Public bug reported: You can see a detailed description of this issue in https://askubuntu.com/questions/628206/how-can-i-boot-into-arch-linux- using-initramfs-in-ubuntus-grub
The fix suggested there by Naiky is simple and works with a little modification described in comment https://askubuntu.com/questions/628206 /how-can-i-boot-into-arch-linux-using-initramfs-in-ubuntus- grub#comment2176155_1144517 ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: os-prober 1.74ubuntu2 ProcVersionSignature: Ubuntu 5.4.0-48.52-generic 5.4.60 Uname: Linux 5.4.0-48-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.9 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Mon Oct 12 18:24:24 2020 InstallationDate: Installed on 2020-04-24 (171 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423) SourcePackage: os-prober UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: os-prober (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug focal -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1899535 Title: os-prober generates incorrect entries for Arch linux To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1899535/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
