1 files changed, 60 insertions, 0 deletions
diff --git a/test/units/testsuite-09.journal.sh b/test/units/TEST-09-REBOOT.journal.sh
index 2ef192c..726e800 100755
--- a/test/units/testsuite-09.journal.sh
+++ b/test/units/TEST-09-REBOOT.journal.sh
@@ -22,6 +22,22 @@ get_last_timestamp() {
     journalctl -b "${1:?}" -o json -n 1 | jq -r '.__REALTIME_TIMESTAMP'
 }
 
+# There may be huge amount of pending messages in sockets. Processing them may cause journal rotation.
+# If the journal is rotated in the loop below, some journal file may not be loaded and an unexpected
+# result may be provided. To mitigate such, flush (if not yet) and sync before reading journals.
+# Workaround for #32890.
+journalctl --flush
+journalctl --sync
+# Sometimes, loading partially written .journal file, and journalctl handled that as 'truncated':
+# ===
+# May 21 02:25:55 TEST-09-REBOOT.sh[433]: + journalctl --list-boots -o json
+# May 21 02:25:55 journalctl[433]: Journal file /var/log/journal/173da2fad3064e3e9211a7ed7d59360b/system.journal is truncated, ignoring file.
+# ===
+# If that happens, the entries stored in the journal file are ignored, and the results of --list-boots
+# and subsequent call of journalctl may become inconsistent. To prevent such issue, let's also rotate
+# the journal. Then, all journal entries we are interested in are stored in the archived journal files.
+journalctl --rotate
+
 # Issue: #29275, second part
 # Now let's check if the boot entries are in the correct/expected order
 index=0
@@ -70,3 +86,47 @@ journalctl --list-boots -o json | jq -r '.[] | [.index, .boot_id, .first_entry,
             assert_eq "$entry_ts" "$last_ts"
         fi
     done
+
+verify_seqnum() {
+    if [[ "$REBOOT_COUNT" -ne "$NUM_REBOOT" ]]; then
+        return 0
+    fi
+
+    journalctl --flush
+    journalctl --sync
+
+    ls -lR /var/log/journal/
+    ls -lR /run/log/journal/
+
+    journalctl --system --header
+
+    (! journalctl --system -q -o short-monotonic -u systemd-journald.service --grep 'Journal file uses a different sequence number ID, rotating')
+
+    set +x
+    previous_seqnum=0
+    previous_seqnum_id=
+    previous_boot_id=
+    journalctl --system -q -o json | jq -r '[.__SEQNUM, .__SEQNUM_ID, ._BOOT_ID] | @tsv' |
+        while read -r seqnum seqnum_id boot_id; do
+
+            if [[ -n "$previous_seqnum_id" ]]; then
+                if ! test "$seqnum" -gt "$previous_seqnum"; then
+                    echo "seqnum=$seqnum is not greater than previous_seqnum=$previous_seqnum"
+                    echo "seqnum_id=$seqnum_id, previous_seqnum_id=$previous_seqnum_id"
+                    echo "boot_id=$boot_id, previous_boot_id=$previous_boot_id"
+                    return 1
+                fi
+
+                assert_eq "$seqnum_id" "$previous_seqnum_id"
+            fi
+
+            previous_seqnum="$seqnum"
+            previous_seqnum_id="$seqnum_id"
+            previous_boot_id="$boot_id"
+        done
+    set -x
+
+    return 0
+}
+
+verify_seqnum