Solution : https://service.sap.com/sap/support/notes/795505 (SAP Service marketplace login required)
Key words :
process / thread id <number> = <pid><tid>, terms db6 db2udb udb trap reason, exe <db2 trap file> > <output file>, file <output file>, names db2<number>, db2 processes / threads, trpwhere <number>, trap files, formatted trap, db2dump directory
Related Notes :
932918 | DB6: Collect Stack Traces of DB2 Processes |
864555 | DB6: Database crash during SORT or REORG |
101809 | DB6: Supported Fix Packs IBM DB2 for Linux,UNIX and Windows |