Hi I have the exact same problem after yesterdays update.
And I suspect it is bug https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1413927 or at least closely related. root@andel2:~# cat /proc/self/cgroup 10:devices:/system.slice/ssh.service 9:perf_event:/system.slice/ssh.service 8:cpuset:/system.slice/ssh.service 7:cpu,cpuacct:/system.slice/ssh.service 6:memory:/system.slice/ssh.service 5:freezer:/system.slice/ssh.service 4:net_cls,net_prio:/system.slice/ssh.service 3:hugetlb:/system.slice/ssh.service 2:blkio:/system.slice/ssh.service 1:name=systemd:/system.slice/ssh.service root@andel2:~# service cgmanager status ● cgmanager.service - Cgroup management daemon Loaded: loaded (/lib/systemd/system/cgmanager.service; disabled; vendor preset: enabled) Active: active (running) since Sat 2015-05-23 15:48:07 CEST; 30min ago Main PID: 2994 (cgmanager) Memory: 296.0K CGroup: /system.slice/cgmanager.service ‣ 2994 /sbin/cgmanager -m name=systemd May 23 15:48:15 andel2 cgmanager[2994]: cgmanager: Invalid path /run/cgmanager/fs/hugetlb/system.slice/ssh.service/lxc/s0_nginx May 23 15:48:15 andel2 cgmanager[2994]: cgmanager:per_ctrl_move_pid_main: Invalid path /run/cgmanager/fs/hugetlb/system.slice/ssh.servi...s0_nginx May 23 15:48:15 andel2 cgmanager[2994]: cgmanager: Invalid path /run/cgmanager/fs/memory/system.slice/ssh.service/lxc/s0_nginx May 23 15:48:15 andel2 cgmanager[2994]: cgmanager:per_ctrl_move_pid_main: Invalid path /run/cgmanager/fs/memory/system.slice/ssh.servic...s0_nginx May 23 15:48:15 andel2 cgmanager[2994]: cgmanager: Invalid path /run/cgmanager/fs/net_cls/system.slice/ssh.service/lxc/s0_nginx May 23 15:48:15 andel2 cgmanager[2994]: cgmanager:per_ctrl_move_pid_main: Invalid path /run/cgmanager/fs/net_cls/system.slice/ssh.servi...s0_nginx May 23 15:48:15 andel2 cgmanager[2994]: cgmanager: Invalid path /run/cgmanager/fs/perf_event/system.slice/ssh.service/lxc/s0_nginx May 23 15:48:15 andel2 cgmanager[2994]: cgmanager:per_ctrl_move_pid_main: Invalid path /run/cgmanager/fs/perf_event/system.slice/ssh.se...s0_nginx May 23 15:48:15 andel2 cgmanager[2994]: cgmanager: Invalid path /run/cgmanager/fs/none,name=systemd/system.slice/ssh.service/lxc/s0_nginx May 23 15:48:15 andel2 cgmanager[2994]: cgmanager:per_ctrl_move_pid_main: Invalid path /run/cgmanager/fs/none,name=systemd/system.slice...s0_nginx Hint: Some lines were ellipsized, use -l to show in full. The unprivileged containers could be stopped but trying to stop a running privileged container hangs and blocked the host completely. Even a reboot is not possible, the host answers only to ping requests, ssh returns with "Write failed: Broken pipe". And since the machine is geographically distant (and it's weekend as usual when such stuff happens) I cannot provide the results generated from the commands below. But probably I am going to run into the same error on other machines and will provide the results. David -----"lxc-users" <lxc-users-boun...@lists.linuxcontainers.org> wrote: ----- To: LXC users mailing-list <lxc-users@lists.linuxcontainers.org> From: Serge Hallyn Sent by: "lxc-users" Date: 05/22/2015 17:44 Subject: Re: [lxc-users] lxc-ls -f problem Quoting Dave Birch (dave.bi...@gmail.com): > Dave Birch <dave.birch@...> writes: > > Further update - just discovered that lxc-start now hangs for all > containers, even newly created ones using only the standard download > template on lxc-create. > > I'm pretty much dead in the water until I can work out how to resolve > this. Can you attach the results of sudo strace -f -ostrace.out -- lxc-ls -f sudo strace -f -ostrace-start.out -- lxc-start -n <container> sudo lxc-start -n <container> -l trace -o debug.out and show your exact steps, if you can remember them or have them in history, when you were originally creating these containers? _______________________________________________ lxc-users mailing list lxc-users@lists.linuxcontainers.org http://lists.linuxcontainers.org/listinfo/lxc-users
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