Another problem documented is that cfdisk makes a system incompatible for grub2 installation since grub2 expects everything to start at sector 2048 and cfdisk starts everything at sector 63. On Tue, 7 Aug 2012, Mauro Santos wrote:
On 06-08-2012 23:20, David C. Rankin wrote:
I noticed that too. Also, if you just follow the beginners guide without using the grub2 page, you end up installing grub2 wrong because the beginners guide omits the --target flag for grub-install. There should be links to:
https://wiki.archlinux.org/index.php/Grub2#Install_to_440-byte_MBR_boot_code...
for the most common install. Instead the beginners_guide just says to:
grub-install /dev/sda
which according to the grub2 wiki will result in the grub2 error on:
"source_dir doesn't exist"
After reading the wiki and the man page I did use only 'grub-install /dev/sda' and it worked without any problems for the 3 systems that I have converted to use grub2.
As I see it --target should not be needed if grub is going to run from the same machine/architecture it was installed with. The man page says:
--target=TARGET install GRUB for TARGET platform [default=current]
If grub can't decide correctly on what is the current platform, it sounds like a bug with grub and it should be reported upstream so it can be fixed.
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