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Timothy St. Clair commented on MESOS-1195: ------------------------------------------ FWIW the logic fails in cgroups.cpp @: if (attached.get().size() > 1) { return Error("The " + subsystem + " subsystem is co-mounted at " + hierarchy + " with other subsytems"); } This logic has no comment, and doesn't really make sense to me, so perhaps a comment is in order why it exists at all > Systemd : cgroups fails on co-mounted subsystem > ----------------------------------------------- > > Key: MESOS-1195 > URL: https://issues.apache.org/jira/browse/MESOS-1195 > Project: Mesos > Issue Type: Bug > Components: containerization > Affects Versions: 0.19.0 > Reporter: Timothy St. Clair > > When attempting to configure mesos to use systemd slices it fails creating > the isolator: > I0407 12:39:28.035354 14916 containerizer.cpp:180] Using isolation: > cgroups/cpu,cgroups/mem > Failed to create a containerizer: Could not create isolator cgroups/cpu: > Failed to create isolator: The cpu subsystem is co-mounted at > /sys/fs/cgroup/cpu with other subsytems > ------ details ------ > /sys/fs/cgroup > total 0 > drwxr-xr-x. 12 root root 280 Mar 18 08:47 . > drwxr-xr-x. 6 root root 0 Mar 18 08:47 .. > drwxr-xr-x. 2 root root 0 Mar 18 08:47 blkio > lrwxrwxrwx. 1 root root 11 Mar 18 08:47 cpu -> cpu,cpuacct > lrwxrwxrwx. 1 root root 11 Mar 18 08:47 cpuacct -> cpu,cpuacct > drwxr-xr-x. 2 root root 0 Mar 18 08:47 cpu,cpuacct > drwxr-xr-x. 2 root root 0 Mar 18 08:47 cpuset > drwxr-xr-x. 2 root root 0 Mar 18 08:47 devices > drwxr-xr-x. 2 root root 0 Mar 18 08:47 freezer > drwxr-xr-x. 2 root root 0 Mar 18 08:47 hugetlb > drwxr-xr-x. 3 root root 0 Apr 3 11:26 memory > drwxr-xr-x. 2 root root 0 Mar 18 08:47 net_cls > drwxr-xr-x. 2 root root 0 Mar 18 08:47 perf_event > drwxr-xr-x. 4 root root 0 Mar 18 08:47 systemd -- This message was sent by Atlassian JIRA (v6.2#6252)