Public bug reported: This is actually a upstream kernel warning message and should be filed against linux kernel but since I am running a mainline kernel I didn't want to file directly against the kernel.
May 14 22:21:31 kernel: cgroup: new mount options do not match the existing superblock, will be ignored Looks like systemd is using xattr and /sys/fs/cgroup is not if I am reading this right http://www.spinics.net/lists/cgroups/msg07467.html /var/log# mount | grep cgroup tmpfs on /sys/fs/cgroup type tmpfs (rw,mode=755) cgroup on /sys/fs/cgroup/systemd type cgroup (rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/lib/systemd/systemd-cgroups-agent,name=systemd) cgroup on /sys/fs/cgroup/net_cls,net_prio type cgroup (rw,nosuid,nodev,noexec,relatime,net_cls,net_prio) cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,nosuid,nodev,noexec,relatime,cpuset,clone_children) cgroup on /sys/fs/cgroup/blkio type cgroup (rw,nosuid,nodev,noexec,relatime,blkio) cgroup on /sys/fs/cgroup/devices type cgroup (rw,nosuid,nodev,noexec,relatime,devices) cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,nosuid,nodev,noexec,relatime,hugetlb,release_agent=/run/cgmanager/agents/cgm-release-agent.hugetlb) cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (rw,nosuid,nodev,noexec,relatime,cpu,cpuacct) cgroup on /sys/fs/cgroup/memory type cgroup (rw,nosuid,nodev,noexec,relatime,memory) cgroup on /sys/fs/cgroup/freezer type cgroup (rw,nosuid,nodev,noexec,relatime,freezer) cgroup on /sys/fs/cgroup/perf_event type cgroup (rw,nosuid,nodev,noexec,relatime,perf_event,release_agent=/run/cgmanager/agents/cgm-release-agent.perf_event) ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: cgroup-bin (not installed) Uname: Linux 4.1.0-040100rc3-generic x86_64 ApportVersion: 2.17.2-0ubuntu1 Architecture: amd64 Date: Fri May 15 00:01:42 2015 InstallationDate: Installed on 2015-05-10 (5 days ago) InstallationMedia: Ubuntu-Server 15.04 "Vivid Vervet" - Release amd64 (20150422) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: libcgroup UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: libcgroup (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug vivid ** Attachment added: "uname-a.log" https://bugs.launchpad.net/bugs/1455358/+attachment/4397922/+files/uname-a.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1455358 Title: cgroup: new mount options do not match the existing superblock, will be ignored To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libcgroup/+bug/1455358/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs