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From a0464b064c46f9a63fd3f8d6f2d8560c7e5d32d3 Mon Sep 17 00:00:00 2001
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From: Frantisek Sumsal <frantisek@sumsal.cz>
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Date: Tue, 21 Jun 2022 10:20:12 +0200
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Subject: [PATCH] test: make the shutdown routine a bit more "robust"
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Replace the call to the `end.service` with `systemctl poweroff`, since
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it seems to cause issues no matter what `--job-mode=` is used:
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```
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[ 129.070993] testsuite-21.sh[380]: ++ systemctl start --job-mode=flush end.service
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[ 129.154985] testsuite-21.sh[912]: Failed to start end.service: Transaction for end.service/start is destructive (sysinit.target has 'stop' job queued, but 'start' is included in transaction).
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[ 129.159636] testsuite-21.sh[912]: See system logs and 'systemctl status end.service' for details.
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```
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Also, add a "safety net" which bypasses the manager and does the
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poweroff directly, since sometimes the D-Bus call performed by
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`systemctl` might timeout (as the manager might be still processing data
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from the fuzzing):
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```
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[ 115.776778] sh[894]: + systemctl poweroff --no-block
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[ 166.164242] testsuite-21.sh[893]: Failed to start transient service unit: Connection timed out
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[ 166.269289] sh[894]: Call to PowerOff failed: Connection timed out
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```
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(cherry picked from commit 56e8ee55d58e38d47992ca6b5b6466fdb5be4781)
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Related: #2087652
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---
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test/units/testsuite-21.sh | 8 ++++++--
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1 file changed, 6 insertions(+), 2 deletions(-)
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diff --git a/test/units/testsuite-21.sh b/test/units/testsuite-21.sh
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index 053d571a90..e9bf18603a 100755
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--- a/test/units/testsuite-21.sh
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+++ b/test/units/testsuite-21.sh
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@@ -9,11 +9,15 @@ systemctl list-jobs | grep -F 'end.service' && SHUTDOWN_AT_EXIT=1 || SHUTDOWN_AT
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at_exit() {
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set +e
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- # We have to call the end.service explicitly even if it's specified on
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+ # We have to call the end.service/poweroff explicitly even if it's specified on
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# the kernel cmdline via systemd.wants=end.service, since dfuzzer calls
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# org.freedesktop.systemd1.Manager.ClearJobs() which drops the service
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# from the queue
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- [[ $SHUTDOWN_AT_EXIT -ne 0 ]] && systemctl start --job-mode=flush end.service
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+ if [[ $SHUTDOWN_AT_EXIT -ne 0 ]] && ! systemctl poweroff; then
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+ # PID1 is down let's try to save the journal
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+ journalctl --sync || : # journal can be down as well so let's ignore exit codes here
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+ systemctl -ff poweroff # sync() and reboot(RB_POWER_OFF)
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+ fi
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}
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trap at_exit EXIT
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