And additionally (might be a separate bug?) if installing a package then zsys will state that a boot entry is created but the entry does not show in the GRUB menu:
local@local-Standard-PC-i440FX-PIIX-1996:~$ sudo apt install htop Reading package lists... Done Building dependency tree... Done Reading state information... Done Suggested packages: lm-sensors The following NEW packages will be installed: htop 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded. Need to get 109 kB of archives. After this operation, 321 kB of additional disk space will be used. Get:1 http://se.archive.ubuntu.com/ubuntu hirsute/main amd64 htop amd64 3.0.5-6 [109 kB] Fetched 109 kB in 0s (1\u202f256 kB/s) Requesting to save current system state Successfully saved as "autozsys_3hmiag" Selecting previously unselected package htop. (Reading database ... 148893 files and directories currently installed.) Preparing to unpack .../htop_3.0.5-6_amd64.deb ... Unpacking htop (3.0.5-6) ... Setting up htop (3.0.5-6) ... Processing triggers for mailcap (3.68ubuntu1) ... Processing triggers for desktop-file-utils (0.26-1ubuntu1) ... Processing triggers for hicolor-icon-theme (0.17-2) ... Processing triggers for gnome-menus (3.36.0-1ubuntu1) ... Processing triggers for man-db (2.9.4-2) ... ZSys is adding automatic system snapshot to GRUB menu ** Attachment added: "GRUB menu after package install" https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1922933/+attachment/5485240/+files/Screenshot%20from%202021-04-07%2017-56-23.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1922933 Title: Hirsute QA-test: Install with ZFS, bpool not mounted after restart To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1922933/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs