Public bug reported: I have 2 Ubuntu 64-Bit installations on 2 different partitions. After booting into the 2nd installation, I have changed in /etc/default/grub: GRUB_DISTRIBUTOR="Ubuntu-64" After grub-install and update-grub I got new .efi files in /boot/efi/EFI/ubuntu-64 and a new /boot/grub/grub.cfg and /boot/efi/EFI/ubuntu-64/grub.cfg refers to the partition of the 2nd installation.
Now /boot/grub/grub.cfg of the 2nd installation is corrupted (see attached grub_2.cfg): - There are some entries like: menuentry 'Ubuntu 16.04.1 LTS (16.04) (auf /dev/sda8) (auf /dev/sda5)' - Some of them don't define initrd. I tried again after deleting /boot/grub/grub.cfg in the 1st installation and got another corrupted one with similar errors (see attached grub_1.cfg). After booting into the 1st installation with update-grub I got similar errors. ** Affects: grub2-signed (Ubuntu) Importance: Undecided Status: New ** Affects: multiboot (Ubuntu) Importance: Undecided Status: New ** Affects: os-prober (Ubuntu) Importance: Undecided Status: New ** Attachment added: "grub_2.cfg" https://bugs.launchpad.net/bugs/1647495/+attachment/4787752/+files/grub_2.cfg ** Also affects: grub2-signed (Ubuntu) Importance: Undecided Status: New ** Also affects: os-prober (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1647495 Title: Corrupted /boot/grub/grub.cfg with 2 UEFI boot menu entries To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2-signed/+bug/1647495/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs