You can read some more about cgmanager at https://cgmanager.linuxcontainers.org
cgroup-lite's goal was simply to mount the cgroup filesystem in a consistent manner, cgmanager instead is a daemon which handles all cgroup actions through a dbus API and allows for proper user delegation of cgroups including across user namespaces. Since Ubuntu 14.04, cgmanager is the preferred way of managing cgroups. ** Changed in: lxc (Ubuntu) Status: Incomplete => Invalid -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to lxc in Ubuntu. https://bugs.launchpad.net/bugs/1306916 Title: cgroup-lite should be added as an explicit dependency Status in “cgmanager” package in Ubuntu: Fix Released Status in “lxc” package in Ubuntu: Invalid Bug description: Otherwise you'll get an error sudo lxc-start -n mycontainer lxc: call to cgmanager_move_pid_abs_sync(blkio) failed: invalid request lxc-start: Could not find writable mount point for cgroup hierarchy 11 while trying to create cgroup. lxc-start: Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/blkio/grp_1 lxc-start: Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/cpu/sys_daemon lxc-start: Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/cpuset/ lxc-start: failed creating cgroups lxc-start: failed to spawn 'mycontainer' Or at least let the "lxc-start" check of the presence of the "cgroup- lite" and show a meaningful error message. Ubuntu vanilla installs the "cgroup-lite" automatically, so it doesn't affect fresh installs. System: Ubuntu 14.04 64 bit --- ApportVersion: 2.14.1-0ubuntu2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: adam 2813 F.... pulseaudio /dev/snd/pcmC0D0p: adam 2813 F...m pulseaudio CurrentDesktop: Unity DistroRelease: Ubuntu 14.04 EcryptfsInUse: Yes InstallationDate: Installed on 2014-04-04 (9 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Daily amd64 (20140404) MachineType: ASUSTeK COMPUTER INC. N56VZ Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-24-generic.efi.signed root=UUID=926fa7cc-6f97-4672-85a7-a1ed8f5bd842 ro rootflags=subvol=@ quiet splash intel_pstate=enable vt.handoff=7 ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9 RelatedPackageVersions: linux-restricted-modules-3.13.0-24-generic N/A linux-backports-modules-3.13.0-24-generic N/A linux-firmware 1.127 Tags: trusty Uname: Linux 3.13.0-24-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm bumblebee cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 12/06/2012 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: N56VZ.216 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: N56VZ dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: 1.0 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK COMPUTER INC. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrN56VZ.216:bd12/06/2012:svnASUSTeKCOMPUTERINC.:pnN56VZ:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnN56VZ:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0: dmi.product.name: N56VZ dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cgmanager/+bug/1306916/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp