On 25.09.2012 20:42, yannubu...@gmail.com wrote: > > > 2012/9/25 Chris Murphy <li...@colorremedies.com > <mailto:li...@colorremedies.com>> > > > On Sep 25, 2012, at 6:17 AM, yannubu...@gmail.com > <mailto:yannubu...@gmail.com> wrote: >> >> With 1.99, i only had to use 'grub-install' (without any >> parameter, and not necessarily booted in EFI mode). >> It would be nice (for retrocompatibility) if 2.00 could do the >> same (eg it could guess the 32/64 architecture, and set >> --efi-directory to /boot/efi by default). > > It's not that simple. /boot/efi is just a mount point for the EFI > System partition. grub.efi can't free float on that partition, it > won't be found. It needs to go in /efi/grub or /efi/fedora or > /efi/suse or whatever, per the UEFI spec. I think for upstream grub > it probably would be <mountpoint>/efi/grub. And then each > distribution can modify so their grub-install will place grub.efi in > the distribution specific location on the EFI System partition. > > > Thanks Chris, > > I agree that GRUB needs to know in which ESP's sub-folder (eg > /efi/fedora) it needs to create the grub*.efi file, but then i wonder: > > 1) why does 'grub-install' (without any parameter) work for Ubuntu12.04 > (grub1.99) ?
Probably because your kernel doesn't handle EFI properly so grub-install wasn't able to detect it (/sys/firmware/efi was missing). For older versions only one flavour of GRUB could be installed at a time. > 2) why does the command indicated by Aaron for 2.00 (grub-install > --target=x86_64-efi --efi-directory="<root efi directory, eg. > /boot/efi>") does not specify this sub-folder ? > Because this is not part of efi-directory (and RTFM) > Regards > Yann > > > > _______________________________________________ > Grub-devel mailing list > Grub-devel@gnu.org > https://lists.gnu.org/mailman/listinfo/grub-devel -- Regards Vladimir 'φ-coder/phcoder' Serbinenko
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