[lxc-users] CGManager error on debian

[Joshua Schaeffer]

I'm getting an error when trying to start an unprivileged container on
Debian Jessie. LXC version 1.1.2. I installed CGManager using the
instructions here: https://linuxcontainers.org/cgmanager/getting-started/.
There weren't any problems installing. Creating the container succeeded
without issue.

jschaeffer at prvlxc01:~$ lxc-start -n append01
Connection from private client
Disconnected from private client
Connection from private client
Disconnected from private client
Connection from private client
Disconnected from private client
Connection from private client
Disconnected from private client
Connection from private client
Disconnected from private client
Connection from private client
Connection from private client
Create: Client fd is: 7 (pid=3994, uid=1000, gid=1000)
cgmanager:do_create_main: pid 3994 (uid 1000 gid 1000) may not create under
/run/cgmanager/fs/blkio
cgmanager:do_create_main: pid 3994 (uid 1000 gid 1000) may not create under
/run/cgmanager/fs/cpu
cgmanager:do_create_main: pid 3994 (uid 1000 gid 1000) may not create under
/run/cgmanager/fs/cpuset
cgmanager:do_create_main: pid 3994 (uid 1000 gid 1000) may not create under
/run/cgmanager/fs/devices
cgmanager:do_create_main: pid 3994 (uid 1000 gid 1000) may not create under
/run/cgmanager/fs/freezer
cgmanager:do_create_main: pid 3994 (uid 1000 gid 1000) may not create under
/run/cgmanager/fs/memory
cgmanager:do_create_main: pid 3994 (uid 1000 gid 1000) may not create under
/run/cgmanager/fs/net_cls
cgmanager:do_create_main: pid 3994 (uid 1000 gid 1000) may not create under
/run/cgmanager/fs/perf_event
cgmanager:do_create_main: pid 3994 (uid 1000 gid 1000) may not create under
/run/cgmanager/fs/none,name=systemd/system.slice/ssh.service
cgmanager_create: returning 0; existed is -1
Disconnected from private client
Connection from private client
MovePid: Client fd is: 7 (pid=3994, uid=1000, gid=1000)
cgmanager: Invalid path /run/cgmanager/fs/perf_event/lxc/append01
cgmanager:per_ctrl_move_pid_main: Invalid path
/run/cgmanager/fs/perf_event/lxc/append01
Disconnected from private client
Connection from private client
Disconnected from private client
Remove: Client fd is: 7 (pid=3994, uid=1000, gid=1000)
Disconnected from private client
lxc-start: lxc_start.c: main: 344 The container failed to start.
lxc-start: lxc_start.c: main: 346 To get more details, run the container in
foreground mode.
lxc-start: lxc_start.c: main: 348 Additional information can be obtained by
setting the --logfile and --logpriority options.


jschaeffer at prvlxc01:~$ cat ~/.local/share/lxc/
append01/         c1/               c3/               lxc-monitord.log
jschaeffer at prvlxc01:~$ cat ~/.local/share/lxc/append01/append01.log
      *lxc-start 1452726692.572 ERROR    lxc_cgmanager -
cgmanager.c:lxc_cgmanager_enter:694 - call to cgmanager_move_pid_sync
failed: invalid request*
      lxc-start 1452726692.657 ERROR    lxc_start -
start.c:__lxc_start:1164 - failed to spawn 'append01'
      lxc-start 1452726697.662 ERROR    lxc_start_ui - lxc_start.c:main:344
- The container failed to start.
      lxc-start 1452726697.662 ERROR    lxc_start_ui - lxc_start.c:main:346
- To get more details, run the container in foreground mode.
      lxc-start 1452726697.663 ERROR    lxc_start_ui - lxc_start.c:main:348
- Additional information can be obtained by setting the --logfile and
--logpriority options.


I've done a little searching on "call to cgmanager_move_pid_sync failed"
but couldn't find anything that useful.
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