Public bug reported:
On a secure boot pc (secure boot enabled, Ubuntu Desktop 12.10 64bit installed
with Win 8), installing from live media Ubuntu 13.04 64 bit desktop to a target
thumbdrive (pre partitioned with gpt, and a bootable FAT32 partition 1 of 250M
labeled EFI) properly identifies the target's first partition as an "EFI
bootable partition" (when "do something else" is selected), but the install
will then mount the ESP off the laptop's hard drive (at /target/boot/efi).
The install creates a grub.cfg file under /target/boot/efi/EFI/ubuntu pointing
to the target's(uuid) /boot/grub/grub.cfg. This wrong grub.cfg will prevent
the laptop from booting Ubuntu without the thumbdrive, throwing the boot into a
grub prompt (since the configfile points to the usb and is no longer present).
The install should use the identified "EFI boot partition" on the
target, so the target may boot when first in boot priority, and not
touch the hard disk's EFI files. If for any reason a permanent
installation is to be made to a USB device, simply select the hard
disk's ESP instead of one on the target.
** Affects: ubiquity (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1173457
Title:
Ubuntu 13.04 Desktop 64 bit install uses wrong ESP for secure boot
laptop
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