I found this BUG Post and it is related to a problem I was having with
Ubuntu 22.04 LTS
On systems I did a cold install of Ubuntu 22.04 LTS on everything
including LXD worked !
On 2 other systems which were running Ubuntu 20.04 LTS and on which LXD
worked great.
I upgraded using:
/$ sudo do-release-upgrade -d/
The upgrade was successful ... but ... LXD now had problems.
/I could create Ubuntu LXD containers but they would not "start"./
Finally, found that it was a CGROUP2 bug/problem so I disabled “cgroup2”
use on the HOST
The Work-around Solution was:
add the following string to the |GRUB_CMDLINE_LINUX| line in
|/etc/default/grub| and then run |sudo update-grub|.
|*systemd.unified_cgroup_hierarchy**=**0* |
After a reboot of the Host the LXD Ubuntu Containers started up Okay
again.
I don't know if this is the same bug or different but "cgroup2" was the
cause of the LXD failure to start up containers it had created.
Brian
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https://bugs.launchpad.net/bugs/1948415
Title:
cgroup-tools not compatible with cgroup2
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