[Bug 2051999] Re: Grub2 2.06 has upstream bug that results in Non-booting with ZFS after snapshot of bpool.

[Rick S]

I've added the PPA for Noble just now, will report after a manual bpool
snapshot

     **The following packages will be upgraded:
  automake autopoint ayatana-indicator-common bind9-dnsutils bind9-host bind9-libs cpio
  gcc-14-base gcc-14-base:i386 gettext gettext-base grub-common grub-efi-amd64-bin
  grub-efi-amd64-signed grub-pc grub-pc-bin grub2-common language-pack-gnome-en
  libasan8 libatomic1 libatomic1:i386 libcc1-0 libgcc-s1 libgcc-s1:i386 libgfortran5
  libgnutls30 libgomp1 libhwasan0 libitm1 liblsan0 libneon27 libp11-kit0 libpcap0.8
  libquadmath0 libstdc++6 libstdc++6:i386 libtsan2 libubsan1 linux-firmware
  openssh-client p11-kit p11-kit-modules python3-mako ufw
44 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

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https://bugs.launchpad.net/bugs/2051999

Title:
  Grub2 2.06 has upstream bug that results in Non-booting with ZFS after
  snapshot of bpool.

Status in grub2 package in Ubuntu:
  Confirmed
Status in grub2-unsigned package in Ubuntu:
  Confirmed
Status in zfs-linux package in Ubuntu:
  New

Bug description:
  There is an upstream Bug with Grub where if you create snapshots of bpool, it results in a non-booting System. The problem was found to be an upstream Bug with Grub2:
  https://savannah.gnu.org/bugs/index.php?64297

  Multiple Ubuntu 22.04.3 Users Affected:
  https://ubuntuforums.org/showthread.php?t=2494397&highlight=zfs+grub+bug
  https://ubuntuforums.org/showthread.php?t=2494957

  Brought up as an issue at OpenZFS:
  https://github.com/openzfs/zfs/issues/13873

  If you look at this comment (https://github.com/openzfs/zfs/issues/13873#issuecomment-1892911836), if was found the Savanaugh at GNU released a fix for it in Grub2 2.12, here:
  https://git.savannah.gnu.org/cgit/grub.git/log/grub-core/fs/zfs/zfs.c

  Ubuntu Jammy 22.04.3 is Grub2 2.06. We need to backported this patch
  to Grub2 2.06 so that Users are not caught of in this bug for or
  currently supported LTS Release.

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: grub-efi-amd64 2.06-2ubuntu14.4
  ProcVersionSignature: Ubuntu 6.2.0-39.40~22.04.1-generic 6.2.16
  Uname: Linux 6.2.0-39-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu82.5
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CurrentDesktop: GNOME
  Date: Thu Feb  1 16:40:28 2024
  InstallationDate: Installed on 2021-09-23 (861 days ago)
  InstallationMedia: Ubuntu 20.04.3 LTS "Focal Fossa" - Release amd64 (20210819)
  SourcePackage: grub2-unsigned
  UpgradeStatus: Upgraded to jammy on 2022-08-17 (533 days ago)

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