Hello, I just updated a jessie system to buster. Kudos to the packagers of lxc, the upgrade script worked and the containers work like a charm.
However, I have an issue with some lxc munin plugins I use. Namely they don't show anything. It reduces to the following problem: lxc-cgroup -n 11 cpuacct.stat (and also lxc-cgroup -n 11 cpu.stat) is now empty (the same is valid for other cgroup stuff). before, it would output something like: user 9650090 system 1645066 I found this reported here: https://github.com/lxc/lxc/issues/2742 and here: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=929926 however, this is supposedly fixed in 1:3.1.0+really3.0.3-8 which is what is installed on my system. So, maybe it's a config option I missed ? lxc-checkconfig says: Kernel configuration found at /boot/config-4.19.0-5-amd64 --- Namespaces --- Namespaces: enabled Utsname namespace: enabled Ipc namespace: enabled Pid namespace: enabled User namespace: enabled Network namespace: enabled --- Control groups --- Cgroups: enabled Cgroup v1 mount points: /sys/fs/cgroup/systemd /sys/fs/cgroup/pids /sys/fs/cgroup/perf_event /sys/fs/cgroup/freezer /sys/fs/cgroup/cpu,cpuacct /sys/fs/cgroup/net_cls,net_prio /sys/fs/cgroup/blkio /sys/fs/cgroup/rdma /sys/fs/cgroup/devices /sys/fs/cgroup/memory /sys/fs/cgroup/cpuset Cgroup v2 mount points: /sys/fs/cgroup/unified Cgroup v1 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, loaded Macvlan: enabled, not loaded Vlan: enabled, not loaded Bridges: enabled, loaded Advanced netfilter: enabled, loaded CONFIG_NF_NAT_IPV4: enabled, loaded CONFIG_NF_NAT_IPV6: enabled, not loaded CONFIG_IP_NF_TARGET_MASQUERADE: enabled, not loaded CONFIG_IP6_NF_TARGET_MASQUERADE: enabled, not loaded CONFIG_NETFILTER_XT_TARGET_CHECKSUM: enabled, loaded CONFIG_NETFILTER_XT_MATCH_COMMENT: enabled, not loaded FUSE (for use with lxcfs): enabled, loaded --- 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: Note : Before booting a new kernel, you can check its configuration usage : CONFIG=/path/to/config /usr/bin/lxc-checkconfig Would you have any idea how to fix this ? Thank you for your input.
