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Description of problem:
After upgrading from 6.2 and kernel 2.6.32-220.23.1.el6.x86_64 to 6.3 and kernel 2.6.32-279.5.1.el6.x86_64 grub gives "Error 24: Attempt to access block outside partition"

This is a KVM guest with an ext4 filesystem.
Booting kernel 2.6.32-220.23.1.el6.x86_64 just fine.
Removing kernel 2.6.32-279.5.1.el6.x86_64 and reinstalling it does not work.
Filesystem has been checked and no problem was detected.

Version-Release number of selected component (if applicable):
2.6.32-279.5.1.el6.x86_64

How reproducible:
Install kernel 2.6.32-279.5.1.el6.x86_64 and try to boot it.

Steps to Reproduce:
1.
2.
3.
  
Actual results:
Boot halts with Error 24: Attempt to access block outside partition after Grub menu.

Expected results:
The kernel should boot.

Additional info:

# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/vda1             1.5T   25G  1.4T   2% /
tmpfs                 1.5G     0  1.5G   0% /dev/shm

Googling around showed a few people on other distros solving this by installing a newer kernel so I decided to test that with the next kernel release. 

And they were right. Updated to kernel 2.6.32-279.9.1.el6.x86_64 today and it booted just fine. 

This bug can be closed.

Closing per comment #2