Ok, it looks like fdisk has a bug which was preventing it from working correctly for you. I will file a separate bug report for that.
Can you please run this command now:
sudo dd if=/dev/sda count=1 skip=234374049 | xxd
Ok, it looks like fdisk has a bug which was preventing it from working correctly for you. I will file a separate bug report for that.
Can you please run this command now:
sudo dd if=/dev/sda count=1 skip=234374049 | xxd