Your message dated Sat, 4 Feb 2017 18:12:30 +0100 with message-id <[email protected]> and subject line Re: Bug#850212: lxc: lxc init script should depend on cgroupfs-mount has caused the Debian Bug report #850212, regarding lxc: On "sysv-init", fail to initialize cgroup since "cgmanager" support dropped. to be marked as done.
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--- Begin Message ---Package: lxc Version: 1:2.0.5-3 Severity: important Tags: newcomer Found: 1:2.0.5-1 Notfound: 1:2.0.4-1 Hi, After an upgrade from /1:2.0.4-1/, lxc containers fails to start on /SysV init/. It seems that it is following the removal of "cgmanager" support. A workaround is to install the "cgroupfs-mount" package or manually mount /cgroups/. Could you add some information to help ? Maybe update dependencies (recommended or suggested, like previously "cgmanager") on "systemd" or "cgroupfs-mount" for /cgroups/ settings. Note: On my system, "systemd" is installed (required by other services), but is not used as /init/. -- Before "cgroupfs-mount" installation: --- lxc-start logs: lxc-start: cgroups/cgfs.c: cgfs_init: 2288 cgroupfs failed to detect cgroup metadata lxc-start: start.c: lxc_spawn: 1094 failed initializing cgroup support lxc-start: start.c: __lxc_start: 1354 failed to spawn 'test-container' lxc-start: tools/lxc_start.c: main: 344 The container failed to start. --- lxc-checkconfig outputs: Kernel configuration not found at /proc/config.gz; searching... Kernel configuration found at /boot/config-4.7.0-1-amd64 --- Namespaces --- Namespaces: enabled Utsname namespace: enabled Ipc namespace: enabled Pid namespace: enabled User namespace: enabled Network namespace: enabled --- Control groups --- Cgroup: enabled Cgroup namespace: required 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 -- After "cgroupfs-mount" installation: --- lxc-checkconfig outputs: Kernel configuration not found at /proc/config.gz; searching... Kernel configuration found at /boot/config-4.7.0-1-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 --- Added mount entries: cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,relatime,cpuset,release_agent=/run/cgmanager/agents/cgm-release-agent.cpuset,clone_children) cgroup on /sys/fs/cgroup/cpu type cgroup (rw,relatime,cpu,release_agent=/run/cgmanager/agents/cgm-release-agent.cpu) cgroup on /sys/fs/cgroup/cpuacct type cgroup (rw,relatime,cpuacct,release_agent=/run/cgmanager/agents/cgm-release-agent.cpuacct) cgroup on /sys/fs/cgroup/blkio type cgroup (rw,relatime,blkio,release_agent=/run/cgmanager/agents/cgm-release-agent.blkio) cgroup on /sys/fs/cgroup/memory type cgroup (rw,relatime,memory,release_agent=/run/cgmanager/agents/cgm-release-agent.memory) cgroup on /sys/fs/cgroup/devices type cgroup (rw,relatime,devices,release_agent=/run/cgmanager/agents/cgm-release-agent.devices) cgroup on /sys/fs/cgroup/freezer type cgroup (rw,relatime,freezer,release_agent=/run/cgmanager/agents/cgm-release-agent.freezer) cgroup on /sys/fs/cgroup/net_cls type cgroup (rw,relatime,net_cls,release_agent=/run/cgmanager/agents/cgm-release-agent.net_cls) cgroup on /sys/fs/cgroup/perf_event type cgroup (rw,relatime,perf_event,release_agent=/run/cgmanager/agents/cgm-release-agent.perf_event) cgroup on /sys/fs/cgroup/net_prio type cgroup (rw,relatime,net_prio,release_agent=/run/cgmanager/agents/cgm-release-agent.net_prio) cgroup on /sys/fs/cgroup/pids type cgroup (rw,relatime,pids,release_agent=/run/cgmanager/agents/cgm-release-agent.pids) -- System Information: Debian Release: stretch/sid APT prefers testing APT policy: (600, 'testing'), (400, 'stable-updates'), (400, 'proposed-updates'), (400, 'stable'), (300, 'oldstable-updates'), (300, 'oldstable-proposed-updates'), (300, 'oldstable'), (200, 'unstable'), (100, 'experimental') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 4.7.0-1-amd64 (SMP w/2 CPU cores) Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: sysvinit (via /sbin/init) Versions of packages lxc depends on: ii init-system-helpers 1.46 ii libapparmor1 2.10.95-5 ii libc6 2.24-5 ii libcap2 1:2.25-1 ii liblxc1 1:2.0.5-3 ii libseccomp2 2.3.1-2 ii libselinux1 2.6-1 ii lsb-base 9.20161101 ii python3-lxc 1:2.0.5-3 pn python3:any <none> Versions of packages lxc recommends: ii bridge-utils 1.5-9 ii debootstrap 1.0.86 ii dirmngr 2.1.15-4 pn dnsmasq-base <none> ii gnupg 2.1.15-4 ii iptables 1.6.0-4 pn libpam-cgfs <none> pn lxcfs <none> ii openssl 1.0.2j-1 ii rsync 3.1.2-1 ii uidmap 1:4.2-3.2 Versions of packages lxc suggests: ii apparmor 2.10.95-5 pn btrfs-tools <none> ii lvm2 2.02.164-1 -- no debconf information Best regards,
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--- Begin Message ---Version: 1:2.0.7-1 Hi, On Thu, Jan 05, 2017 at 12:21:59PM +0900, Benda Xu wrote: > Package: lxc > Version: 1:2.0.6-1~bpo8+1 > Severity: important > > Dear Maintainer, > > lxc requires cgroupfs to be properly mounted. This task is either done by > cgroupfs-mount init script or systemd. The former does nothing if started > by systemd: > > # Test for systemd and bail (we have to test before sourcing > init-functions, or systemd hijacks us) > # We bail because systemd already mounts cgroups sanely, so we just > silently pretend we were successful in mounting them here > if [ -d /run/systemd/system ]; then > exit 0 > fi > > Therefore adding cgroupfs-mount to the service dependency of lxc fix startup > issue on non-systemd systems. > > ### BEGIN INIT INFO > # Provides: lxc > # Required-Start: $syslog $remote_fs cgroupfs-mount > # Required-Stop: $syslog $remote_fs cgroupfs-mount This is done in 2.0.7 via Should-Start/Stop, thanks for the suggestion. Evgeni
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