On Tue, 2014-04-08 at 10:54 +0200, Chris Murphy wrote: > On Apr 8, 2014, at 9:19 AM, Fred New <fred.new2911@xxxxxxxxx> wrote: > > > > > > > > > On Tue, Apr 8, 2014 at 7:30 AM, Adam Williamson <awilliam@xxxxxxxxxx> wrote: > > > >> In what way? I wrote it, just a month or two ago. I'm not aware of > >> anything in it which is outdated. > >> > > Sorry, my mistake. I thought this one also referred to Fedora 18. > > It does. And for UEFI it's the same since Fedora 18. > > a. Anything after grub2-install is ignored because the target must be > mounted, typically that's at /boot/efi. > > b. If you actually use grub2-install and overwrite the existing > grubx64.efi on the EFI System partition, it breaks UEFI Secure Boot > computers ability to boot Fedora because the resulting bootloader will > not be signed. > > c. Even if you don't use Secure Boot, the custom created grubx64.efi > (core.img) is sufficiently different in behavior from the prebaked > grubx64.efi that you may want to pull your hair out anyway. > > So everyone just needs to stop recommending reinstalling grub this > way. I don't think anyone has actually explicitly recommended doing so for UEFI; I just think the people who've mentioned it haven't understood UEFI at all and are just parroting the 'standard' advice for 'reinstalling grub'. Thanks for the mail, though, because I didn't actually know what grub2-install *does* on UEFI, only that it's not necessary. :P -- Adam Williamson Fedora QA Community Monkey IRC: adamw | Twitter: AdamW_Fedora | XMPP: adamw AT happyassassin . net http://www.happyassassin.net -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct