[pkg-lxc-devel] Bug#944389: lxc: Fails to work with cgroupv2 / unified hierarchy
Ryutaroh Matsumoto
ryutaroh.matsumoto at nagoya-u.jp
Sun Dec 1 13:09:25 GMT 2019
Package: lxc
Version: 1:3.1.0+really3.0.4-2
Followup-For: Bug #944389
With config lines:
lxc.cgroup.devices.deny =
lxc.cgroup.devices.allow =
lxc.init.cmd = /bin/bash
the container starts, but without lxc.init.cmd = /bin/bash
the /sbin/init in the container prints
Failed to mount cgroup at /sys/fs/cgroup/systemd: Operation not permitted
[!!!!!!] Failed to mount API filesystems.
and does not start, when host Debian started with systemd.unified_cgroup_hierarchy.
There seems to be some compatibility issue between lxc and systemd in
the container.
Best regards,
Ryutaroh
-- System Information:
Debian Release: 10.1
APT prefers stable
APT policy: (990, 'stable'), (500, 'stable-updates'), (500, 'unstable'), (500, 'testing'), (1, 'experimental')
Architecture: amd64 (x86_64)
Kernel: Linux 5.3.0-2-amd64 (SMP w/4 CPU cores)
Locale: LANG=ja_JP.UTF-8, LC_CTYPE=ja_JP.UTF-8 (charmap=UTF-8), LANGUAGE=ja_JP.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
Versions of packages lxc depends on:
ii debconf [debconf-2.0] 1.5.71
ii libc6 2.29-3
ii libgcc1 1:8.3.0-6
ii liblxc1 1:3.1.0+really3.0.4-2
ii lsb-base 10.2019051400
Versions of packages lxc recommends:
ii apparmor 2.13.2-10
ii bridge-utils 1.6-2
ii debootstrap 1.0.114
ii dirmngr 2.2.12-1+deb10u1
ii dnsmasq-base [dnsmasq-base] 2.80-1
ii gnupg 2.2.12-1+deb10u1
ii iproute2 4.20.0-2
ii iptables 1.8.2-4
pn libpam-cgfs <none>
ii lxc-templates 3.0.4-1
pn lxcfs <none>
ii nftables 0.9.0-2
ii openssl 1.1.1c-1
ii rsync 3.1.3-8
ii uidmap 1:4.5-1.1
Versions of packages lxc suggests:
pn btrfs-progs <none>
ii lvm2 2.03.02-3
pn python3-lxc <none>
-- debconf information:
lxc/auto_update_config:
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