[lxc-users] using cgroups

Rob redgerhoo at yahoo.com.au
Thu Jun 30 01:24:25 UTC 2016


On 30/06/2016 10:36 AM, Serge E. Hallyn wrote:
> Quoting Rob Edgerton (redgerhoo at yahoo.com.au):
>>        lxc-start 20160628155820.614 ERROR    lxc_cgfsng - cgfsng.c:cgfsng_setup_limits:1662 - No such file or directory - Error setting cpuset.cpus to 1-3 for trusty_unp_ibvpn
> ENOENT - that's unexpected...
>
>>        lxc-start 20160628155820.615 ERROR    lxc_start - start.c:lxc_spawn:1180 - failed to setup the cgroup limits for @virt-host:~$cgm --version
>> 0.29
> Can you show 'dpkg -l | grep cgmanager' ?
>
> as well as cat /etc/*release
>
> Hi, For /proc/self/cgroup and /proc/self/mountinfo, we actually need 
> to see the contents. Can you show 'cat /proc/self/cgroup' and 'cat 
> /proc/self/mountinfo'? -serge 
> _______________________________________________ lxc-users mailing list 
> lxc-users at lists.linuxcontainers.org 
> http://lists.linuxcontainers.org/listinfo/lxc-users 
hi Serge,
here is the follow up info (note that I cut the msg above in order to 
reduce size)

$ dpkg -l | grep cgmanager
ii  cgmanager 0.39-2ubuntu5                              amd64        
Central cgroup manager daemon
ii  libcgmanager0:amd64 0.39-2ubuntu5                              
amd64        Central cgroup manager daemon (client library)

$ cat /etc/*release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=16.04
DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="Ubuntu 16.04 LTS"
NAME="Ubuntu"
VERSION="16.04 LTS (Xenial Xerus)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 16.04 LTS"
VERSION_ID="16.04"
HOME_URL="http://www.ubuntu.com/"
SUPPORT_URL="http://help.ubuntu.com/"
BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/"
UBUNTU_CODENAME=xenial


$ cat /proc/self/cgroup
11:blkio:/user.slice
10:hugetlb:/
9:freezer:/user/redger/1
8:pids:/user.slice/user-1000.slice
7:perf_event:/
6:cpu,cpuacct:/user.slice
5:net_cls,net_prio:/
4:devices:/user.slice
3:memory:/user/redger/1
2:cpuset:/
1:name=systemd:/user.slice/user-1000.slice/session-1.scope

$ cat /proc/self/mountinfo
19 25 0:18 / /sys rw,nosuid,nodev,noexec,relatime shared:7 - sysfs sysfs rw
20 25 0:4 / /proc rw,nosuid,nodev,noexec,relatime shared:12 - proc proc rw
21 25 0:6 / /dev rw,nosuid,relatime shared:2 - devtmpfs udev 
rw,size=8026104k,nr_inodes=2006526,mode=755
22 21 0:14 / /dev/pts rw,nosuid,noexec,relatime shared:3 - devpts devpts 
rw,gid=5,mode=620,ptmxmode=000
23 25 0:19 / /run rw,nosuid,noexec,relatime shared:5 - tmpfs tmpfs 
rw,size=1615856k,mode=755
25 0 8:41 / / rw,relatime shared:1 - ext4 /dev/sdc9 
rw,errors=remount-ro,data=ordered
26 19 0:12 / /sys/kernel/security rw,nosuid,nodev,noexec,relatime 
shared:8 - securityfs securityfs rw
27 21 0:21 / /dev/shm rw,nosuid,nodev shared:4 - tmpfs tmpfs rw
28 23 0:22 / /run/lock rw,nosuid,nodev,noexec,relatime shared:6 - tmpfs 
tmpfs rw,size=5120k
29 19 0:23 / /sys/fs/cgroup rw shared:9 - tmpfs tmpfs rw,mode=755
30 29 0:24 / /sys/fs/cgroup/systemd rw,nosuid,nodev,noexec,relatime 
shared:10 - cgroup cgroup 
rw,xattr,release_agent=/lib/systemd/systemd-cgroups-agent,name=systemd
31 19 0:25 / /sys/fs/pstore rw,nosuid,nodev,noexec,relatime shared:11 - 
pstore pstore rw
32 29 0:26 / /sys/fs/cgroup/cpuset rw,nosuid,nodev,noexec,relatime 
shared:13 - cgroup cgroup rw,cpuset,clone_children
33 29 0:27 / /sys/fs/cgroup/memory rw,nosuid,nodev,noexec,relatime 
shared:14 - cgroup cgroup rw,memory
34 29 0:28 / /sys/fs/cgroup/devices rw,nosuid,nodev,noexec,relatime 
shared:15 - cgroup cgroup rw,devices
35 29 0:29 / /sys/fs/cgroup/net_cls,net_prio 
rw,nosuid,nodev,noexec,relatime shared:16 - cgroup cgroup 
rw,net_cls,net_prio
36 29 0:30 / /sys/fs/cgroup/cpu,cpuacct rw,nosuid,nodev,noexec,relatime 
shared:17 - cgroup cgroup rw,cpu,cpuacct
37 29 0:31 / /sys/fs/cgroup/perf_event rw,nosuid,nodev,noexec,relatime 
shared:18 - cgroup cgroup 
rw,perf_event,release_agent=/run/cgmanager/agents/cgm-release-agent.perf_event
38 29 0:32 / /sys/fs/cgroup/pids rw,nosuid,nodev,noexec,relatime 
shared:19 - cgroup cgroup 
rw,pids,release_agent=/run/cgmanager/agents/cgm-release-agent.pids
39 29 0:33 / /sys/fs/cgroup/freezer rw,nosuid,nodev,noexec,relatime 
shared:20 - cgroup cgroup rw,freezer
40 29 0:34 / /sys/fs/cgroup/hugetlb rw,nosuid,nodev,noexec,relatime 
shared:21 - cgroup cgroup 
rw,hugetlb,release_agent=/run/cgmanager/agents/cgm-release-agent.hugetlb
41 29 0:35 / /sys/fs/cgroup/blkio rw,nosuid,nodev,noexec,relatime 
shared:22 - cgroup cgroup rw,blkio
42 20 0:36 / /proc/sys/fs/binfmt_misc rw,relatime shared:23 - autofs 
systemd-1 rw,fd=28,pgrp=1,timeout=0,minproto=5,maxproto=5,direct
43 19 0:7 / /sys/kernel/debug rw,relatime shared:24 - debugfs debugfs rw
44 21 0:37 / /dev/hugepages rw,relatime shared:25 - hugetlbfs hugetlbfs rw
45 23 0:38 / /run/rpc_pipefs rw,relatime shared:26 - rpc_pipefs sunrpc rw
46 21 0:17 / /dev/mqueue rw,relatime shared:27 - mqueue mqueue rw
47 20 0:39 / /proc/fs/nfsd rw,relatime shared:28 - nfsd nfsd rw
48 19 0:40 / /sys/fs/fuse/connections rw,relatime shared:29 - fusectl 
fusectl rw
49 25 8:34 / /mnt/snd480_boot_01 rw,relatime shared:30 - ext4 /dev/sdc2 
rw,data=ordered
50 25 8:35 / /mnt/snd480_root_01 rw,relatime shared:31 - ext4 /dev/sdc3 
rw,data=ordered
51 25 8:42 / /home rw,relatime shared:32 - ext4 /dev/sdc10 rw,data=ordered
53 25 8:40 / /boot rw,relatime shared:33 - ext4 /dev/sdc8 rw,data=ordered
52 25 8:36 / /mnt/snd480_home_01 rw,relatime shared:34 - ext4 /dev/sdc4 
rw,data=ordered
56 25 8:39 / /mnt/snd480_boot_03_wintemp rw,relatime shared:35 - vfat 
/dev/sdc7 
rw,gid=46,fmask=0007,dmask=0007,allow_utime=0020,codepage=437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro
54 25 8:51 / /mnt/wd2t_home_01 rw,relatime shared:36 - ext4 /dev/sdd3 
rw,data=ordered
55 25 8:1 / /mnt/video rw,relatime shared:37 - ext4 /dev/sda1 
rw,data=ordered
57 25 8:50 / /mnt/wd2t_root_01 rw,relatime shared:38 - ext4 /dev/sdd2 
rw,data=ordered
58 25 8:17 / /mnt/dvd_rips rw,relatime shared:39 - ext4 /dev/sdb1 
rw,data=ordered
60 25 8:18 / /mnt/music rw,relatime shared:40 - ext4 /dev/sdb2 
rw,data=ordered
59 25 8:49 / /mnt/wd2t_boot_01 rw,relatime shared:41 - ext4 /dev/sdd1 
rw,data=ordered
61 25 252:4 / /mnt/lxc_images rw,noatime shared:42 - ext4 
/dev/mapper/wd2t--lvm--data-lxc_images rw,data=ordered
63 25 0:41 / /var/lib/lxd rw,noatime shared:43 - btrfs 
/dev/mapper/wd2t--lvm--data-lxd_images rw,space_cache,subvolid=5,subvol=/
64 61 252:4 
/containers/utopic_browse_normal_backup_151115/rootfs/home/ubuntu/Downloads 
/mnt/lxc_images/containers/trusty-mythserver/rootfs/mnt/lxc_container_normal_downloads 
rw,noatime shared:42 - ext4 /dev/mapper/wd2t--lvm--data-lxc_images 
rw,data=ordered
65 61 8:1 / /mnt/lxc_images/containers/browse_danger/rootfs/mnt/video 
rw,relatime shared:37 - ext4 /dev/sda1 rw,data=ordered
62 25 252:0 / /mnt/programming_data rw,relatime shared:44 - ext4 
/dev/mapper/wd2t--lvm--data-programming_data rw,data=ordered
66 61 8:17 / 
/mnt/lxc_images/containers/browse_danger/rootfs/mnt/dvd_rips rw,relatime 
shared:39 - ext4 /dev/sdb1 rw,data=ordered
67 61 8:1 / 
/mnt/lxc_images/containers/utopic_browse_normal_backup_151115/rootfs/mnt/video 
rw,relatime shared:37 - ext4 /dev/sda1 rw,data=ordered
68 61 8:18 / 
/mnt/lxc_images/containers/utopic_browse_normal_backup_151115/rootfs/mnt/music 
rw,relatime shared:40 - ext4 /dev/sdb2 rw,data=ordered
69 61 8:18 / /mnt/lxc_images/containers/browse_danger/rootfs/mnt/music 
rw,relatime shared:40 - ext4 /dev/sdb2 rw,data=ordered
70 61 8:17 / 
/mnt/lxc_images/containers/utopic_browse_normal_backup_151115/rootfs/mnt/dvd_rips 
rw,relatime shared:39 - ext4 /dev/sdb1 rw,data=ordered
71 25 252:4 
/containers/utopic_browse_normal_backup_151115/rootfs/home/ubuntu/Downloads 
/mnt/lxc_container_normal_downloads rw,noatime shared:42 - ext4 
/dev/mapper/wd2t--lvm--data-lxc_images rw,data=ordered
72 25 0:41 / /mnt/lxd_images rw,noatime shared:43 - btrfs 
/dev/mapper/wd2t--lvm--data-lxd_images rw,space_cache,subvolid=5,subvol=/
142 23 0:45 / /run/cgmanager/fs rw,relatime shared:113 - tmpfs cgmfs 
rw,size=100k,mode=755
146 23 0:47 / /run/lxcfs/controllers rw,relatime shared:115 - tmpfs 
tmpfs rw,size=100k,mode=700
148 146 0:35 / /run/lxcfs/controllers/blkio rw,relatime shared:117 - 
cgroup blkio rw,blkio
150 146 0:34 / /run/lxcfs/controllers/hugetlb rw,relatime shared:119 - 
cgroup hugetlb 
rw,hugetlb,release_agent=/run/cgmanager/agents/cgm-release-agent.hugetlb
152 146 0:33 / /run/lxcfs/controllers/freezer rw,relatime shared:121 - 
cgroup freezer rw,freezer
155 146 0:32 / /run/lxcfs/controllers/pids rw,relatime shared:123 - 
cgroup pids 
rw,pids,release_agent=/run/cgmanager/agents/cgm-release-agent.pids
157 146 0:31 / /run/lxcfs/controllers/perf_event rw,relatime shared:125 
- cgroup perf_event 
rw,perf_event,release_agent=/run/cgmanager/agents/cgm-release-agent.perf_event
159 146 0:30 / /run/lxcfs/controllers/cpu,cpuacct rw,relatime shared:127 
- cgroup cpu,cpuacct rw,cpu,cpuacct
161 146 0:29 / /run/lxcfs/controllers/net_cls,net_prio rw,relatime 
shared:129 - cgroup net_cls,net_prio rw,net_cls,net_prio
163 146 0:28 / /run/lxcfs/controllers/devices rw,relatime shared:131 - 
cgroup devices rw,devices
165 146 0:27 / /run/lxcfs/controllers/memory rw,relatime shared:133 - 
cgroup memory rw,memory
167 146 0:26 / /run/lxcfs/controllers/cpuset rw,relatime shared:135 - 
cgroup cpuset rw,cpuset,clone_children
169 146 0:24 / /run/lxcfs/controllers/name=systemd rw,relatime 
shared:137 - cgroup name=systemd 
rw,xattr,release_agent=/lib/systemd/systemd-cgroups-agent,name=systemd
171 25 0:48 / /var/lib/lxcfs rw,nosuid,nodev,relatime shared:139 - 
fuse.lxcfs lxcfs rw,user_id=0,group_id=0,allow_other
176 63 0:41 /shmounts /var/lib/lxd/shmounts rw,noatime shared:43 - btrfs 
/dev/mapper/wd2t--lvm--data-lxd_images 
rw,space_cache,subvolid=5,subvol=/shmounts
177 72 0:41 /shmounts /mnt/lxd_images/shmounts rw,noatime shared:43 - 
btrfs /dev/mapper/wd2t--lvm--data-lxd_images 
rw,space_cache,subvolid=5,subvol=/shmounts
180 23 0:50 / /run/user/1000 rw,nosuid,nodev,relatime shared:143 - tmpfs 
tmpfs rw,size=1615856k,mode=700,uid=1000,gid=1000
292 42 0:55 / /proc/sys/fs/binfmt_misc rw,relatime shared:151 - 
binfmt_misc binfmt_misc rw
182 63 8:1 / /var/lib/lxd/devices/xenial-mythserver/disk.mnt-video 
rw,relatime master:37 - ext4 /dev/sda1 rw,data=ordered
183 72 8:1 / /mnt/lxd_images/devices/xenial-mythserver/disk.mnt-video 
rw,relatime shared:37 - ext4 /dev/sda1 rw,data=ordered
188 63 8:18 / /var/lib/lxd/devices/xenial-mythserver/disk.mnt-music 
rw,relatime master:40 - ext4 /dev/sdb2 rw,data=ordered
189 72 8:18 / /mnt/lxd_images/devices/xenial-mythserver/disk.mnt-music 
rw,relatime shared:40 - ext4 /dev/sdb2 rw,data=ordered
194 63 8:17 / /var/lib/lxd/devices/xenial-mythserver/disk.mnt-dvd_rips 
rw,relatime master:39 - ext4 /dev/sdb1 rw,data=ordered
195 72 8:17 / 
/mnt/lxd_images/devices/xenial-mythserver/disk.mnt-dvd_rips rw,relatime 
shared:39 - ext4 /dev/sdb1 rw,data=ordered




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