[Bug 1396379] Re: installer uses first EFI system partition found even when directed otherwise

[Fred Palmer]

Just installed 18.04.1 to flash drive sdd.

Installer said this:

Dec 27 19:29:45 ubuntu grub-installer: info: Installing grub on '/dev/sdd'
Dec 27 19:29:45 ubuntu grub-installer: info: grub-install does not support --no-floppy
Dec 27 19:29:45 ubuntu grub-installer: info: Running chroot /target grub-install  --force "/dev/sdd"
Dec 27 19:29:45 ubuntu grub-installer: Installing for x86_64-efi platform.
Dec 27 19:30:23 ubuntu grub-installer: Installation finished. No error reported.
Dec 27 19:30:23 ubuntu grub-installer: info: grub-install ran successfully

But again it actually installed to sda's ESP overwriting my main working
install's boot on sda drive. ESP on sdd was empty.


>From my main working install, once reconfigured grub.cfg to boot main install.

fred at bionic-z97:~$ ll /boot/efi/EFI/ubuntu
total 3728
drwxr-xr-x 3 root root    4096 Dec 27 15:52 ./
drwxr-xr-x 4 root root    4096 Sep 16 15:44 ../
-rwxr-xr-x 1 root root     108 Dec 27 13:30 BOOTX64.CSV*
drwxr-xr-x 2 root root    4096 Dec 27 13:14 fw/
-rwxr-xr-x 1 root root   71400 Dec 27 13:14 fwupx64.efi*
-rwxr-xr-x 1 root root     194 Dec 27 15:52 grub.cfg*
-rwxr-xr-x 1 root root 1116024 Dec 27 13:30 grubx64.efi*
-rwxr-xr-x 1 root root 1269496 Dec 27 13:30 mmx64.efi*
-rwxr-xr-x 1 root root 1334816 Dec 27 13:30 shimx64.efi*

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https://bugs.launchpad.net/bugs/1396379

Title:
  installer uses first EFI system partition found even when directed
  otherwise

Status in ubiquity package in Ubuntu:
  Triaged

Bug description:
  (k)ubuntu 14.04.1
  package version: 2.02~beta2-9ubuntu1

  i installed ubuntu on my external hard disk, where i also have a previously installed fedora system. i also have a windows
  (efi-booted) system in the internal hard disk.

  at install time via ubiquity i get all grub configuration files in the first EFI-labelled partition (i.e. /dev/sda2 in my case) instead of the one i selected (/dev/sdb1).
  later i changed my fstab mounting /boot/efi on /dev/sdb1 and tried to reinstall grub package (apt-get install --reinstall grub-efi-amd64); now all grub configuration files are in the rigt place, but booting from the external hard disk still shows the fedora grub installation, while selectin the internal hard disk from the bios menu shows a submenu listing ubuntu and windows.
  explicitly installing grub in the correct disk (grub-install /dev/sdb; grub-mkconfig -o /boot/efi/EFI/ubuntu/grub.cfg) has no effect, nor it has running efibootmgr (efibootmgr -c --disk /dev/sdb --part 1).

  expected results: grub shoud have been installed in the disk/partition i chose;
  actual results: ubuntu always chooses the first disk to install grub on.

  Note that this is not just about the dummy grub install location
  selector that is not used in EFI mode, but configuring one partition
  as do not use, and the other as ESP in the manual partitioning screen.

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