[lxc-users] memory.memsw.limit_in_bytes not working on ubuntu 14.04?
Flo
florian.engelmann at gmail.com
Tue Feb 4 20:35:02 UTC 2014
Hi,
I just created a container with:
lxc-create -n test1 -t ubuntu
Checking cache download in /var/cache/lxc/trusty/rootfs-amd64 ...
Copy /var/cache/lxc/trusty/rootfs-amd64 to /var/lib/lxc/test1/rootfs ...
Copying rootfs to /var/lib/lxc/test1/rootfs ...
Generating locales...
en_US.UTF-8... up-to-date
Generation complete.
Creating SSH2 RSA key; this may take some time ...
Creating SSH2 DSA key; this may take some time ...
Creating SSH2 ECDSA key; this may take some time ...
invoke-rc.d: policy-rc.d denied execution of start.
Current default time zone: 'Europe/Zurich'
Local time is now: Tue Feb 4 21:28:10 CET 2014.
Universal Time is now: Tue Feb 4 20:28:10 UTC 2014.
##
# The default user is 'ubuntu' with password 'ubuntu'!
# Use the 'sudo' command to run tasks as root in the container.
##
added some restrictions to the config
cat <<EOF >> /var/lib/lxc/test1/config
lxc.cgroup.cpu.shares = 256
# restrict IO weight to 1/2 (range 10-1000)
lxc.cgroup.blkio.weight = 500
# limit memory
lxc.cgroup.memory.limit_in_bytes = 4G
lxc.cgroup.memory.soft_limit_in_bytes = 3G
# memory + swap limit (6G - 4G = 2G SWAP)
lxc.cgroup.memory.memsw.limit_in_bytes = 6G
# default 60
lxc.cgroup.memory.swappiness = 10
# untestet
lxc.cgroup.memory.oom_control = 0
EOF
and tried to start the container with:
lxc-start -d -n test1 -l debug -o /tmp/222
cat /tmp/222
lxc-start 1391545773.545 INFO lxc_start_ui - using rcfile
/var/lib/lxc/test1/config
lxc-start 1391545773.546 WARN lxc_log - lxc_log_init called with
log already initialized
lxc-start 1391545773.551 INFO lxc_lsm - LSM security driver
AppArmor
lxc-start 1391545773.552 DEBUG lxc_conf - allocated pty
'/dev/pts/17' (5/6)
lxc-start 1391545773.552 DEBUG lxc_conf - allocated pty
'/dev/pts/18' (7/8)
lxc-start 1391545773.552 DEBUG lxc_conf - allocated pty
'/dev/pts/19' (9/10)
lxc-start 1391545773.552 DEBUG lxc_conf - allocated pty
'/dev/pts/20' (11/12)
lxc-start 1391545773.552 INFO lxc_conf - tty's configured
lxc-start 1391545773.552 DEBUG lxc_start - sigchild handler set
lxc-start 1391545773.552 DEBUG lxc_console - no console peer
lxc-start 1391545773.552 INFO lxc_start - 'test1' is initialized
lxc-start 1391545773.554 INFO lxc_monitor - using monitor sock
name lxc/ad055575fe28ddd5//var/lib/lxc
lxc-start 1391545773.559 DEBUG lxc_start - Not dropping
cap_sys_boot or watching utmp
lxc-start 1391545773.568 ERROR lxc_conf - failed to attach
'vethUNUBR9' to the bridge 'lxcbr0' : No such device
lxc-start 1391545773.591 ERROR lxc_conf - failed to create netdev
lxc-start 1391545773.591 ERROR lxc_start - failed to create the
network
lxc-start 1391545773.591 ERROR lxc_start - failed to spawn 'test1'
lxc-start 1391545773.591 ERROR lxc_commands - command get_cgroup
failed to receive response
lxc-start 1391545821.393 INFO lxc_start_ui - using rcfile
/var/lib/lxc/test1/config
lxc-start 1391545821.394 WARN lxc_log - lxc_log_init called with
log already initialized
lxc-start 1391545821.399 INFO lxc_lsm - LSM security driver
AppArmor
lxc-start 1391545821.400 DEBUG lxc_conf - allocated pty
'/dev/pts/17' (5/6)
lxc-start 1391545821.400 DEBUG lxc_conf - allocated pty
'/dev/pts/18' (7/8)
lxc-start 1391545821.400 DEBUG lxc_conf - allocated pty
'/dev/pts/19' (9/10)
lxc-start 1391545821.400 DEBUG lxc_conf - allocated pty
'/dev/pts/20' (11/12)
lxc-start 1391545821.400 INFO lxc_conf - tty's configured
lxc-start 1391545821.400 DEBUG lxc_start - sigchild handler set
lxc-start 1391545821.400 DEBUG lxc_console - no console peer
lxc-start 1391545821.400 INFO lxc_start - 'test1' is initialized
lxc-start 1391545821.403 INFO lxc_monitor - using monitor sock
name lxc/ad055575fe28ddd5//var/lib/lxc
lxc-start 1391545821.419 DEBUG lxc_start - Not dropping
cap_sys_boot or watching utmp
lxc-start 1391545821.424 DEBUG lxc_conf - instanciated veth
'vethCXBLUH/vethRFOV22', index is '72'
lxc-start 1391545821.428 DEBUG lxc_cgroup - cgroup 'devices.deny'
set to 'a'
lxc-start 1391545821.428 DEBUG lxc_cgroup - cgroup 'devices.allow'
set to 'c *:* m'
lxc-start 1391545821.428 DEBUG lxc_cgroup - cgroup 'devices.allow'
set to 'b *:* m'
lxc-start 1391545821.428 DEBUG lxc_cgroup - cgroup 'devices.allow'
set to 'c 1:3 rwm'
lxc-start 1391545821.428 DEBUG lxc_cgroup - cgroup 'devices.allow'
set to 'c 1:5 rwm'
lxc-start 1391545821.428 DEBUG lxc_cgroup - cgroup 'devices.allow'
set to 'c 5:0 rwm'
lxc-start 1391545821.428 DEBUG lxc_cgroup - cgroup 'devices.allow'
set to 'c 5:1 rwm'
lxc-start 1391545821.428 DEBUG lxc_cgroup - cgroup 'devices.allow'
set to 'c 1:8 rwm'
lxc-start 1391545821.428 DEBUG lxc_cgroup - cgroup 'devices.allow'
set to 'c 1:9 rwm'
lxc-start 1391545821.428 DEBUG lxc_cgroup - cgroup 'devices.allow'
set to 'c 5:2 rwm'
lxc-start 1391545821.428 DEBUG lxc_cgroup - cgroup 'devices.allow'
set to 'c 136:* rwm'
lxc-start 1391545821.428 DEBUG lxc_cgroup - cgroup 'devices.allow'
set to 'c 254:0 rm'
lxc-start 1391545821.428 DEBUG lxc_cgroup - cgroup 'devices.allow'
set to 'c 10:229 rwm'
lxc-start 1391545821.428 DEBUG lxc_cgroup - cgroup 'devices.allow'
set to 'c 10:200 rwm'
lxc-start 1391545821.428 DEBUG lxc_cgroup - cgroup 'devices.allow'
set to 'c 1:7 rwm'
lxc-start 1391545821.428 DEBUG lxc_cgroup - cgroup 'devices.allow'
set to 'c 10:228 rwm'
lxc-start 1391545821.428 DEBUG lxc_cgroup - cgroup 'devices.allow'
set to 'c 10:232 rwm'
lxc-start 1391545821.428 DEBUG lxc_cgroup - cgroup 'cpu.shares'
set to '256'
lxc-start 1391545821.428 DEBUG lxc_cgroup - cgroup 'blkio.weight'
set to '500'
lxc-start 1391545821.428 DEBUG lxc_cgroup - cgroup
'memory.limit_in_bytes' set to '4G'
lxc-start 1391545821.428 DEBUG lxc_cgroup - cgroup
'memory.soft_limit_in_bytes' set to '3G'
lxc-start 1391545821.428 ERROR lxc_cgroup - Error setting
memory.memsw.limit_in_bytes to 6G for test1
lxc-start 1391545821.428 ERROR lxc_start - failed to setup the
cgroup limits for 'test1'
lxc-start 1391545821.523 ERROR lxc_start - failed to spawn 'test1'
lxc-start 1391545821.523 ERROR lxc_commands - command get_cgroup
failed to receive response
Is cgroup memory.memsw.limit_in_bytes broken in ubuntu 14.04 right now?
Regards,
Flo
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