Solution : https://service.sap.com/sap/support/notes/908727 (SAP Service marketplace login required)
Key words :
nt ia 64 /oracle/oracle 64-bit/oracle 9, 64-bit - windows 2003 support package 1 - oracle 9, oracle alert log, oracle patch set 9, 64-bit/ nt_ia_64/9206_patch12_winnt64, 64--bit/ nt_ia_64/9207_patch3_winnt64, system continues working, data execution prevention, operating system locks, exception handling process
Related Notes :
| 904662 | Database standstill on Oracle Rel >= 9.2.0.5 and MS 64-bit |
| 521264 | Hang situations |