Solution : https://service.sap.com/sap/support/notes/963210 (SAP Service marketplace login required)
Key words :
terms pga aix pq bug4536568 reason, aix platforms shows errors, free_y free_common sskgmrf_unmaprange skgmrf_release, stack includes skgmrf_release -> sskgmrf_unmaprange, trace file shows, buffer'call stack, 'px deq credit, set database parameter, _use_realfree_heap = falseand restart, pga memory
Related Notes :
| 872857 | ORA-7445 [][][] Parallel Query Slave Died Unexpectedly |