Here is information taken from boot-repair which could be helpful. Boot- repair didn't work for me.
** Attachment added: "BootInfo.txt" https://bugs.launchpad.net/ubuntu/+bug/1851031/+attachment/5304184/+files/BootInfo.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1851031 Title: LVM failed to activate on upgade to 19.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1851031/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
