Comment 2 for bug 387272

Could be duff hardware... I now get this:-

GRUB loading.
Welcome to GRUB!

Entering rescue mode...
error: biosdisk read error
grub rescue> help
Unknown command 'help'
Try 'help' for usage
grub rescue>

and...

[ 5.204305] ata2.01: configured for UDMA/66
[ 5.204316] ata2: EH complete
[ 5.205803] ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
[ 5.205809] ata2.00: BMDMA stat 0x65
[ 5.205823] ata2.00: cmd c8/00:20:3f:00:00/00:00:00:00:00/e0 tag 0 dma 16384 in
[ 5.205826] res 51/44:20:3f:00:00/00:00:00:00:00/e0 Emask 0x9 (media error)
[ 5.205833] ata2.00: status: { DRDY ERR }
[ 5.205838] ata2.00: error: { UNC ABRT }