[Bug 1967944] ProcCpuinfoMinimal.txt

[Jeremy Bicha]

apport information

** Attachment added: "ProcCpuinfoMinimal.txt"
   https://bugs.launchpad.net/bugs/1967944/+attachment/5577656/+files/ProcCpuinfoMinimal.txt

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https://bugs.launchpad.net/bugs/1967944

Title:
  After installing Ubuntu 22.04 next to Fedora, no option to boot Fedora

Status in grub2 package in Ubuntu:
  New
Status in ubiquity package in Ubuntu:
  Confirmed

Bug description:
  Test Case 1:
  ------------
  0. Install Fedora 36 Beta
  1. Use the latest Ubuntu 22.04 daily image to install Ubuntu

  Expected:
  The boot menu list includes Fedora

  What happens instead:
  The system boots directly into Ubuntu without showing the grub screen since Ubuntu is the only available system.

  Other Info
  ----------
  I first did a default Fedora install. Whole disk. It used btrfs by default. No encryption. No LVM. No separate boot partition. There was a EFI partition when I used GNOME Boxes for this install.

  When I booted Ubuntu, I had to use gparted to resize the Fedora btrfs
  partition since the Ubuntu installer would not prompt to do it
  automatically (no Install Alongside option).

  I then tried the workaround to add GRUB_DISABLE_OS_PROBER=false to
  /etc/default/grub . When I ran sudo update-grub , Fedora still wasn't
  recognized.

  So my guess is that Ubuntu's os-prober doesn't recognize a boot
  directory on a btrfs partition?

  Test Case 2
  -----------
  Successful.
  I installed Windows 11 first. Then I installed Ubuntu by choosing Install Alongside Windows. The boot menu list included Windows (and Ubuntu).

  ---
  ProblemType: Bug
  ApportVersion: 2.20.11-0ubuntu80
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  DistroRelease: Ubuntu 22.04
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
  InstallationDate: Installed on 2022-04-06 (0 days ago)
  InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Daily amd64 (20220406)
  Package: ubiquity (not installed)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 5.15.0-25.25-generic 5.15.30
  Tags:  jammy wayland-session wayland-session ubiquity-22.04.11
  Uname: Linux 5.15.0-25-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
  _MarkForUpload: True

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