoverify (hd0,6) >> chainloader +1 >> >> and >> >> root (hd0,6) >> kernel /boot/vmlinuz-2.6.32-71.el6.x86_64 ro >> root=UUID=67c62872-0c69-451c-8412-3c218c0d2cb0 rd_NO_LUKS rd_NO_LVM >> rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 >> KEYBOARDTYPE=pc KEYTABLE=uk >> initrd /boot/initramfs-2.6.32-71.el6.x86_64.img > > > > The GRUB error is:- > > 13 : Invalid or unsupported executable format > > This error is returned if the kernel image being loaded is not > recognized as Multiboot or one of the supported native formats (Linux > zImage or bzImage, FreeBSD, or NetBSD). > > > Bewildered. > > Paul. > > > _______________________________________________ > CentOS mailing list > CentOS@xxxxxxxxxx > http://lists.centos.org/mailman/listinfo/centos _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos