I just did a preupgrade from F15 to F16 and fell into this trap, or something similar.
From a rescue disk boot (F12 is the latest I had lying around), I can
see both grub and grub2 directories in /boot. The grub2 dir looks set up, but when booting grub/grub.conf is accessed, and it points to the preupgrade "kernel" which no longer exists. I tried setting grub/grub.conf so that at least the system would boot, but I can't figure out how to set the "root=" option. Using what's in grub2 does not work, nor does any of many things I've tried (it's /dev/sda2, and presumably VolGroup00-LogVol01, but nothing like that works). So, I'm dead in the water as well.
On Sun, Feb 26, 2012 at 12:18 PM, Michael D. Setzer II mikes@kuentos.guam.net wrote:
I've don't a number of upgrades from Fedora 14 to 16 with no problems, but just had a very bad issue with grub2 not working.
Preupgrade process seemed to go fine, then rebooted. Screen came up, but was in a very dark gray with slightly lighter gray letters that were not very readable, but it appeared to be processing fine, and let it run.
After a while, it had a popup window that said something about a bootloader with only an OK button, which I was a guessing was that it was going to install the new bootloader, so pressed enter.
Machine rebooted but showed the old grub 0.97 options, which only listed the upgrade kernel option and the link to run my g4l kernels. The preupgrade option didn't find files, but booting from the g4l kernel gave me access, and I could see a grub2 directory was there and so was the new kernels. I was eventually able to get the 0.97 grub.conf to load the fedora 16 kernel and initramfs by manually creating entry, but don't know why the grub2 upgrade would have failed, or what the best way to get the grub2 correctly installed?
I have the previous 500GB disk with the Fedora 14 before the upgrade, so can go back to it if necessary. Had to duplicate the disk to a 1TB drive and increase the /boot since the system only had a 200MB /boot.
Hoping there is a simple solution?
+----------------------------------------------------------+ Michael D. Setzer II - Computer Science Instructor Guam Community College Computer Center mailto:mikes@kuentos.guam.net mailto:msetzerii@gmail.com http://www.guam.net/home/mikes Guam - Where America's Day Begins G4L Disk Imaging Project maintainer http://sourceforge.net/projects/g4l/ +----------------------------------------------------------+
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