Hello Christian, or anyone else affected,

Accepted systemd into artful-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/systemd/234-2ubuntu12.3 in a few
hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested and change the tag from
verification-needed-artful to verification-done-artful. If it does not
fix the bug for you, please add a comment stating that, and change the
tag to verification-failed-artful. In either case, without details of
your testing we will not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in

** Changed in: systemd (Ubuntu Artful)
       Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-artful

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Touch seeded packages, which is subscribed to systemd in Ubuntu.

  systemd: handle undelegated cgroup2 hierarchy

Status in systemd package in Ubuntu:
  Fix Released
Status in systemd source package in Xenial:
Status in systemd source package in Zesty:
  Won't Fix
Status in systemd source package in Artful:
  Fix Committed
Status in systemd source package in Bionic:
  Fix Released

Bug description:

   * When a container is presented with a unified cgroup hierarchy,
  which is not properly delegated, systemd should not attempt (and fail)
  to use. This improves compatibility of xenial containers running on
  unified cgroup hierarchy hosts.

  [Test Case]

   * Xenial containers should boot, with non-writable unified cgroup
  hierarchy hosts.

  [Regression Potential]

   * unified cgroup hierarchy is not in use by default on xenial hosts,
  thus this is forward compatibility improvment with e.g. bionic hosts
  running xenial containers.

  [Other Info]
   * Original bug report

  Hey everyone,

  Current systemd versions all fail when the unified cgroup hierarchy is
  not-writable. This is especially problematic in containers where the
  systemd administrator might decide to not delegate the unified
  hierarchy or when running with a liblxc driver that doesn't yet know
  how to handle the unified cgroup hierarchy. I've pushed patches to
  systemd upstream that let systemd ingnore the non-delegated unified
  hierarchy. The relevant commits are:


  These patches will be in 236 but should be backported from xenial


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