[lxc-users] Unable to launch a LXC container

Serge Hallyn serge.hallyn at ubuntu.com
Fri Apr 15 19:33:23 UTC 2016


/usr/share/lxcfs/lxc.mount.hook failed.  Can you please who us its
contents?  What are your versions of lxc and lxcfs?

Quoting Muneeb Ahmad (muneeb.gandapur at gmail.com):
> I updated the kernel for user namespaces and everything is enabled when I
> run "lxc-checkconfig". But I encountered the same error when I tried to run
> a container. Container log shows different errors now:
> 
> Name: ubuntu-test
> 
> Architecture: armv7l
> 
> Created: 2016/04/10 21:41 UTC
> 
> Status: Stopped
> 
> Type: persistent
> 
> Profiles: default
> 
> 
> Log:
> 
> 
>             lxc 20160410214156.082 INFO     lxc_confile -
> confile.c:config_idmap:1498 - read uid map: type u nsid 0 hostid 165536
> range 65536
> 
>             lxc 20160410214156.082 INFO     lxc_confile -
> confile.c:config_idmap:1498 - read uid map: type g nsid 0 hostid 165536
> range 65536
> 
>             lxc 20160410214401.643 INFO     lxc_confile -
> confile.c:config_idmap:1498 - read uid map: type u nsid 0 hostid 165536
> range 65536
> 
>             lxc 20160410214401.643 INFO     lxc_confile -
> confile.c:config_idmap:1498 - read uid map: type g nsid 0 hostid 165536
> range 65536
> 
>             lxc 20160410214401.815 INFO     lxc_start -
> start.c:lxc_check_inherited:251 - closed inherited fd 3
> 
>             lxc 20160410214401.816 INFO     lxc_start -
> start.c:lxc_check_inherited:251 - closed inherited fd 8
> 
>             lxc 20160410214401.833 INFO     lxc_container -
> lxccontainer.c:do_lxcapi_start:797 - Attempting to set proc title to [lxc
> monitor] /var/lib/lxd/containers ubuntu-test
> 
>             lxc 20160410214401.836 INFO     lxc_start -
> start.c:lxc_check_inherited:251 - closed inherited fd 8
> 
>             lxc 20160410214401.837 INFO     lxc_lsm - lsm/lsm.c:lsm_init:48
> - LSM security driver nop
> 
>             lxc 20160410214401.840 INFO     lxc_seccomp -
> seccomp.c:parse_config_v2:342 - processing: .reject_force_umount  # comment
> this to allow umount -f;  not recommended.
> 
>             lxc 20160410214401.840 INFO     lxc_seccomp -
> seccomp.c:parse_config_v2:436 - Adding native rule for reject_force_umount
> action 0
> 
>             lxc 20160410214401.840 INFO     lxc_seccomp -
> seccomp.c:do_resolve_add_rule:216 - Setting seccomp rule to reject force
> umounts
> 
> 
>             lxc 20160410214401.840 INFO     lxc_seccomp -
> seccomp.c:parse_config_v2:342 - processing: .[all].
> 
>             lxc 20160410214401.840 INFO     lxc_seccomp -
> seccomp.c:parse_config_v2:342 - processing: .kexec_load errno 1.
> 
>             lxc 20160410214401.841 INFO     lxc_seccomp -
> seccomp.c:parse_config_v2:436 - Adding native rule for kexec_load action
> 327681
> 
>             lxc 20160410214401.841 INFO     lxc_seccomp -
> seccomp.c:parse_config_v2:342 - processing: .open_by_handle_at errno 1.
> 
>             lxc 20160410214401.841 INFO     lxc_seccomp -
> seccomp.c:parse_config_v2:436 - Adding native rule for open_by_handle_at
> action 327681
> 
>             lxc 20160410214401.841 INFO     lxc_seccomp -
> seccomp.c:parse_config_v2:342 - processing: .init_module errno 1.
> 
>             lxc 20160410214401.841 INFO     lxc_seccomp -
> seccomp.c:parse_config_v2:436 - Adding native rule for init_module action
> 327681
> 
>             lxc 20160410214401.841 INFO     lxc_seccomp -
> seccomp.c:parse_config_v2:342 - processing: .finit_module errno 1.
> 
>             lxc 20160410214401.841 INFO     lxc_seccomp -
> seccomp.c:parse_config_v2:436 - Adding native rule for finit_module action
> 327681
> 
>             lxc 20160410214401.841 INFO     lxc_seccomp -
> seccomp.c:parse_config_v2:342 - processing: .delete_module errno 1.
> 
>             lxc 20160410214401.842 INFO     lxc_seccomp -
> seccomp.c:parse_config_v2:436 - Adding native rule for delete_module action
> 327681
> 
>             lxc 20160410214401.841 INFO     lxc_start -
> start.c:lxc_check_inherited:251 - closed inherited fd 3
> 
>             lxc 20160410214401.842 INFO     lxc_conf -
> conf.c:run_script_argv:367 - Executing script '/usr/bin/lxd callhook
> /var/lib/lxd 2 start' for container 'ubuntu-test', config section 'lxc'
> 
>             lxc 20160410214401.842 INFO     lxc_start -
> start.c:lxc_check_inherited:251 - closed inherited fd 8
> 
>             lxc 20160410214401.858 INFO     lxc_monitor -
> monitor.c:lxc_monitor_sock_name:178 - using monitor sock name
> lxc/d78a9d7e97b4b375//var/lib/lxd/containers
> 
>             lxc 20160410214402.096 DEBUG    lxc_start -
> start.c:setup_signal_fd:289 - sigchild handler set
> 
>             lxc 20160410214402.099 DEBUG    lxc_console -
> console.c:lxc_console_peer_default:473 - no console peer
> 
>             lxc 20160410214402.099 INFO     lxc_start -
> start.c:lxc_init:488 - 'ubuntu-test' is initialized
> 
>             lxc 20160410214402.102 DEBUG    lxc_start -
> start.c:__lxc_start:1302 - Not dropping cap_sys_boot or watching utmp
> 
>             lxc 20160410214402.102 INFO     lxc_start -
> start.c:resolve_clone_flags:999 - Cloning a new user namespace
> 
>             lxc 20160410214402.112 DEBUG    lxc_conf -
> conf.c:instantiate_veth:2613 - instantiated veth 'vethAMHI20/vethM7FMG6',
> index is '7'
> 
>             lxc 20160410214402.113 INFO     lxc_cgroup -
> cgroup.c:cgroup_init:68 - cgroup driver cgroupfs-ng initing for ubuntu-test
> 
>             lxc 20160410214402.129 INFO     lxc_confile -
> confile.c:config_idmap:1498 - read uid map: type u nsid 0 hostid 165536
> range 65536
> 
>             lxc 20160410214402.129 INFO     lxc_confile -
> confile.c:config_idmap:1498 - read uid map: type g nsid 0 hostid 165536
> range 65536
> 
>             lxc 20160410214402.206 DEBUG    lxc_conf -
> conf.c:lxc_assign_network:3047 - move 'eth0' to '1465'
> 
>             lxc 20160410214402.241 NOTICE   lxc_start -
> start.c:do_start:763 - switching to gid/uid 0/0 in new user namespace
> 
>             lxc 20160410214402.243 DEBUG    lxc_conf -
> conf.c:setup_rootfs:1215 - mounted
> '/var/lib/lxd/containers/ubuntu-test/rootfs' on
> '/usr/lib/arm-linux-gnueabihf/lxc'
> 
>             lxc 20160410214402.243 INFO     lxc_conf -
> conf.c:setup_utsname:843 - 'ubuntu-test' hostname has been setup
> 
>             lxc 20160410214402.276 DEBUG    lxc_conf -
> conf.c:setup_hw_addr:2144 - mac address '00:16:3e:f1:c3:05' on 'eth0' has
> been setup
> 
>             lxc 20160410214402.277 DEBUG    lxc_conf -
> conf.c:setup_netdev:2371 - 'eth0' has been setup
> 
>             lxc 20160410214402.277 INFO     lxc_conf -
> conf.c:setup_network:2392 - network has been setup
> 
>             lxc 20160410214402.277 INFO     lxc_conf -
> conf.c:mount_autodev:1072 - Mounting container /dev
> 
>             lxc 20160410214402.278 INFO     lxc_conf -
> conf.c:mount_autodev:1095 - Mounted tmpfs onto
> /usr/lib/arm-linux-gnueabihf/lxc/dev
> 
>             lxc 20160410214402.279 INFO     lxc_conf -
> conf.c:mount_autodev:1113 - Mounted container /dev
> 
>             lxc 20160410214402.280 DEBUG    lxc_conf -
> conf.c:mount_entry:1657 - remounting /proc/sys/fs/binfmt_misc on
> /usr/lib/arm-linux-gnueabihf/lxc/proc/sys/fs/binfmt_misc to respect bind or
> remount options
> 
>             lxc 20160410214402.280 DEBUG    lxc_conf -
> conf.c:mount_entry:1672 - (at remount) flags for /proc/sys/fs/binfmt_misc
> was 4096, required extra flags are 0
> 
>             lxc 20160410214402.280 DEBUG    lxc_conf -
> conf.c:mount_entry:1681 - mountflags already was 20480, skipping remount
> 
>             lxc 20160410214402.280 DEBUG    lxc_conf -
> conf.c:mount_entry:1707 - mounted '/proc/sys/fs/binfmt_misc' on
> '/usr/lib/arm-linux-gnueabihf/lxc/proc/sys/fs/binfmt_misc', type 'none'
> 
>             lxc 20160410214402.281 ERROR    lxc_utils - utils.c:mkdir_p:253
> - Permission denied - failed to create directory
> '/usr/lib/arm-linux-gnueabihf/lxc/sys/firmware/efi/'
> 
>             lxc 20160410214402.281 WARN     lxc_conf -
> conf.c:mount_entry_create_dir_file:1755 - Failed to create mount target
> '/usr/lib/arm-linux-gnueabihf/lxc/sys/firmware/efi/efivars'
> 
>             lxc 20160410214402.281 DEBUG    lxc_conf -
> conf.c:mount_entry:1657 - remounting /sys/fs/fuse/connections on
> /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/fuse/connections to respect bind or
> remount options
> 
>             lxc 20160410214402.281 DEBUG    lxc_conf -
> conf.c:mount_entry:1672 - (at remount) flags for /sys/fs/fuse/connections
> was 4096, required extra flags are 0
> 
>             lxc 20160410214402.281 DEBUG    lxc_conf -
> conf.c:mount_entry:1681 - mountflags already was 20480, skipping remount
> 
>             lxc 20160410214402.281 DEBUG    lxc_conf -
> conf.c:mount_entry:1707 - mounted '/sys/fs/fuse/connections' on
> '/usr/lib/arm-linux-gnueabihf/lxc/sys/fs/fuse/connections', type 'none'
> 
>             lxc 20160410214402.281 ERROR    lxc_utils - utils.c:mkdir_p:253
> - Permission denied - failed to create directory
> '/usr/lib/arm-linux-gnueabihf/lxc/sys/fs/pstore'
> 
>             lxc 20160410214402.281 WARN     lxc_conf -
> conf.c:mount_entry_create_dir_file:1755 - Failed to create mount target
> '/usr/lib/arm-linux-gnueabihf/lxc/sys/fs/pstore'
> 
>             lxc 20160410214402.282 DEBUG    lxc_conf -
> conf.c:mount_entry:1657 - remounting /sys/kernel/debug on
> /usr/lib/arm-linux-gnueabihf/lxc/sys/kernel/debug to respect bind or
> remount options
> 
>             lxc 20160410214402.282 DEBUG    lxc_conf -
> conf.c:mount_entry:1672 - (at remount) flags for /sys/kernel/debug was
> 4096, required extra flags are 0
> 
>             lxc 20160410214402.282 DEBUG    lxc_conf -
> conf.c:mount_entry:1681 - mountflags already was 20480, skipping remount
> 
>             lxc 20160410214402.282 DEBUG    lxc_conf -
> conf.c:mount_entry:1707 - mounted '/sys/kernel/debug' on
> '/usr/lib/arm-linux-gnueabihf/lxc/sys/kernel/debug', type 'none'
> 
>             lxc 20160410214402.282 ERROR    lxc_utils - utils.c:mkdir_p:253
> - Permission denied - failed to create directory
> '/usr/lib/arm-linux-gnueabihf/lxc/sys/kernel/security'
> 
>             lxc 20160410214402.282 WARN     lxc_conf -
> conf.c:mount_entry_create_dir_file:1755 - Failed to create mount target
> '/usr/lib/arm-linux-gnueabihf/lxc/sys/kernel/security'
> 
>             lxc 20160410214402.283 DEBUG    lxc_conf -
> conf.c:mount_entry:1657 - remounting /dev/mqueue on
> /usr/lib/arm-linux-gnueabihf/lxc/dev/mqueue to respect bind or remount
> options
> 
>             lxc 20160410214402.283 DEBUG    lxc_conf -
> conf.c:mount_entry:1672 - (at remount) flags for /dev/mqueue was 4096,
> required extra flags are 0
> 
>             lxc 20160410214402.283 DEBUG    lxc_conf -
> conf.c:mount_entry:1681 - mountflags already was 20480, skipping remount
> 
>             lxc 20160410214402.283 DEBUG    lxc_conf -
> conf.c:mount_entry:1707 - mounted '/dev/mqueue' on
> '/usr/lib/arm-linux-gnueabihf/lxc/dev/mqueue', type 'none'
> 
>             lxc 20160410214402.283 DEBUG    lxc_conf -
> conf.c:mount_entry:1657 - remounting /var/lib/lxd/devlxd on
> /usr/lib/arm-linux-gnueabihf/lxc/dev/lxd to respect bind or remount options
> 
>             lxc 20160410214402.283 DEBUG    lxc_conf -
> conf.c:mount_entry:1672 - (at remount) flags for /var/lib/lxd/devlxd was
> 1024, required extra flags are 0
> 
>             lxc 20160410214402.283 DEBUG    lxc_conf -
> conf.c:mount_entry:1681 - mountflags already was 4096, skipping remount
> 
>             lxc 20160410214402.283 DEBUG    lxc_conf -
> conf.c:mount_entry:1707 - mounted '/var/lib/lxd/devlxd' on
> '/usr/lib/arm-linux-gnueabihf/lxc/dev/lxd', type 'none'
> 
>             lxc 20160410214402.284 DEBUG    lxc_conf -
> conf.c:mount_entry:1657 - remounting /var/lib/lxd/shmounts/ubuntu-test on
> /usr/lib/arm-linux-gnueabihf/lxc/dev/.lxd-mounts to respect bind or remount
> options
> 
>             lxc 20160410214402.284 DEBUG    lxc_conf -
> conf.c:mount_entry:1672 - (at remount) flags for
> /var/lib/lxd/shmounts/ubuntu-test was 1024, required extra flags are 0
> 
>             lxc 20160410214402.284 DEBUG    lxc_conf -
> conf.c:mount_entry:1681 - mountflags already was 4096, skipping remount
> 
>             lxc 20160410214402.284 DEBUG    lxc_conf -
> conf.c:mount_entry:1707 - mounted '/var/lib/lxd/shmounts/ubuntu-test' on
> '/usr/lib/arm-linux-gnueabihf/lxc/dev/.lxd-mounts', type 'none'
> 
>             lxc 20160410214402.284 INFO     lxc_conf -
> conf.c:mount_file_entries:1926 - mount points have been setup
> 
>             lxc 20160410214402.285 INFO     lxc_cgfsng -
> cgfsng.c:do_secondstage_mounts_if_needed:1292 - Remounted
> /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/systemd read-only
> 
>             lxc 20160410214402.285 INFO     lxc_cgfsng -
> cgfsng.c:do_secondstage_mounts_if_needed:1298 - Mounting
> /sys/fs/cgroup/systemd//lxc/ubuntu-test onto
> /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/systemd//lxc/ubuntu-test
> 
>             lxc 20160410214402.285 INFO     lxc_cgfsng -
> cgfsng.c:do_secondstage_mounts_if_needed:1306 - Completed second stage
> cgroup automounts for
> /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/systemd//lxc/ubuntu-test
> 
>             lxc 20160410214402.286 INFO     lxc_cgfsng -
> cgfsng.c:do_secondstage_mounts_if_needed:1292 - Remounted
> /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/freezer read-only
> 
>             lxc 20160410214402.286 INFO     lxc_cgfsng -
> cgfsng.c:do_secondstage_mounts_if_needed:1298 - Mounting
> /sys/fs/cgroup/freezer//lxc/ubuntu-test onto
> /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/freezer//lxc/ubuntu-test
> 
>             lxc 20160410214402.286 INFO     lxc_cgfsng -
> cgfsng.c:do_secondstage_mounts_if_needed:1306 - Completed second stage
> cgroup automounts for
> /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/freezer//lxc/ubuntu-test
> 
>             lxc 20160410214402.287 INFO     lxc_cgfsng -
> cgfsng.c:do_secondstage_mounts_if_needed:1292 - Remounted
> /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/blkio read-only
> 
>             lxc 20160410214402.287 INFO     lxc_cgfsng -
> cgfsng.c:do_secondstage_mounts_if_needed:1298 - Mounting
> /sys/fs/cgroup/blkio//lxc/ubuntu-test onto
> /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/blkio//lxc/ubuntu-test
> 
>             lxc 20160410214402.287 INFO     lxc_cgfsng -
> cgfsng.c:do_secondstage_mounts_if_needed:1306 - Completed second stage
> cgroup automounts for
> /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/blkio//lxc/ubuntu-test
> 
>             lxc 20160410214402.287 INFO     lxc_cgfsng -
> cgfsng.c:do_secondstage_mounts_if_needed:1292 - Remounted
> /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/cpu read-only
> 
>             lxc 20160410214402.287 INFO     lxc_cgfsng -
> cgfsng.c:do_secondstage_mounts_if_needed:1298 - Mounting
> /sys/fs/cgroup/cpu//lxc/ubuntu-test onto
> /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/cpu//lxc/ubuntu-test
> 
>             lxc 20160410214402.288 INFO     lxc_cgfsng -
> cgfsng.c:do_secondstage_mounts_if_needed:1306 - Completed second stage
> cgroup automounts for
> /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/cpu//lxc/ubuntu-test
> 
>             lxc 20160410214402.288 INFO     lxc_cgfsng -
> cgfsng.c:do_secondstage_mounts_if_needed:1292 - Remounted
> /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/net_cls read-only
> 
>             lxc 20160410214402.288 INFO     lxc_cgfsng -
> cgfsng.c:do_secondstage_mounts_if_needed:1298 - Mounting
> /sys/fs/cgroup/net_cls//lxc/ubuntu-test onto
> /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/net_cls//lxc/ubuntu-test
> 
>             lxc 20160410214402.288 INFO     lxc_cgfsng -
> cgfsng.c:do_secondstage_mounts_if_needed:1306 - Completed second stage
> cgroup automounts for
> /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/net_cls//lxc/ubuntu-test
> 
>             lxc 20160410214402.289 INFO     lxc_cgfsng -
> cgfsng.c:do_secondstage_mounts_if_needed:1292 - Remounted
> /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/devices read-only
> 
>             lxc 20160410214402.289 INFO     lxc_cgfsng -
> cgfsng.c:do_secondstage_mounts_if_needed:1298 - Mounting
> /sys/fs/cgroup/devices//lxc/ubuntu-test onto
> /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/devices//lxc/ubuntu-test
> 
>             lxc 20160410214402.289 INFO     lxc_cgfsng -
> cgfsng.c:do_secondstage_mounts_if_needed:1306 - Completed second stage
> cgroup automounts for
> /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/devices//lxc/ubuntu-test
> 
>             lxc 20160410214402.289 INFO     lxc_cgfsng -
> cgfsng.c:do_secondstage_mounts_if_needed:1292 - Remounted
> /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/cpuset read-only
> 
>             lxc 20160410214402.289 INFO     lxc_cgfsng -
> cgfsng.c:do_secondstage_mounts_if_needed:1298 - Mounting
> /sys/fs/cgroup/cpuset//lxc/ubuntu-test onto
> /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/cpuset//lxc/ubuntu-test
> 
>             lxc 20160410214402.289 INFO     lxc_cgfsng -
> cgfsng.c:do_secondstage_mounts_if_needed:1306 - Completed second stage
> cgroup automounts for
> /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/cpuset//lxc/ubuntu-test
> 
>             lxc 20160410214402.289 INFO     lxc_conf -
> conf.c:run_script_argv:367 - Executing script
> '/usr/share/lxcfs/lxc.mount.hook' for container 'ubuntu-test', config
> section 'lxc'
> 
>             lxc 20160410214402.495 ERROR    lxc_conf -
> conf.c:run_buffer:347 - Script exited with status 1
> 
>             lxc 20160410214402.495 ERROR    lxc_conf -
> conf.c:lxc_setup:3751 - failed to run mount hooks for container
> 'ubuntu-test'.
> 
>             lxc 20160410214402.495 ERROR    lxc_start -
> start.c:do_start:819 - failed to setup the container
> 
>             lxc 20160410214402.495 ERROR    lxc_sync -
> sync.c:__sync_wait:52 - An error occurred in another process (expected
> sequence number 2)
> 
>             lxc 20160410214402.495 WARN     lxc_conf -
> conf.c:lxc_delete_network:2908 - failed to remove interface 7 'eth0'
> 
>             lxc 20160410214402.497 ERROR    lxc_start -
> start.c:__lxc_start:1329 - failed to spawn 'ubuntu-test'
> 
>             lxc 20160410214402.606 INFO     lxc_conf -
> conf.c:run_script_argv:367 - Executing script '/usr/bin/lxd callhook
> /var/lib/lxd 2 stop' for container 'ubuntu-test', config section 'lxc'
> 
>             lxc 20160410214402.793 WARN     lxc_commands -
> commands.c:lxc_cmd_rsp_recv:172 - command get_cgroup failed to receive
> response
> 
>             lxc 20160410214402.793 WARN     lxc_commands -
> commands.c:lxc_cmd_rsp_recv:172 - command get_cgroup failed to receive
> response
> 
>             lxc 20160410214402.831 INFO     lxc_confile -
> confile.c:config_idmap:1498 - read uid map: type u nsid 0 hostid 165536
> range 65536
> 
>             lxc 20160410214402.832 INFO     lxc_confile -
> confile.c:config_idmap:1498 - read uid map: type g nsid 0 hostid 165536
> range 65536
> 
>             lxc 20160410214513.301 INFO     lxc_confile -
> confile.c:config_idmap:1498 - read uid map: type u nsid 0 hostid 165536
> range 65536
> 
>             lxc 20160410214513.301 INFO     lxc_confile -
> confile.c:config_idmap:1498 - read uid map: type g nsid 0 hostid 165536
> range 65536
> 
>             lxc 20160410214513.362 INFO     lxc_confile -
> confile.c:config_idmap:1498 - read uid map: type u nsid 0 hostid 165536
> range 65536
> 
>             lxc 20160410214513.363 INFO     lxc_confile -
> confile.c:config_idmap:1498 - read uid map: type g nsid 0 hostid 165536
> range 65536
> 
>             lxc 20160410214826.048 INFO     lxc_confile -
> confile.c:config_idmap:1498 - read uid map: type u nsid 0 hostid 165536
> range 65536
> 
>             lxc 20160410214826.048 INFO     lxc_confile -
> confile.c:config_idmap:1498 - read uid map: type g nsid 0 hostid 165536
> range 65536
> 
>             lxc 20160410214826.117 INFO     lxc_confile -
> confile.c:config_idmap:1498 - read uid map: type u nsid 0 hostid 165536
> range 65536
> 
>             lxc 20160410214826.117 INFO     lxc_confile -
> confile.c:config_idmap:1498 - read uid map: type g nsid 0 hostid 165536
> range 65536
> 
> 
> Please someone help me out.
> regards
> 
> On Sat, Apr 9, 2016 at 9:25 PM, Serge Hallyn <serge.hallyn at ubuntu.com>
> wrote:
> 
> > Ok, fwiw rpi2 should work with Ubuntu as well iiuc.
> >
> > Quoting Muneeb Ahmad (muneeb.gandapur at gmail.com):
> > > I'm using Raspberry pi 2 actually. And I'll take a look at debian and see
> > > if their kernel have the userns_allow_unpriv option.
> > >
> > > On Sat, Apr 9, 2016 at 9:00 AM, Serge Hallyn <serge.hallyn at ubuntu.com>
> > > wrote:
> > >
> > > > Quoting Muneeb Ahmad (muneeb.gandapur at gmail.com):
> > > > > It's not in there.
> > > > > Do you have any Raspberry pi OS recommendations for me? I'm
> > > >
> > > > This is a rpi , not 2 or 3, so ubuntu isn't an option?  But
> > > > debian is, right?  And their kernel should have the userns_allow_unpriv
> > > > or whatever sysctl, which would let you do it.
> > > >
> > > > > interested in running lxc containers and openstack(nova only)?
> > > > >
> > > > > Thanks. On Sat, Apr 09, 2016 at 2:51 AM, Serge Hallyn <
> > > > > serge.hallyn at ubuntu.com [serge.hallyn at ubuntu.com] > wrote:
> > > > > Quoting Muneeb Ahmad (muneeb.gandapur at gmail.com):
> > > > > > Thanks for the answer. Is there a work around for this? Or should I
> > > > > > just go for some other OS?
> > > > >
> > > > > Sorry I don't know the recommended way to build/use a custom kernel
> > > > > in mint.
> > > > >
> > > > > Actually, check /proc/sys/kernel/*user*. Is there something like
> > > > > unpriv_userns_allow? You may be able to just echo 1 > that.
> > > > >
> > > > > -serge
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