Solution : https://service.sap.com/sap/support/notes/192150 (SAP Service marketplace login required)
Key words :
create lock shared-memory, shared-memory-segment, abnormal system shutdowns, process-id=xxxx, system believes sap, sap system kernel, sap system, process withthe, error messages, file sapstart
Related Notes :
459180 | iSeries: system does not start with STARTSAP |