I'm surprised the snapshots showed up, I've got the snapdirs hidden:
$ zfs list -oname,snapdir
NAME SNAPDIR
bpool hidden
bpool/BOOT hidden
bpool/BOOT/ubuntu hidden
rpool hidden
rpool/ROOT hidden
rpool/ROOT/ubuntu hidden
rpool/home hidden
rpool/home/root hidden
rpool/home/sarnold hidden
rpool/swap -
rpool/tmp hidden
rpool/usr hidden
rpool/usr/local hidden
rpool/var hidden
rpool/var/cache hidden
rpool/var/lib hidden
rpool/var/lib/AccountsService hidden
rpool/var/lib/docker hidden
rpool/var/lib/nfs hidden
rpool/var/lib/schroot hidden
rpool/var/log hidden
rpool/var/mail hidden
rpool/var/snap hidden
rpool/var/spool hidden
rpool/var/tmp hidden
rpool/var/www hidden
** Also affects: initramfs-tools (Ubuntu)
Importance: Undecided
Status: New
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Touch seeded packages, which is subscribed to initramfs-tools in Ubuntu.
https://bugs.launchpad.net/bugs/1860762
Title:
Upgrade with zfs-on-root failures
Status in initramfs-tools package in Ubuntu:
New
Status in ubuntu-release-upgrader package in Ubuntu:
New
Bug description:
I followed rlaager's howto for installing Ubuntu 18.04 LTS with ZFS
root (but used disco). I've also set up sanoid to perform periodic
snapshots of bpool (which stores /boot).
The upgrade from disco to eoan didn't go well:
[.. trimmed to fit in the comment box; more context in attachment ..]
/ubuntu@autosnap_2020-01-24_04:00:05_frequently
Found initrd image: initrd.img-5.3.0-29-generic in
rpool/ROOT/ubuntu@autosnap_2020-01-24_04:00:05_frequently
Found linux image: vmlinuz-5.0.0-39-generic in
rpool/ROOT/ubuntu@autosnap_2020-01-24_04:15:05_frequently
Found initrd image: initrd.img-5.0.0-39-generic in
rpool/ROOT/ubuntu@autosnap_2020-01-24_04:15:05_frequently
Found linux image: vmlinuz-5.0.0-40-generic in
rpool/ROOT/ubuntu@autosnap_2020-01-24_04:15:05_frequently
Found initrd image: initrd.img-5.0.0-40-generic in
rpool/ROOT/ubuntu@autosnap_2020-01-24_04:15:05_frequently
Found linux image: vmlinuz-5.3.0-29-generic in
rpool/ROOT/ubuntu@autosnap_2020-01-24_04:15:05_frequently
Found initrd image: initrd.img-5.3.0-29-generic in
rpool/ROOT/ubuntu@autosnap_2020-01-24_04:15:05_frequently
Adding boot menu entry for EFI firmware configuration
done
Processing triggers for dbus (1.12.14-1ubuntu2) ...
Processing triggers for initramfs-tools (0.133ubuntu10) ...
update-initramfs: Generating /boot/initrd.img-5.3.0-29-generic
cryptsetup: ERROR: Couldn't resolve device rpool/ROOT/ubuntu
cryptsetup: WARNING: Couldn't determine root device
Error 24 : Write error : cannot write compressed block
E: mkinitramfs failure cpio 141 lz4 -9 -l 24
update-initramfs: failed for /boot/initrd.img-5.3.0-29-generic with 1.
dpkg: error processing package initramfs-tools (--configure):
installed initramfs-tools package post-installation script subprocess
returned error exit status 1
Processing triggers for shim-signed (1.39+15+1533136590.3beb971-0ubuntu1) ...
Nothing to do.
Processing triggers for libgdk-pixbuf2.0-0:amd64 (2.40.0+dfsg-1build1) ...
Errors were encountered while processing:
initramfs-tools
Exception during pm.DoInstall(): E:Sub-process /usr/bin/dpkg returned an
error code (1)
Could not install the upgrades
The upgrade has aborted. Your system could be in an unusable state. A
recovery will run now (dpkg --configure -a).
Setting up initramfs-tools (0.133ubuntu10) ...
update-initramfs: deferring update (trigger activated)
Processing triggers for initramfs-tools (0.133ubuntu10) ...
update-initramfs: Generating /boot/initrd.img-5.3.0-29-generic
ERROR: Cannot create report: [Errno 17] File exists:
'/var/crash/initramfs-tools.0.crash'
cryptsetup: ERROR: Couldn't resolve device rpool/ROOT/ubuntu
cryptsetup: WARNING: Couldn't determine root device
Error 24 : Write error : cannot write compressed block
E: mkinitramfs failure cpio 141 lz4 -9 -l 24
update-initramfs: failed for /boot/initrd.img-5.3.0-29-generic with 1.
dpkg: error processing package initramfs-tools (--configure):
installed initramfs-tools package post-installation script subprocess
returned error exit status 1
Errors were encountered while processing:
initramfs-tools
Upgrade complete
The upgrade has completed but there were errors during the upgrade
process.
To continue please press [ENTER]
ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: ubuntu-release-upgrader-core 1:19.10.15.4
ProcVersionSignature: Ubuntu 5.0.0-40.44-generic 5.0.21
Uname: Linux 5.0.0-40-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu8.3
Architecture: amd64
CrashDB: ubuntu
Date: Fri Jan 24 06:02:32 2020
PackageArchitecture: all
ProcEnviron:
TERM=rxvt-unicode-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to eoan on 2020-01-24 (0 days ago)
VarLogDistupgradeAptclonesystemstate.tar.gz:
Error: command ['pkexec', 'cat',
'/var/log/dist-upgrade/apt-clone_system_state.tar.gz'] failed with exit code
127: polkit-agent-helper-1: error response to PolicyKit daemon:
GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: No session for cookie
Error executing command as another user: Not authorized
This incident has been reported.
VarLogDistupgradeXorgFixuplog:
INFO:root:/usr/bin/do-release-upgrade running
INFO:root:No xorg.conf, exiting
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