Kernel Panic with Latest AS v.4 update

[Dean Landry]

The lines leading up to the error were:

>>>Red Hat mash version 4.1.18 starting
>>>Mounted /proc filessystem
>>>Mounting sysfs
>>>Creating /dev
>>>starting udev
>>>Loading jbd.ko module
>>>Loading ext3.ko module
>>>Creating root device
>>>mkrootdev: label / not found
>>>      
>>>
>
>This means that the volume isn't labeled or doesn't match what's in
>grub.conf.
>
>  
>
>>>Mounting root filesystem
>>>mount: error 2 mounting ext3
>>>mount: error 2 mounting none
>>>Switching to new root
>>>switchroot: mount failed: 22
>>>umount /initrd/dev failed: 2
>>>Kernel panic - not syncing: Attempted to kill init!
>>>
>>>How do I start to troubleshoot this?
>>>
>>>      
>>>
>>When you put the new kernel in did you create a new ramdisk?
>>    
>>
>
>That's done automatically by the post-install scripts for the kernel.
>You can see this with:
>$ rpm -q kernel --scripts
>
>As for the original poster, let's have a look at /etc/grub.conf.  Please
>don't tell us you're still running lilo.
>
>  
>
Nope... no Lilo for me.  Here are grub.conf's contents:

default=0
timeout=10
splashimage=(hd0,0)/grub/splash.xpm.gz
title Red Hat Enterprise Linux AS (2.6.9-5.0.3.EL)
        root (hd0,0)
        kernel /vmlinuz-2.6.9-5.0.3.EL ro root=LABEL=/
        initrd /initrd-2.6.9-5.0.3.EL.img
title Red Hat Enterprise Linux AS (2.6.9-5.0.3.ELsmp)
        root (hd0,0)
        kernel /vmlinuz-2.6.9-5.0.3.ELsmp ro root=LABEL=/
        initrd /initrd-2.6.9-5.0.3.ELsmp.img
title Red Hat Enterprise Linux AS (2.6.9-5.ELsmp)
        root (hd0,0)
        kernel /vmlinuz-2.6.9-5.ELsmp ro root=LABEL=/
        initrd /initrd-2.6.9-5.ELsmp.img
title Red Hat Enterprise Linux AS (2.6.9-5.EL)
        root (hd0,0)
        kernel /vmlinuz-2.6.9-5.EL ro root=LABEL=/
        initrd /initrd-2.6.9-5.EL.img