Red Hat Bugzilla – Bug 759641
Preupgrade does not place the "root (hd0,2)" line in grub.conf for its boot kernel
Last modified: 2012-08-07 12:20:57 EDT
Description of problem:
Preupgrade cannot start because it installed a non-working GRUB boot entry.
Version-Release number of selected component (if applicable):
Only tried this once.
Steps to Reproduce:
1. Install preupgrade on FC15.
2. Attempt to upgrade to FC16.
Unable to boot the install kernel.
Should boot into anaconda upgrade.
System is in UEFI mode, so default / directory for GRUB is in EFI/redhat/
Even if it wasn't using UEFI a /boot partition that was perhaps in partition 2 would still mess this up.
Looks like this was the problem I have being having.
Preupgrades update kernel starts, but is unable to find the root partition.
I try adding it to grub.conf to see if I can finish the upgrade process.
Modulo the grub to grub2 syntax changes, this is still a problem with the Fedora 16 to Fedora 17 preupgrade with preupgrade-1.1.10-1.fc16.noarch.
Manually adding the "set root='(hd0,msdos1)'" in the grub editor allows the system to boot into Anaconda.
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