[Bug 1843222] Re: Old Linux version booted after upgrade to Ubuntu 19.10

[Colin Ian King]

** Also affects: casper (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: grub2 (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1843222

Title:
  Old Linux version booted after upgrade to Ubuntu 19.10

Status in casper package in Ubuntu:
  New
Status in grub2 package in Ubuntu:
  New
Status in zfs-linux package in Ubuntu:
  New

Bug description:
  I have a triple boot with the following systems:
  - Xubuntu 19.10 from zfs 0.8.1
  - Ubuntu Mate 18.04.3 from zfs 0.7.12
  - Ubuntu 19.10 from ext4

  Upgrading the first system Xubuntu to 19.10 worked fine and I was very happy with the almost perfect result and the nice grub-menu.
  Upgrading to Ubuntu 19.10 created the following problems:
  - That system booted after the upgrade to Ubuntu 19.10 in Linux 5.0 with zfs 0.7.12
  - All grub entries with the ZFS systems disappeared and the whole nice grub-menu was gone.

  Running update-grub and grub install; I did see the Linux 5.2 version
  appear, but it still booted from 5.0.

  There were some error messages about mounting/importing during the zfs
  part of the upgrade, but they were the same as the ones during the
  Xubuntu upgrade and that upgrade worked perfectly.

  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: zfsutils-linux 0.8.1-1ubuntu11
  ProcVersionSignature: Ubuntu 5.0.0-27.28-generic 5.0.21
  Uname: Linux 5.0.0-27-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu7
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Sep  9 01:37:21 2019
  InstallationDate: Installed on 2019-03-10 (183 days ago)
  InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
  SourcePackage: zfs-linux
  UpgradeStatus: Upgraded to eoan on 2019-09-09 (0 days ago)
  modified.conffile..etc.sudoers.d.zfs: [inaccessible: [Errno 13] Permission denied: '/etc/sudoers.d/zfs']

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