Symptom
- During the S/4 HANA upgrade 2023 from version 1709, an error occurred in the phase "PREP_CHECKNOTES2/SUBMOD_IMPLEMENT_NOTES/RUN_NOTES_EXECUTE_SILENT" when releasing the change request. The error message displayed was "Work Process Restarted / ABAP Session Terminated".
- The Work Process trace file(dev_w<nr>) indicated an error:
M *** ERROR => ThVBSelectServer: bad server index [thxxvb.c 12046]
M {root-id=005056A1C52B1FD182C417333218E000}_{conn-id=00000000000000000000000000000000}_0
M ***LOG R0Z=> ThResetVBDispatching, reset update dispatching info () [thxxvb.c 8518]
I *** ERROR => SemRq: Inv. State detected. Units 1. Key=13 [semux.c 1045]
M ***LOG R00=> ThSemRq, SemRq failed (013001) [thxxtool.c 4112]
M M in_ThErrHandle: 1
M *** ERROR => ThSemRq: lock semaphore (step TH_WORK_SYNC, thRc ERROR-CORE-LOCKING_ERROR, action STOP_WP, level 1) [thxxhead.c 2808]
M ThIErrHandle: set thRc ERROR-CORE-LOCKING_ERROR for Txx_Uxxxx_Mx
M ThResetEmMagic: reset em magic for Txx_Uxxxx_Mx_Ix
M ThInsideCriticalSection: inside critical section Semaphore 13
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Environment
• SAP S/4 upgrade 2023 from version 1709.
• Enqueue component.
• Update server administration in transaction SM14.
• Instance profiles with parameter rdisp/vb_included_server.
Product
Keywords
work process restarted, abap session terminated, s/4 hana upgrade, prep_checknotes2, run_notes_execute_silent, semaphore error, th_work_sync, error-core-locking_error, stop_wp, rc=-6, nieconn_broken, network issue, message server, rdisp/vb_included_server, sm14, sum logs, sap hana upgrade error, update task, VB dispatcher, update dispatcher, work process crash, kernel semaphore , KBA , BC-CST-UP , Update , Problem
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