im still having this issue while updating maverick to natty on amazon ec2 :
ubuntu@ip-10-134-146-53:/var/www$ sudo update-grub Generating grub.cfg ... /usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/sda1. /usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/sda1. /usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/sda1. /usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/sda1. /usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/sda1. /usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/sda1. /usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/sda1. /usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/sda1. /usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/sda1. Found linux image: /boot/vmlinuz-2.6.38-11-virtual Found initrd image: /boot/initrd.img-2.6.38-11-virtual /usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/sda1. /usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/sda1. /usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/sda1. /usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/sda1. Found linux image: /boot/vmlinuz-2.6.35-24-virtual Found initrd image: /boot/initrd.img-2.6.35-24-virtual /usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/sda1. /usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/sda1. /usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/sda1. /usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/sda1. /usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/sda1. Found memtest86+ image: /boot/memtest86+.bin done -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/759545 Title: user prompted to update unmodified grub configuration during Ubuntu server upgrade To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-release-notes/+bug/759545/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs