TEST-69-SHUTDOWN failed with timeout

[yuwata]

systemd version the issue has been seen with

HEAD

Used distribution

No response

Linux kernel version used

No response

CPU architectures issue was seen on

None

Component

No response

Expected behaviour you didn't see

No response

Unexpected behaviour you saw

https://autopkgtest.ubuntu.com/results/autopkgtest-jammy-upstream-systemd-ci-systemd-ci/jammy/arm64/s/systemd-upstream/20230710_032730_b02ce@/log.gz

10468s ERROR:test-shutdown:Timeout exceeded.
10468s <pexpect.pty_spawn.spawn object at 0xffffb413e080>
10468s command: /bin/systemd-nspawn
10468s args: [b'/bin/systemd-nspawn', b'--register=no', b'--kill-signal=SIGKILL', b'--directory=/var/tmp/systemd-tests/systemd-test.I515Hy/root', b'--setenv=SYSTEMD_UNIT_PATH=/usr/lib/systemd/tests/testdata/testsuite-69.units:/usr/lib/systemd/tests/testdata/units:', b'--machine=TEST-69', b'/lib/systemd/systemd', b'systemd.unit=testsuite.target', b'systemd.wants=testsuite-69.service', b'systemd.wants=end.service']
10468s buffer (last 100 chars): '0;31m*\x1b[0;1;31m*\x1b[0m\x1b[0;31m*  \x1b[0m] A stop job is running for Session 13 of User root (59s / 3min)\r\n'
10468s before (last 100 chars): '0;31m*\x1b[0;1;31m*\x1b[0m\x1b[0;31m*  \x1b[0m] A stop job is running for Session 13 of User root (59s / 3min)\r\n'
10468s after: <class 'pexpect.exceptions.TIMEOUT'>
10468s match: None
10468s match_index: None
10468s exitstatus: None
10468s flag_eof: False
10468s pid: 197398
10468s child_fd: 5
10468s closed: False
10468s timeout: 60
10468s delimiter: <class 'pexpect.exceptions.EOF'>
10468s logfile: <_io.TextIOWrapper name='<stdout>' mode='w' encoding='utf-8'>
10468s logfile_read: None
10468s logfile_send: None
10468s maxread: 2000
10468s ignorecase: False
10468s searchwindowsize: None
10468s delaybeforesend: 0.05
10468s delayafterclose: 0.1
10468s delayafterterminate: 0.1
10468s searcher: searcher_re:
10468s     0: re.compile('H login: ')
10468s INFO:test-shutdown:killing child pid 197398
10468s E: nspawn failed with exit code 1
10468s Spawning getter /bin/journalctl -o export -D /var/tmp/systemd-tests/systemd-test.I515Hy/root/var/log/journal/e996a9d9e58a46a6b11e1b171d0b2e5b...
10469s Finishing after writing 5120 entries
10469s ---- /var/tmp/systemd-tests/systemd-test.I515Hy/root/var/log/journal/e996a9d9e58a46a6b11e1b171d0b2e5b ----
10469s [ 1968.976819] login[44]: pam_env(login:session): Unable to open env file: /etc/default/locale: No such file or directory
10469s [ 1969.332504] systemd-oomd[50]: No swap; memory pressure usage will be degraded
10469s TEST-69-SHUTDOWN: (failed; see logs)
10469s -rw-r-----+ 1 root root 8388608 Jul 10 03:02 /tmp/autopkgtest.Eannnu/upstream-artifacts/TEST-69-SHUTDOWN.journal
10469s nspawn-root test failed
10469s make: Leaving directory '/tmp/autopkgtest.Eannnu/build.YX5/systemd/test/TEST-69-SHUTDOWN'
10469s make: *** [Makefile:4: run] Error 1
10469s [03:02:38] --x-- Result of TEST-69-SHUTDOWN: 2 --x--

Though, not sure it is simply happened on slow machine, or there exist a deadlock or so.

Steps to reproduce the problem

No response

Additional program output to the terminal or log subsystem illustrating the issue

No response