Public bug reported: lxc fails 4 autopkgtests if ran on a cgroups v2 enabled systemd (248.3-1ubuntu7) using a pure unified hierarchy (in favor of the hybrid hierarchy used before).
https://autopkgtest.ubuntu.com/packages/lxc FAIL: lxc-tests: lxc-test-apparmor-mount (0s) FAIL: lxc-tests: lxc-test-autostart (360s) FAIL: lxc-tests: lxc-test-no-new-privs (361s) FAIL: lxc-tests: lxc-test-unpriv (0s) I needed to skip the "lxc-test-exit-code" test to avoid my local autopkgtest to hang but that seems to be working on the Ubuntu infrastructure, so its probably related to my local environment: diff --git a/debian/tests/exercise b/debian/tests/exercise index 4a22f33..70231ee 100755 --- a/debian/tests/exercise +++ b/debian/tests/exercise @@ -88,6 +88,10 @@ for testbin in lxc-test-*; do echo "${testbin}" | grep -qv "\.in$" || continue STRING="lxc-tests: $testbin" + # Skip some tests because for testing + [ "$testbin" = "lxc-test-exit-code" ] && \ + ignore "$STRING" && continue + # Some tests can't be run standalone [ "$testbin" = "lxc-test-may-control" ] && continue Reproducer (while being connected to the Canonical VPN, or setup another squid proxy): $ autopkgtest-buildvm-ubuntu-cloud -v -r impish $ autopkgtest lxc -s -U --apt-pocket=proposed=src:systemd --env "http_proxy=http://squid.internal:3128"; --env "https_proxy=http://squid.internal:3128"; --env "no_proxy=127.0.0.1,127.0.1.1,localhost,localdomain,novalocal,internal,archive.ubuntu.com,security.ubuntu.com,ddebs.ubuntu.com,changelogs.ubuntu.com,launchpad.net,10.24.0.0/24" -- qemu autopkgtest-impish-amd64.img I used "../lxc_4.0.10-0ubuntu4+wip0_amd64.changes" instead of the "lxc" SRCPKG name, to use a custom package, skipping the additional "lxc-test- exit-code" test. Interestingly, the same set of tests fails if I run the test using the old (non cgroups v2) systemd (248.3-1ubuntu3), i.e. by leaving out the " --apt-pocket=proposed=src:systemd" parameter. Although, they fail in a slightly different way (see attached lxc-vs-old-systemd.log). Running a baseline test using the old systemd passed on the Ubuntu infrastructure. – I cannot really explain this infra-baseline vs local-autopkgtest difference... But it doesn't matter too much either, as we need to fix the situation for the new (cgroupv2) enabled systemd. Logs (full logs attached): FAIL: lxc-tests: lxc-test-apparmor-mount (0s) --- /usr/sbin/deluser: The user `lxcunpriv' does not exist. ./lxc-test-apparmor-mount: 152: cannot create /sys/fs/cgroup/-.mount/lxctest/tasks: Permission denied lxc-destroy: tmp.6hX6BylHCU: tools/lxc_destroy.c: main: 242 Container is not defined umount: /sys/kernel/security/apparmor/features/mount: not mounted. sed: can't read /run/lxc/nics: No such file or directory --- => "./lxc-test-apparmor-mount: 152: cannot create /sys/fs/cgroup/-.mount/lxctest/tasks: Permission denied" seems to be relevant/related to unified cgroup hierarchy here. => fails in a different way with old (non cgroup v2) systemd, locally FAIL: lxc-tests: lxc-test-autostart (21s) --- Setting up the GPG keyring Downloading the image index ERROR: Failed to download http://images.linuxcontainers.org//meta/1.0/index-system lxc-create: lxc-test-auto: lxccontainer.c: create_run_template: 1621 Failed to create container from template lxc-create: lxc-test-auto: tools/lxc_create.c: main: 319 Failed to create container lxc-test-auto FAIL --- => fails in the same way with old (non cgroup v2) systemd, locally. FAIL: lxc-tests: lxc-test-no-new-privs (22s) --- + DONE=0 + trap cleanup EXIT SIGHUP SIGINT SIGTERM + '[' '!' -d /etc/lxc ']' + ARCH=i386 + type dpkg ++ dpkg --print-architecture + ARCH=amd64 + lxc-create -t download -n c1 -- -d ubuntu -r xenial -a amd64 Setting up the GPG keyring Downloading the image index ERROR: Failed to download http://images.linuxcontainers.org//meta/1.0/index-system lxc-create: c1: lxccontainer.c: create_run_template: 1621 Failed to create container from template lxc-create: c1: tools/lxc_create.c: main: 319 Failed to create container c1 + cleanup + cd / + lxc-destroy -n c1 -f lxc-destroy: c1: tools/lxc_destroy.c: main: 242 Container is not defined + true + '[' 0 -eq 0 ']' + echo FAIL FAIL + exit 1 --- => fails in the same way with old (non cgroup v2) systemd, locally. FAIL: lxc-tests: lxc-test-unpriv (0s) --- ./lxc-test-unpriv: line 163: /sys/fs/cgroup/-.mount/lxctest/tasks: Permission denied cat: /tmp/tmp.w4zIOZHyAA: No such file or directory --- => "./lxc-test-unpriv: line 163: /sys/fs/cgroup/-.mount/lxctest/tasks: Permission denied" seems to be relevant/related to unified cgroup hierarchy here. => fails in a different way with old (non cgroup v2) systemd, locally. ** Affects: lxc (Ubuntu) Importance: Undecided Status: New ** Tags: update-excuse ** Attachment added: "lxc-vs-new-systemd.log" https://bugs.launchpad.net/bugs/1943704/+attachment/5525406/+files/lxc-vs-new-systemd.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1943704 Title: lxc fails autopkgtests on (pure) cgroups v2 enabled system To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1943704/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
