[pkg-lxc-devel] Bug#1001713: lxc-copy --ephemeral fail: Failed to create monitor cgroup 12

[Shengjing Zhu]

Package: lxc
Version: 1:4.0.10-1
Severity: normal
X-Debbugs-Cc: zhsj at debian.org

Dear Maintainer,

$ sudo lxc-copy -F -l debug --name autopkgtest-sid --ephemeral --newname a
Created a as clone of autopkgtest-sid
lxc-copy: autopkgtest-sid: cgroups/cgfsng.c: __cgroup_tree_create: 771 File exists - Creating the final cgroup 12(lxc.monitor.a) failed
lxc-copy: autopkgtest-sid: cgroups/cgfsng.c: cgroup_tree_create: 831 File exists - Failed to create monitor cgroup 12(lxc.monitor.a)
lxc-copy: autopkgtest-sid: cgroups/cgfsng.c: __cgroup_tree_create: 771 File exists - Creating the final cgroup 12(lxc.monitor.a-1) failed
lxc-copy: autopkgtest-sid: cgroups/cgfsng.c: cgroup_tree_create: 831 File exists - Failed to create monitor cgroup 12(lxc.monitor.a-1)
lxc-copy: autopkgtest-sid: cgroups/cgfsng.c: __cgroup_tree_create: 771 File exists - Creating the final cgroup 12(lxc.monitor.a-2) failed
lxc-copy: autopkgtest-sid: cgroups/cgfsng.c: cgroup_tree_create: 831 File exists - Failed to create monitor cgroup 12(lxc.monitor.a-2)
lxc-copy: autopkgtest-sid: cgroups/cgfsng.c: __cgroup_tree_create: 771 File exists - Creating the final cgroup 12(lxc.monitor.a-3) failed
lxc-copy: autopkgtest-sid: cgroups/cgfsng.c: cgroup_tree_create: 831 File exists - Failed to create monitor cgroup 12(lxc.monitor.a-3)
lxc-copy: autopkgtest-sid: conf.c: lxc_rootfs_init: 570 Bad file descriptor - Failed to open "overlay:/var/lib/lxc/autopkgtest-sid/rootfs:/var/lib/lxc/a/overlay/delta"
lxc-copy: autopkgtest-sid: start.c: __lxc_start: 2025 Failed to handle rootfs pinning for container "a"

As the log shows, lxc-copy fails when using --ephemeral option.

-- System Information:
Debian Release: bookworm/sid
  APT prefers testing
  APT policy: (500, 'testing'), (100, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 5.15.0-2-amd64 (SMP w/12 CPU threads)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages lxc depends on:
ii  bridge-utils                 1.7-1
ii  debconf [debconf-2.0]        1.5.79
ii  dnsmasq-base [dnsmasq-base]  2.86-1.1
ii  iproute2                     5.15.0-1
ii  iptables                     1.8.7-1
ii  libc6                        2.32-5
ii  libcap2                      1:2.44-1
ii  libgcc-s1                    11.2.0-12
ii  liblxc1                      1:4.0.10-1
ii  libseccomp2                  2.5.3-2
ii  libselinux1                  3.3-1+b1
ii  lsb-base                     11.1.0

Versions of packages lxc recommends:
ii  apparmor       3.0.3-6
ii  debootstrap    1.0.126+nmu1
ii  dirmngr        2.2.27-2
ii  gnupg          2.2.27-2
pn  libpam-cgfs    <none>
ii  lxc-templates  3.0.4-5
pn  lxcfs          <none>
ii  openssl        1.1.1l-1
ii  rsync          3.2.3-8
ii  uidmap         1:4.8.1-2
ii  wget           1.21.2-2+b1

Versions of packages lxc suggests:
pn  btrfs-progs  <none>
pn  lvm2         <none>
pn  python3-lxc  <none>

-- debconf information:
  lxc/auto_update_config: