subiquity installer doesn't create /etc/default/grub

Bug #2017432 reported by Jack Howarth
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
subiquity (Ubuntu)
New
Undecided
Unassigned

Bug Description

The new subiquity installer in Ubuntu 23.04 fails to create a /etc/default/grub file when installing using the 'Erase and install Ubuntu' or 'Something else' options under Installation Type. In either case, when installing on a second NVMe drive in the presence of a first NVMe drive containing an existing Window 11 installation, the installer claims the installation has been completed and that the installation media should be removed. However after restart, the Windows Boot Manager isn't shown in the grub menu. Checking for /etc/default/grub, I discovered it was missing from the newly installed Ubuntu 23.04. To solve this issue, I had to resort to...

cd /etc/default
sudo cp /usr/share/grub/default/grub grub

and then execute 'sudo update-grub'.

Tags: lunar
Paul White (paulw2u)
affects: ubuntu → subiquity (Ubuntu)
tags: added: lunar
Revision history for this message
Jack Howarth (jwhowarth) wrote :

Attached a bzip2 archive of the files in /var/installer from the problematic Ubuntu 23.04 installation.

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