> does cat /proc/cmdline show it? That appears to be what it is
> complaining about, it is not on the current running kernel.
$ cat /proc/cmdline
BOOT_IMAGE=/boot/vmlinuz-3.5.2-1.fc17.i686
root=UUID=cf5a1042-bb2b-4c6b-a0e0-1da27273d413 ro rd.md=0 rd.lvm=0 rd.dm=0
SYSFONT=True KEYTABLE=us rd.luks=0 LANG=en_US.UTF-8 rhgb quiet
I don't see it on the current running kernel, the error is correct.
Have you rebooted and/or do you have it on the correct grub line for
that kernel?