OK, so my kernel didn't have seccomp support compiled in and systemd just silently fails to set seccomp filters in that case.
Have now reproduced the bug on an armhf disco VM, and verified that the package in proposed, 240-6ubuntu5.8 fixes it. ** Tags removed: verification-needed-disco ** Tags added: verification-done-disco -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1840640 Title: sync_file_range fails in nspawn containers on arm, ppc To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1840640/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs