There is an upstream kernel fix for this: https://lists.linuxfoundation.org/pipermail/containers/2017-January/037759.html
Until this is merged and then backported, I appended a workaround whereby runC's init process will only set itself undumpable when it is not running in a user namespace. ** Patch added: "0001-nsexec-make-runC-Docker-work-in-unpriv-LXD.patch" https://bugs.launchpad.net/ubuntu/+source/docker.io/+bug/1655906/+attachment/4805948/+files/0001-nsexec-make-runC-Docker-work-in-unpriv-LXD.patch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1655906 Title: Please upgrade docker.io to latest 1.12.6 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/containerd/+bug/1655906/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
