If you look closely at the error message, you notice that both errors show the same worker!
Dagu gets confused or conflicting signals by/from sub-DAGs running parallel on the same worker node
and marks steps as failed.
time=2026-07-11T00:15:02.667+10:00 level=INFO msg="Task polled successfully" run-id=033n603qqjhn09b778RiHC target=nightly-backups worker-selector=map[] coordinator-id=coord-0
time=2026-07-11T00:15:02.667+10:00 level=INFO msg="Task received" worker-id=dagu-worker-general-54bcbddd55-m5cbz poller-id=331884a3-3bf2-47f6-b594-e6721e2889dc poller-index=99 root-dag-run-name=nightly-backups root-dag-run-id=033n603qqjhn09b778RiHC parent-dag-run-name="" parent-dag-run-id="" run-id=033n603qqjhn09b778RiHC
time=2026-07-11T00:15:02.667+10:00 level=INFO msg="Task received, starting execution" worker-id=dagu-worker-general-54bcbddd55-m5cbz poller-index=99 run-id=033n603qqjhn09b778RiHC
time=2026-07-11T00:15:02.893+10:00 level=INFO msg="Executing remote task" operation=OPERATION_RETRY target=nightly-backups run-id=033n603qqjhn09b778RiHC root-dag-run-id=033n603qqjhn09b778RiHC parent-dag-run-id=""
time=2026-07-11T00:15:02.894+10:00 level=INFO msg="Using previous status from task for retry" run-id=033n603qqjhn09b778RiHC nodes=6
time=2026-07-11T00:15:02.894+10:00 level=INFO msg="Creating temporary DAG file from definition" dag=nightly-backups size=641
{"time":"2026-07-11T00:15:03.545022752+10:00","level":"INFO","msg":"DAG run retry started","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","retry-target-attempt-id":"09b74b"}
{"time":"2026-07-11T00:15:03.545336956+10:00","level":"INFO","msg":"Step started","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_1"}
{"time":"2026-07-11T00:15:03.545390067+10:00","level":"INFO","msg":"Step started","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_2"}
{"time":"2026-07-11T00:15:03.545416905+10:00","level":"INFO","msg":"Step started","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_3"}
{"time":"2026-07-11T00:15:03.545441863+10:00","level":"INFO","msg":"Step started","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_4"}
{"time":"2026-07-11T00:15:03.546109603+10:00","level":"INFO","msg":"No local DAG store, trying remote fallback","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_4","step":"backup_4","dag":"backup-4"}
{"time":"2026-07-11T00:15:03.555675874+10:00","level":"INFO","msg":"DAG loaded from remote fallback","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_4","step":"backup_4","dag":"backup-4"}
{"time":"2026-07-11T00:15:03.812665948+10:00","level":"INFO","msg":"No local DAG store, trying remote fallback","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_1","step":"backup_1","dag":"backup-1"}
{"time":"2026-07-11T00:15:03.821854961+10:00","level":"INFO","msg":"DAG loaded from remote fallback","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_1","step":"backup_1","dag":"backup-1"}
{"time":"2026-07-11T00:15:04.466249589+10:00","level":"INFO","msg":"No local DAG store, trying remote fallback","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_2","step":"backup_2","dag":"backup-2"}
{"time":"2026-07-11T00:15:04.481346268+10:00","level":"INFO","msg":"DAG loaded from remote fallback","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_2","step":"backup_2","dag":"backup-2"}
{"time":"2026-07-11T00:15:04.732789067+10:00","level":"INFO","msg":"No local DAG store, trying remote fallback","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_3","step":"backup_3","dag":"backup-3"}
{"time":"2026-07-11T00:15:04.744531949+10:00","level":"INFO","msg":"DAG loaded from remote fallback","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_3","step":"backup_3","dag":"backup-3"}
{"time":"2026-07-11T00:15:04.989037332+10:00","level":"INFO","msg":"Executing sub DAG via injected sub-workflow runner","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_4","step":"backup_4","sub-dag":"backup-4","sub-run-id":"3T6xGt39U1C1nghKFUju9cURSRqX73G6TPfXqyP654mq"}
{"time":"2026-07-11T00:15:05.000589663+10:00","level":"WARN","msg":"Failed to open sub DAG scheduler log file","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_4","step":"backup_4","sub-dag":"backup-4","sub-run-id":"3T6xGt39U1C1nghKFUju9cURSRqX73G6TPfXqyP654mq","name":"backup-4","run-id":"3T6xGt39U1C1nghKFUju9cURSRqX73G6TPfXqyP654mq","attempt-id":"","file":"/data/logs/3T6xGt39U1C1nghKFUju9cURSRqX73G6TPfXqyP654mq.log","err":"open /data/logs/3T6xGt39U1C1nghKFUju9cURSRqX73G6TPfXqyP654mq.log: no such file or directory"}
{"time":"2026-07-11T00:15:05.233732316+10:00","level":"INFO","msg":"Executing sub DAG via injected sub-workflow runner","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_1","step":"backup_1","sub-dag":"backup-1","sub-run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM"}
{"time":"2026-07-11T00:15:05.243578167+10:00","level":"WARN","msg":"Failed to open sub DAG scheduler log file","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_1","step":"backup_1","sub-dag":"backup-1","sub-run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","name":"backup-1","run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","attempt-id":"","file":"/data/logs/8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM.log","err":"open /data/logs/8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM.log: no such file or directory"}
{"time":"2026-07-11T00:15:05.686174862+10:00","level":"INFO","msg":"Executing sub DAG via injected sub-workflow runner","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_2","step":"backup_2","sub-dag":"backup-2","sub-run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7"}
{"time":"2026-07-11T00:15:05.695652551+10:00","level":"WARN","msg":"Failed to open sub DAG scheduler log file","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_2","step":"backup_2","sub-dag":"backup-2","sub-run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","name":"backup-2","run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","attempt-id":"","file":"/data/logs/D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7.log","err":"open /data/logs/D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7.log: no such file or directory"}
{"time":"2026-07-11T00:15:05.823370942+10:00","level":"INFO","msg":"DAG run started","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_4","step":"backup_4","sub-dag":"backup-4","sub-run-id":"3T6xGt39U1C1nghKFUju9cURSRqX73G6TPfXqyP654mq","name":"backup-4","run-id":"3T6xGt39U1C1nghKFUju9cURSRqX73G6TPfXqyP654mq","attempt-id":"","dag":"backup-4","run-id":"3T6xGt39U1C1nghKFUju9cURSRqX73G6TPfXqyP654mq","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","params":[]}
{"time":"2026-07-11T00:15:05.823698808+10:00","level":"INFO","msg":"Step started","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_4","step":"backup_4","sub-dag":"backup-4","sub-run-id":"3T6xGt39U1C1nghKFUju9cURSRqX73G6TPfXqyP654mq","name":"backup-4","run-id":"3T6xGt39U1C1nghKFUju9cURSRqX73G6TPfXqyP654mq","attempt-id":"","dag":"backup-4","run-id":"3T6xGt39U1C1nghKFUju9cURSRqX73G6TPfXqyP654mq","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"execute_backup_4"}
{"time":"2026-07-11T00:15:05.823750659+10:00","level":"INFO","msg":"Step started","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_4","step":"backup_4","sub-dag":"backup-4","sub-run-id":"3T6xGt39U1C1nghKFUju9cURSRqX73G6TPfXqyP654mq","name":"backup-4","run-id":"3T6xGt39U1C1nghKFUju9cURSRqX73G6TPfXqyP654mq","attempt-id":"","dag":"backup-4","run-id":"3T6xGt39U1C1nghKFUju9cURSRqX73G6TPfXqyP654mq","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"download_script_run_btbw_job"}
{"time":"2026-07-11T00:15:05.823822461+10:00","level":"INFO","msg":"Step started","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_4","step":"backup_4","sub-dag":"backup-4","sub-run-id":"3T6xGt39U1C1nghKFUju9cURSRqX73G6TPfXqyP654mq","name":"backup-4","run-id":"3T6xGt39U1C1nghKFUju9cURSRqX73G6TPfXqyP654mq","attempt-id":"","dag":"backup-4","run-id":"3T6xGt39U1C1nghKFUju9cURSRqX73G6TPfXqyP654mq","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"download_k8s_backup_job"}
{"time":"2026-07-11T00:15:05.994110323+10:00","level":"INFO","msg":"Executing sub DAG via injected sub-workflow runner","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_3","step":"backup_3","sub-dag":"backup-3","sub-run-id":"HG7wubrDy2UYeVLkpg7t4F9NhugFbMe5NLEh2yYmVSFR"}
{"time":"2026-07-11T00:15:06.394017132+10:00","level":"INFO","msg":"DAG run started","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_1","step":"backup_1","sub-dag":"backup-1","sub-run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","name":"backup-1","run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","attempt-id":"","dag":"backup-1","run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","params":[]}
{"time":"2026-07-11T00:15:06.394286573+10:00","level":"INFO","msg":"Step started","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_1","step":"backup_1","sub-dag":"backup-1","sub-run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","name":"backup-1","run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","attempt-id":"","dag":"backup-1","run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"scale_down"}
{"time":"2026-07-11T00:15:06.394327761+10:00","level":"INFO","msg":"Step started","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_1","step":"backup_1","sub-dag":"backup-1","sub-run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","name":"backup-1","run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","attempt-id":"","dag":"backup-1","run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"download_script_run_btbw_job"}
{"time":"2026-07-11T00:15:06.394352989+10:00","level":"INFO","msg":"Step started","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_1","step":"backup_1","sub-dag":"backup-1","sub-run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","name":"backup-1","run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","attempt-id":"","dag":"backup-1","run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"download_k8s_backup_job"}
{"time":"2026-07-11T00:15:06.89708887+10:00","level":"INFO","msg":"DAG run started","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_2","step":"backup_2","sub-dag":"backup-2","sub-run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","name":"backup-2","run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","attempt-id":"","dag":"backup-2","run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","params":[]}
{"time":"2026-07-11T00:15:06.897671136+10:00","level":"INFO","msg":"Step started","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_2","step":"backup_2","sub-dag":"backup-2","sub-run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","name":"backup-2","run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","attempt-id":"","dag":"backup-2","run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"scale_down"}
{"time":"2026-07-11T00:15:06.897880162+10:00","level":"INFO","msg":"Step started","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_2","step":"backup_2","sub-dag":"backup-2","sub-run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","name":"backup-2","run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","attempt-id":"","dag":"backup-2","run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"download_script_run_btbw_job"}
{"time":"2026-07-11T00:15:06.898012806+10:00","level":"INFO","msg":"Step started","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_2","step":"backup_2","sub-dag":"backup-2","sub-run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","name":"backup-2","run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","attempt-id":"","dag":"backup-2","run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"download_k8s_backup_job"}
{"time":"2026-07-11T00:15:07.594512493+10:00","level":"INFO","msg":"DAG run started","dag":"backup-3","run-id":"HG7wubrDy2UYeVLkpg7t4F9NhugFbMe5NLEh2yYmVSFR","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","params":[]}
{"time":"2026-07-11T00:15:07.59483387+10:00","level":"INFO","msg":"Step started","dag":"backup-3","run-id":"HG7wubrDy2UYeVLkpg7t4F9NhugFbMe5NLEh2yYmVSFR","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"get_day_of_week"}
{"time":"2026-07-11T00:15:07.594883011+10:00","level":"INFO","msg":"Step started","dag":"backup-3","run-id":"HG7wubrDy2UYeVLkpg7t4F9NhugFbMe5NLEh2yYmVSFR","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"download_script_run_btbw_job"}
{"time":"2026-07-11T00:15:07.594909141+10:00","level":"INFO","msg":"Step started","dag":"backup-3","run-id":"HG7wubrDy2UYeVLkpg7t4F9NhugFbMe5NLEh2yYmVSFR","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"download_k8s_backup_job"}
{"time":"2026-07-11T00:15:09.194879585+10:00","level":"INFO","msg":"Step started","dag":"backup-3","run-id":"HG7wubrDy2UYeVLkpg7t4F9NhugFbMe5NLEh2yYmVSFR","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"full_or_incremental_backup"}
{"time":"2026-07-11T00:15:09.798480504+10:00","level":"INFO","msg":"Step started","dag":"backup-3","run-id":"HG7wubrDy2UYeVLkpg7t4F9NhugFbMe5NLEh2yYmVSFR","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"full_backup"}
{"time":"2026-07-11T00:15:09.798568114+10:00","level":"INFO","msg":"Step started","dag":"backup-3","run-id":"HG7wubrDy2UYeVLkpg7t4F9NhugFbMe5NLEh2yYmVSFR","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"incremental_backup"}
{"time":"2026-07-11T00:15:10.294745694+10:00","level":"INFO","msg":"Checking preconditions for \"full_backup\"","dag":"backup-3","run-id":"HG7wubrDy2UYeVLkpg7t4F9NhugFbMe5NLEh2yYmVSFR","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"full_backup","step":"full_backup"}
{"time":"2026-07-11T00:15:10.493788284+10:00","level":"INFO","msg":"Preconditions failed for \"full_backup\"","dag":"backup-3","run-id":"HG7wubrDy2UYeVLkpg7t4F9NhugFbMe5NLEh2yYmVSFR","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"full_backup","step":"full_backup"}
{"time":"2026-07-11T00:15:10.694941465+10:00","level":"INFO","msg":"Checking preconditions for \"incremental_backup\"","dag":"backup-3","run-id":"HG7wubrDy2UYeVLkpg7t4F9NhugFbMe5NLEh2yYmVSFR","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"incremental_backup","step":"incremental_backup"}
{"time":"2026-07-11T00:15:11.89668543+10:00","level":"INFO","msg":"Step started","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_2","step":"backup_2","sub-dag":"backup-2","sub-run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","name":"backup-2","run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","attempt-id":"","dag":"backup-2","run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"set_script_permissions"}
{"time":"2026-07-11T00:15:12.093676245+10:00","level":"INFO","msg":"Step started","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_1","step":"backup_1","sub-dag":"backup-1","sub-run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","name":"backup-1","run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","attempt-id":"","dag":"backup-1","run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"set_script_permissions"}
{"time":"2026-07-11T00:15:12.095252914+10:00","level":"INFO","msg":"Step started","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_4","step":"backup_4","sub-dag":"backup-4","sub-run-id":"3T6xGt39U1C1nghKFUju9cURSRqX73G6TPfXqyP654mq","name":"backup-4","run-id":"3T6xGt39U1C1nghKFUju9cURSRqX73G6TPfXqyP654mq","attempt-id":"","dag":"backup-4","run-id":"3T6xGt39U1C1nghKFUju9cURSRqX73G6TPfXqyP654mq","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"set_script_permissions"}
{"time":"2026-07-11T00:15:12.894756407+10:00","level":"INFO","msg":"Step started","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_4","step":"backup_4","sub-dag":"backup-4","sub-run-id":"3T6xGt39U1C1nghKFUju9cURSRqX73G6TPfXqyP654mq","name":"backup-4","run-id":"3T6xGt39U1C1nghKFUju9cURSRqX73G6TPfXqyP654mq","attempt-id":"","dag":"backup-4","run-id":"3T6xGt39U1C1nghKFUju9cURSRqX73G6TPfXqyP654mq","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"run_backup_to_borgwarehouse_job"}
{"time":"2026-07-11T00:15:13.198652332+10:00","level":"INFO","msg":"Step started","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_2","step":"backup_2","sub-dag":"backup-2","sub-run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","name":"backup-2","run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","attempt-id":"","dag":"backup-2","run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"wait_till_scaled_down"}
{"time":"2026-07-11T00:15:13.496590914+10:00","level":"INFO","msg":"Step started","dag":"backup-3","run-id":"HG7wubrDy2UYeVLkpg7t4F9NhugFbMe5NLEh2yYmVSFR","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"set_script_permissions"}
{"time":"2026-07-11T00:15:14.084414466+10:00","level":"INFO","msg":"Step started","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_1","step":"backup_1","sub-dag":"backup-1","sub-run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","name":"backup-1","run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","attempt-id":"","dag":"backup-1","run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"wait_till_scaled_down"}
{"time":"2026-07-11T00:15:43.983536866+10:00","level":"INFO","msg":"DAG run finished","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_4","step":"backup_4","sub-dag":"backup-4","sub-run-id":"3T6xGt39U1C1nghKFUju9cURSRqX73G6TPfXqyP654mq","name":"backup-4","run-id":"3T6xGt39U1C1nghKFUju9cURSRqX73G6TPfXqyP654mq","attempt-id":"","dag":"backup-4","run-id":"3T6xGt39U1C1nghKFUju9cURSRqX73G6TPfXqyP654mq","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","status":"succeeded","started-at":"2026-07-11T00:15:05+10:00","finished-at":"2026-07-11T00:15:43+10:00"}
{"time":"2026-07-11T00:15:44.082838284+10:00","level":"INFO","msg":"Step started","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_2","step":"backup_2","sub-dag":"backup-2","sub-run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","name":"backup-2","run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","attempt-id":"","dag":"backup-2","run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"run_backup_to_borgwarehouse_job"}
{"time":"2026-07-11T00:15:44.474783797+10:00","level":"INFO","msg":"Step started","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_1","step":"backup_1","sub-dag":"backup-1","sub-run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","name":"backup-1","run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","attempt-id":"","dag":"backup-1","run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"run_backup_to_borgwarehouse_job"}
{"time":"2026-07-11T00:16:18.453348653+10:00","level":"INFO","msg":"Step started","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_1","step":"backup_1","sub-dag":"backup-1","sub-run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","name":"backup-1","run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","attempt-id":"","dag":"backup-1","run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"scale_up"}
{"time":"2026-07-11T00:16:21.07577749+10:00","level":"INFO","msg":"DAG run finished","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_1","step":"backup_1","sub-dag":"backup-1","sub-run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","name":"backup-1","run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","attempt-id":"","dag":"backup-1","run-id":"8gPvxhGxM9HF6FFSuV2UMHYBztLcrU4BwrdnZUE1nSMM","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","status":"succeeded","started-at":"2026-07-11T00:15:05+10:00","finished-at":"2026-07-11T00:16:21+10:00"}
{"time":"2026-07-11T00:17:22.491539717+10:00","level":"INFO","msg":"Step started","dag":"backup-3","run-id":"HG7wubrDy2UYeVLkpg7t4F9NhugFbMe5NLEh2yYmVSFR","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"run_backup_to_borgwarehouse_job"}
{"time":"2026-07-11T00:17:22.505049508+10:00","level":"ERROR","msg":"Failed to push status to coordinator","dag":"backup-3","run-id":"HG7wubrDy2UYeVLkpg7t4F9NhugFbMe5NLEh2yYmVSFR","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","err":"status rejected: stale attempt: lease no longer active"}
{"time":"2026-07-11T00:17:22.505147337+10:00","level":"WARN","msg":"Coordinator rejected the worker attempt; stopping execution","dag":"backup-3","run-id":"HG7wubrDy2UYeVLkpg7t4F9NhugFbMe5NLEh2yYmVSFR","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","attempt-id":"HG7wubrDy2UYeVLkpg7t4F9NhugFbMe5NLEh2yYmVSFR","reason":"stale attempt: lease no longer active"}
time=2026-07-11T00:17:22.505+10:00 level=INFO msg="Stopping running child processes" stop-mode=graceful signal=terminated allow-override=true max-cleanup-time=5s
time=2026-07-11T00:17:22.505+10:00 level=INFO msg="All child processes have been terminated"
{"time":"2026-07-11T00:17:22.505555086+10:00","level":"INFO","msg":"DAG run finished","dag":"backup-3","run-id":"HG7wubrDy2UYeVLkpg7t4F9NhugFbMe5NLEh2yYmVSFR","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","status":"aborted","started-at":"2026-07-11T00:15:06+10:00","finished-at":"2026-07-11T00:17:22+10:00"}
{"time":"2026-07-11T00:17:22.561630981+10:00","level":"ERROR","msg":"Failed to push status to coordinator","dag":"backup-3","run-id":"HG7wubrDy2UYeVLkpg7t4F9NhugFbMe5NLEh2yYmVSFR","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","err":"status rejected: stale attempt: run already terminal"}
{"time":"2026-07-11T00:17:22.561656291+10:00","level":"WARN","msg":"Coordinator rejected the worker attempt; stopping execution","dag":"backup-3","run-id":"HG7wubrDy2UYeVLkpg7t4F9NhugFbMe5NLEh2yYmVSFR","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","attempt-id":"HG7wubrDy2UYeVLkpg7t4F9NhugFbMe5NLEh2yYmVSFR","reason":"stale attempt: run already terminal"}
time=2026-07-11T00:17:22.561+10:00 level=INFO msg="Stopping running child processes" stop-mode=graceful signal=terminated allow-override=true max-cleanup-time=5s
time=2026-07-11T00:17:22.561+10:00 level=INFO msg="All child processes have been terminated"
{"time":"2026-07-11T00:17:46.200852881+10:00","level":"INFO","msg":"Step started","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_2","step":"backup_2","sub-dag":"backup-2","sub-run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","name":"backup-2","run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","attempt-id":"","dag":"backup-2","run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","step":"scale_up"}
{"time":"2026-07-11T00:17:46.206892816+10:00","level":"ERROR","msg":"Failed to push status to coordinator","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_2","step":"backup_2","sub-dag":"backup-2","sub-run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","name":"backup-2","run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","attempt-id":"","dag":"backup-2","run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","err":"status rejected: stale attempt: lease no longer active"}
{"time":"2026-07-11T00:17:46.206977835+10:00","level":"WARN","msg":"Coordinator rejected the worker attempt; stopping execution","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_2","step":"backup_2","sub-dag":"backup-2","sub-run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","name":"backup-2","run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","attempt-id":"","dag":"backup-2","run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","attempt-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","reason":"stale attempt: lease no longer active"}
time=2026-07-11T00:17:46.207+10:00 level=INFO msg="Stopping running child processes" stop-mode=graceful signal=terminated allow-override=true max-cleanup-time=5s
time=2026-07-11T00:17:46.207+10:00 level=INFO msg="All child processes have been terminated"
{"time":"2026-07-11T00:17:46.207423826+10:00","level":"INFO","msg":"DAG run finished","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_2","step":"backup_2","sub-dag":"backup-2","sub-run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","name":"backup-2","run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","attempt-id":"","dag":"backup-2","run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","status":"aborted","started-at":"2026-07-11T00:15:05+10:00","finished-at":"2026-07-11T00:17:46+10:00"}
{"time":"2026-07-11T00:17:46.211060676+10:00","level":"ERROR","msg":"Failed to push status to coordinator","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_2","step":"backup_2","sub-dag":"backup-2","sub-run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","name":"backup-2","run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","attempt-id":"","dag":"backup-2","run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","err":"status rejected: stale attempt: run already terminal"}
{"time":"2026-07-11T00:17:46.211138291+10:00","level":"WARN","msg":"Coordinator rejected the worker attempt; stopping execution","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","step":"backup_2","step":"backup_2","sub-dag":"backup-2","sub-run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","name":"backup-2","run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","attempt-id":"","dag":"backup-2","run-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","root":"nightly-backups:033n603qqjhn09b778RiHC","parent":"nightly-backups:033n603qqjhn09b778RiHC","attempt-id":"D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7","reason":"stale attempt: run already terminal"}
time=2026-07-11T00:17:46.211+10:00 level=INFO msg="Stopping running child processes" stop-mode=graceful signal=terminated allow-override=true max-cleanup-time=5s
time=2026-07-11T00:17:46.211+10:00 level=INFO msg="All child processes have been terminated"
{"time":"2026-07-11T00:17:46.267343666+10:00","level":"INFO","msg":"DAG run finished","name":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","attempt-id":"09b74b","dag":"nightly-backups","run-id":"033n603qqjhn09b778RiHC","status":"failed","started-at":"2026-07-11T00:15:02+10:00","finished-at":"2026-07-11T00:17:46+10:00"}
{"time":"2026-07-11T00:17:46.689639719+10:00","level":"ERROR","msg":"DAG execution failed","run-id":"033n603qqjhn09b778RiHC","err":"sub DAG run D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7 failed with status: aborted"}
time=2026-07-11T00:17:46.690+10:00 level=ERROR msg="Task execution failed" worker-id=dagu-worker-general-54bcbddd55-m5cbz poller-index=99 run-id=033n603qqjhn09b778RiHC err="sub DAG run D8PFQxZVvwNb31kZfbPGh7UZqjuKeF1boppUb9qfUWg7 failed with status: aborted"
Describe the bug
Error is same as for #2136, but this is a parallel execution issue.
Workflow executes 2 sub-DAGs in parallel and both have a step that fails with
distributed run lease expired: worker ... accepted the task claim but stopped reporting to the owner coordinatorsub-Dag 1 step error:

sub-Dag 2 step error:

If you look closely at the error message, you notice that both errors show the same worker!
To Reproduce
Steps to reproduce the behavior:
Expected behavior
Actual behavior
Dagu gets confused or conflicting signals by/from sub-DAGs running parallel on the same worker node
and marks steps as failed.
Environment
DAG configuration
n/a
Screenshots
See above
Additional context
Coordinator log
Worker log