On Fri, Jan 11, 2019 at 3:22 PM Gary Palmer <gpal...@freebsd.org> wrote:
> On Fri, Jan 11, 2019 at 01:18:35PM -0600, Kyle Evans wrote: > > On Fri, Jan 11, 2019 at 1:15 PM Jonathan Chen <j...@chen.org.nz> wrote: > > > > > > On Sat, 12 Jan 2019 at 07:55, Stefan Bethke <s...@lassitu.de> wrote: > > > [...] > > > > The UEFI man page has a good explanation of which files are involved > in booting: > > > > > https://www.freebsd.org/cgi/man.cgi?query=uefi&sektion=8&manpath=freebsd-release-ports > > > > > > > > I mounted the ESP and copied /boot/boot1.efi to > /boot/efi/EFI/BOOT/BOOTX64.EFI. Surprisingly, the new boot1.efi is much > smaller than what I had before (according to the timestamp from November), > but using that, booting seems to be restored. > > > > > > > > # grep efi /etc/fstab > > > > /dev/ada0p2 /boot/efi msdos rw,noauto 0 > 0 > > > > # mount /boot/efi > > > > # ls -l /boot/efi/EFI/BOOT/BOOTX64.EFI > /boot/efi/EFI/BOOT/bak/BOOTX64.EFI > > > > -rwxr-xr-x 1 root wheel 81920 Jan 11 18:43 > /boot/efi/EFI/BOOT/BOOTX64.EFI* > > > > -rwxr-xr-x 1 root wheel 410112 Nov 25 16:27 > /boot/efi/EFI/BOOT/bak/BOOTX64.EFI* > > > > > > While the uefi(8) man page suggests that boot1.efi should be used, > > > loader.efi can also substituted. I believe the release images use > > > loader.efi instead of boot1.efi, as it's slightly more efficient. > > > > > > > Indeed, boot1.efi is a hack that's going to get kicked out of the tree > > in due time. > > Can I request a clarification in the man page? At least in 11.2 the > uefi(8) man page state > > -- QUOTE -- > 2. boot1.efi reads boot configuration from /boot.config or > /boot/config. Unlike other first-stage boot loaders, > boot1.efi passes the configuration to the next stage boot > loader and does not itself act on the contents of the file. > -- QUOTE -- > > It's not 100% clear, although implied by the fact that the next step > looks for freebsd-ufs or freebsd-zfs partitions, that the boot.config is > loaded from the ESP (at least I'm guessing that's where it's loaded > from). Could the location of where boot.config is loaded from be > clarified please? > In 11.2, boot1.efi was used to load the next stage of the boot process (which was /boot/loader.efi off either a UFS or ZFS filesystem based on a number of heuristics). The boot.config was loaded from the same filesystem loader.efi was loaded from, and not the ESP. Warner _______________________________________________ freebsd-stable@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
