Solution : https://service.sap.com/sap/support/notes/796250 (SAP Service marketplace login required)
Key words : 
system error log /var/log/messages, linux kernel version suse sles8 sp4, readv/writev system call leads, linux kernel version suse sles8 2, sap db/maxdb process shuts, sap db/maxdb kernel crashes, database error message file, suse version sles8 2, linux kernel error, version sap db 7
Related Notes : 
       
| 847818 | Bad data page on Linux when SIMULATE_VECTORIO <> NEVER | 
| 814704 | MaxDB Version 7.6 parameter settings for OLTP/BW | 
| 767635 | MaxDB Version 7.5 parameter settings for OLTP/BW | 
| 171356 | SAP software on Linux: General information |