This bug was fixed in the package zsys - 0.4.7
---------------
zsys (0.4.7) focal; urgency=medium
* Fix ZSys package post-installation failed when boot pool is not imported
(LP: #1886214)
* Change ZSys GC to only keep one month (LP: #1889385)
-- Didier Roche <[email protected]> Wed, 29 Jul 2020 11:32:33 +0200
** Changed in: zsys (Ubuntu Focal)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1886214
Title:
zsys package post-installation failed when boot pool is not imported
Status in zsys package in Ubuntu:
Fix Released
Status in zsys source package in Focal:
Fix Released
Bug description:
** SRU **
[Impact]
For yet unknown reasons, bpool is sometimes not imported. This causes the
upgrade script to fail because then /boot is not a mount point.
The fix just ignores the return status of findmnt to prevent the postinst
script to fail in this situation
[Test Case]
1. Install zsys 0.4.5
2. Unmount /boot/grub/, /boot/efi and /boot
3. Install the update of zsys
[Regression potential]
Low, since now the error is now ignored.
** Original Description **
root@tmp:/home/pgray# zfs list -t snapshot -o name -S creation
no datasets available
root@tmp:/home/pgray# sudo apt-get install zsys
Reading package lists... Done
Building dependency tree
Reading state information... Done
zsys is already the newest version (0.4.6).
0 upgraded, 0 newly installed, 0 to remove and 10 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] y
Requesting to save current system state
Successfully saved as "autozsys_90843v"
Setting up zsys (0.4.6) ...
dpkg: error processing package zsys (--configure):
installed zsys package post-installation script subprocess returned error
exit status 1
Errors were encountered while processing:
zsys
ZSys is adding automatic system snapshot to GRUB menu
ERROR Service took too long to respond. Disconnecting client.
E: Sub-process /usr/bin/dpkg returned an error code (1)
root@tmp:/home/pgray# zpool list
NAME SIZE ALLOC FREE CKPOINT EXPANDSZ FRAG CAP DEDUP HEALTH
ALTROOT
rpool 107G 9.27G 97.7G - - 10% 8% 1.00x ONLINE
-
This was after a previous upgrade failed.
Even after removing all snapshots for that pool, it fails.
root@tmp:/home/pgray# lsb_release -rd
Description: Ubuntu 20.04 LTS
Release: 20.04
root@tmp:/home/pgray# apt-cache policy zsys
zsys:
Installed: 0.4.6
Candidate: 0.4.6
Version table:
*** 0.4.6 500
500 http://us.archive.ubuntu.com/ubuntu focal-updates/main amd64
Packages
100 /var/lib/dpkg/status
0.4.5 500
500 http://us.archive.ubuntu.com/ubuntu focal/main amd64 Packages
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu27.3
Architecture: amd64
CasperMD5CheckResult: skip
DistroRelease: Ubuntu 20.04
InstallationDate: Installed on 2020-06-09 (27 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
Package: zsys 0.4.5
PackageArchitecture: amd64
ProcEnviron:
TERM=screen-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/BOOT/ubuntu_bgiwia@/vmlinuz-5.4.0-37-generic
root=ZFS=rpool/ROOT/ubuntu_bgiwia ro quiet splash
ProcVersionSignature: Ubuntu 5.4.0-37.41-generic 5.4.41
RelatedPackageVersions:
zfs-initramfs 0.8.3-1ubuntu12.1
zfsutils-linux 0.8.3-1ubuntu12.1
Tags: focal
Uname: Linux 5.4.0-37-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip docker kvm libvirt lpadmin lxd plugdev sambashare
sudo
ZFSImportedPools:
NAME SIZE ALLOC FREE CKPOINT EXPANDSZ FRAG CAP DEDUP HEALTH
ALTROOT
rpool 107G 9.66G 97.3G - - 10% 9% 1.00x ONLINE
-
slow 29.1T 606G 28.5T - - 0% 2% 1.00x ONLINE
-
ZFSListcache-bpool:
bpool /boot off on on off on off on
off - none
bpool/BOOT none off on on off on off on
off - none
bpool/BOOT/ubuntu_bgiwia /boot on on on off on
off on off - none
_MarkForUpload: True
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