cpu frequency scaling unsupported all of a sudden

[timohirt at gmx.de]

> WOW, how did that happen? what is the proper way to install the same
> version kernel for i686 arch? This has to be an installer bug. I wonder

Look at bugzilla https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=211941

To solve the problem backup grub.conf and menu.lst.

rpm -e --nodeps kernel

yum install kernel.i686

Then copy the back grub.conf and menu.lst back to the /boot/grub directory.