I've just tried with an upstream 4.5.0-rc4 kernel (which does boot on my
laptop).
Unfortunately, it doesn't work yet.
linux-image linux-image-4.5.0-040500rc4-generic
systemd 229-1ubuntu2
lxc 1.1.5-0ubuntu0.15.10.3
starting a container gives: lxc-start 1455712091.086 DEBUG lxc_console
- console.c:lxc_console_peer_default:536 - no console peer
lxc-start 1455712091.092 INFO lxc_monitor -
monitor.c:lxc_monitor_sock_name:178 - using monitor sock name
lxc/1139bd77ce7a3a6c//home/bas/.local/share/lxc
lxc-start 1455712091.132 INFO lxc_start - start.c:lxc_init:474 -
'aansluitform-deploy' is initialized
lxc-start 1455712091.132 DEBUG lxc_start - start.c:__lxc_start:1186 -
Not dropping cap_sys_boot or watching utmp
lxc-start 1455712091.133 INFO lxc_start -
start.c:resolve_clone_flags:883 - Cloning a new user namespace
lxc-start 1455712091.133 INFO lxc_cgroup - cgroup.c:cgroup_init:65 -
cgroup driver cgmanager initing for aansluitform-deploy
lxc-start 1455712091.138 ERROR lxc_cgmanager -
cgmanager.c:lxc_cgmanager_enter:698 - call to cgmanager_move_pid_sync failed:
invalid request
lxc-start 1455712091.138 ERROR lxc_start - start.c:__lxc_start:1213 -
failed to spawn 'aansluitform-deploy'
lxc-start 1455712091.163 WARN lxc_commands -
commands.c:lxc_cmd_rsp_recv:172 - command get_init_pid failed to receive
response
lxc-start 1455712091.164 WARN lxc_cgmanager - cgmanager.c:cgm_get:994
- do_cgm_get exited with error
lxc-start 1455712096.169 ERROR lxc_start_ui - lxc_start.c:main:344 -
The container failed to start.
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https://bugs.launchpad.net/bugs/1533833
Title:
unprivileged lxc containers won't start, need to put sessions into
"pids" cgroup controller
Status in lxc package in Ubuntu:
Fix Released
Status in systemd package in Ubuntu:
Fix Released
Status in lxc source package in Wily:
New
Status in systemd source package in Wily:
Fix Committed
Bug description:
I'n trying to get (unpriviliged) lxc containers to run on wily. I
create a container like this:
> lxc-create -t download -n u1 -- -d ubuntu -r wily -a amd64
that works. However, starting the container fails:
> lxc-start -n u1
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.
Setting the log priority to debug shows the following (relevant part
only):
lxc-start 1452717530.484 INFO lxc_start - start.c:lxc_init:474 -
'u1' is initialized
lxc-start 1452717530.484 DEBUG lxc_start - start.c:__lxc_start:1186
- Not dropping cap_sys_boot or watching utmp
lxc-start 1452717530.484 INFO lxc_start -
start.c:resolve_clone_flags:883 - Cloning a new user namespace
lxc-start 1452717530.484 INFO lxc_cgroup - cgroup.c:cgroup_init:65
- cgroup driver cgmanager initing for u1
lxc-start 1452717530.489 ERROR lxc_cgmanager -
cgmanager.c:lxc_cgmanager_enter:698 - call to cgmanager_move_pid_sync failed:
invalid request
lxc-start: cgmanager.c: lxc_cgmanager_enter: 698 call to
cgmanager_move_pid_sync failed: invalid request
lxc-start 1452717530.490 ERROR lxc_start - start.c:__lxc_start:1213
- failed to spawn 'u1'
lxc-start: start.c: __lxc_start: 1213 failed to spawn 'u1'
lxc-start 1452717530.513 ERROR lxc_start_ui - lxc_start.c:main:344 -
The container failed to start.
lxc-start: lxc_start.c: main: 344 The container failed to start.
lxc-start 1452717530.513 ERROR lxc_start_ui - lxc_start.c:main:348 -
Additional information can be obtained by setting the --logfile and
--logpriority options.
lxc-start: lxc_start.c: main: 348 Additional information can be obtained by
setting the --logfile and --logpriority options.
lxc-start 1452717530.484 INFO lxc_start - start.c:lxc_init:474 -
'u1' is initialized
lxc-start 1452717530.484 DEBUG lxc_start - start.c:__lxc_start:1186
- Not dropping cap_sys_boot or watching utmp
lxc-start 1452717530.484 INFO lxc_start -
start.c:resolve_clone_flags:883 - Cloning a new user namespace
lxc-start 1452717530.484 INFO lxc_cgroup - cgroup.c:cgroup_init:65
- cgroup driver cgmanager initing for u1
lxc-start 1452717530.489 ERROR lxc_cgmanager -
cgmanager.c:lxc_cgmanager_enter:698 - call to cgmanager_move_pid_sync failed:
invalid request
lxc-start: cgmanager.c: lxc_cgmanager_enter: 698 call to
cgmanager_move_pid_sync failed: invalid request
lxc-start 1452717530.490 ERROR lxc_start - start.c:__lxc_start:1213
- failed to spawn 'u1'
lxc-start: start.c: __lxc_start: 1213 failed to spawn 'u1'
lxc-start 1452717530.513 ERROR lxc_start_ui - lxc_start.c:main:344 -
The container failed to start.
lxc-start: lxc_start.c: main: 344 The container failed to start.
lxc-start 1452717530.513 ERROR lxc_start_ui - lxc_start.c:main:348 -
Additional information can be obtained by setting the --logfile and
--logpriority options.
lxc-start: lxc_start.c: main: 348 Additional information can be obtained by
setting the --logfile and --logpriority options.
So it seems a cgmanager issue. Syslog shows:
Jan 13 21:37:58 miranda cgmanager[22010]: cgmanager:do_create_main: pid 25615
(uid 1000 gid 1000) may not create under /run/cgmanager/fs/pids
Jan 13 21:37:58 miranda cgmanager[22010]: cgmanager: Invalid path
/run/cgmanager/fs/pids/lxc/u1
Jan 13 21:37:58 miranda cgmanager[22010]: cgmanager:per_ctrl_move_pid_main:
Invalid path /run/cgmanager/fs/pids/lxc/u1
Jan 13 21:38:50 miranda cgmanager[22010]: cgmanager:do_create_main: pid 25632
(uid 1000 gid 1000) may not create under /run/cgmanager/fs/pids
Jan 13 21:38:50 miranda cgmanager[22010]: cgmanager: Invalid path
/run/cgmanager/fs/pids/lxc/u1
Jan 13 21:38:50 miranda cgmanager[22010]: cgmanager:per_ctrl_move_pid_main:
Invalid path /run/cgmanager/fs/pids/lxc/u1
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