Apparently this will never get fixed upstream: From https://github.com/systemd/systemd/issues/5859#issuecomment-553377937
poettering: "So we dropped the automatic btrfs loopback file support in machined a while back. Let's close this hence." ** Bug watch added: github.com/systemd/systemd/issues #5859 https://github.com/systemd/systemd/issues/5859 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1510511 Title: machinectl pull-raw fails: No space left on device To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1510511/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs