grub.cfg broken after yum update

[Kevin Martin]

On 06/21/2012 11:47 PM, JD wrote:
> After yum update (which produced no error messages)
> kernel-3.4.2-1 was installed. So, because of my prior
> problems with yum updating the kernel, I decided to
> look at grub.cfg.
> 
> Again, dracut did not produce the initramfs for the new kernel.
> 
> I had to manually run
> dracut -f /boot/initramfs-3.4.2-1.img 3.4.2-1.fc16.i686
> 
> and add the line
> initrd /boot/initramfs-3.4.2-1.fc16.i686.img
> to the bottom of each menuentry.
> 
> See the menue ntries below, as they were created by dracut for the new kernel.
> 
> menuentry 'Fedora (3.4.2-1.fc16.i686.debug)' --class fedora --class gnu-linux --class gnu --class os {
>         load_video
>         set gfxpayload=keep
>         insmod gzio
>         insmod part_msdos
>         insmod ext2
>         set root='(hd0,msdos2)'
>         search --no-floppy --fs-uuid --set=root 259d7b44-1122-42cc-b504-3dd40027d3b9
>         echo 'Loading Fedora (3.4.2-1.fc16.i686.debug)'
>         linux   /boot/vmlinuz-3.4.2-1.fc16.i686.debug root=UUID=259d7b44-1122-42cc-b504-3dd40027d3b9 ro rd.md=0 rd.lvm=0 rd.dm=0
>   KEYTABLE=us quiet SYSFONT=latarcyrheb-sun16 rhgb rd.luks=0 LANG=en_US.UTF-8
>         echo 'Loading initial ramdisk ...'
> }
> menuentry 'Fedora (3.4.2-1.fc16.i686)' --class fedora --class gnu-linux --class gnu --class os {
>         load_video
>         set gfxpayload=keep
>         insmod gzio
>         insmod part_msdos
>         insmod ext2
>         set root='(hd0,msdos2)'
>         search --no-floppy --fs-uuid --set=root 259d7b44-1122-42cc-b504-3dd40027d3b9
>         echo 'Loading Fedora (3.4.2-1.fc16.i686)'
>         linux   /boot/vmlinuz-3.4.2-1.fc16.i686 root=UUID=259d7b44-1122-42cc-b504-3dd40027d3b9 ro rd.md=0 rd.lvm=0 rd.dm=0  KEYT
> ABLE=us quiet SYSFONT=latarcyrheb-sun16 rhgb rd.luks=0 LANG=en_US.UTF-8
>         echo 'Loading initial ramdisk ...'
> }
> 

Have you checked bugzilla.redhat.com to see if your version of dracut may be buggy?  You may need to go to an f17 or rawhide version
but maybe that's not it.  Can you build the initramfs by hand (as root or sudo "dracut -f  /boot/initramfs-3.4.2-1.fc16.i686.img")?

Kevin