[lxc-users] lxc-start: cgroups/cgfs.c: do_setup_cgroup_limits: 2037 No such file or directory - Error setting devices.deny to a for jessie1

[Harald Dunkel]

Hi folks,

my LXCs don't start anymore:

# lxc-start -P /data1/lxc -n jessie1 -F
lxc-start: cgroups/cgfs.c: do_setup_cgroup_limits: 2037 No such file or directory - Error setting devices.deny to a for jessie1
lxc-start: start.c: lxc_spawn: 1236 Failed to setup the devices cgroup for container "jessie1".
lxc-start: start.c: __lxc_start: 1346 Failed to spawn container "jessie1".
lxc-start: tools/lxc_start.c: main: 366 The container failed to start.
lxc-start: tools/lxc_start.c: main: 370 Additional information can be obtained by setting the --logfile and --logpriority options.


All lights are on green:
# lxc-checkconfig
Kernel configuration not found at /proc/config.gz; searching...
Kernel configuration found at /boot/config-4.9.0-0.bpo.2-amd64
--- Namespaces ---
Namespaces: enabled
Utsname namespace: enabled
Ipc namespace: enabled
Pid namespace: enabled
User namespace: enabled
Network namespace: enabled

--- Control groups ---
Cgroup: enabled
Cgroup clone_children flag: enabled
Cgroup device: enabled
Cgroup sched: enabled
Cgroup cpu account: enabled
Cgroup memory controller: enabled
Cgroup cpuset: enabled

--- Misc ---
Veth pair device: enabled
Macvlan: enabled
Vlan: enabled
Bridges: enabled
Advanced netfilter: enabled
CONFIG_NF_NAT_IPV4: enabled
CONFIG_NF_NAT_IPV6: enabled
CONFIG_IP_NF_TARGET_MASQUERADE: enabled
CONFIG_IP6_NF_TARGET_MASQUERADE: enabled
CONFIG_NETFILTER_XT_TARGET_CHECKSUM: enabled
FUSE (for use with lxcfs): enabled

--- Checkpoint/Restore ---
checkpoint restore: enabled
CONFIG_FHANDLE: enabled
CONFIG_EVENTFD: enabled
CONFIG_EPOLL: enabled
CONFIG_UNIX_DIAG: enabled
CONFIG_INET_DIAG: enabled
CONFIG_PACKET_DIAG: enabled
CONFIG_NETLINK_DIAG: enabled
File capabilities: enabled

Note : Before booting a new kernel, you can check its configuration
usage : CONFIG=/path/to/config /usr/bin/lxc-checkconfig


lxc is version 1:2.0.7-2~bpo8+1 backported to Debian 8.


Detailed log is attached, of course. Every helpful comment is highly
appreciated.

Harri
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