On 19 May 2015 at 19:52, Alex Regan <mysqlstudent@xxxxxxxxx> wrote:
Hi,
On 05/17/2015 11:31 PM, Alex Regan wrote:
Hi,
I installed fedora21 on an AMD x86_64 box then moved it to an Intel
x86_64 box and it would no longer boot. It would get to the following:
Switched to clocksource tsc
then just sit there. Booting from the rescue kernel worked properly.
What is the difference between the standard default kernel and the
rescue kernel?
# grep ^menuentry /etc/grub2.cfg
menuentry 'Fedora, with Linux 3.19.7-200.fc21.x86_64' --class fedora
--class gnu-linux --class gnu --class os --unrestricted
..
menuentry 'Fedora, with Linux 0-rescue-1b5a0c2dfaca499c98f601585417d143'
--class fedora --class gnu-linux --class gnu --class os --unrestricted
$menuentry_id_option
'gnulinux-0-rescue-1b5a0c2dfaca499c98f601585417d143-advanced-a76c8f65-ff02-470b-b087-453fc8b6275e'
Also, what is this new initrd16 and linux16 grub2 options?
Do I need to rebuild the initrd to support the AMD processor on the new
machine? I believe I use dracut for that?
Rebuilding the initramfs image with dracut resolved this. I never expected the boot image to be missing enough actual processor support to prevent booting.
# cd /boot
# dracut -f /boot/initramfs-$(uname -r).img $(uname -r)
FWIW just "dracut -f" would have done the same.
--
Ahmad Samir
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