Solution : https://service.sap.com/sap/support/notes/1849206 (SAP Service marketplace login required)
Key words :
components bc-op-lnx linux priority normal category problem product, performing file operation suffered stack space exhaustion, customer component bc-upg upgrade - general, __%pdfstyle%__ / } #monospace td { font-family, log 2 etq399 tp r3e aborted, __%pdfstyle%__ / } #monospace, __%pdfstyle%__ / } symptom, / __%pdfstyle%__font-size, environment software update manager, rc=2084 etq010 date & time