Solution : https://service.sap.com/sap/support/notes/579605 (SAP Service marketplace login required)
Key words :
profile paramter rdisp/max_wprun_time, trace file dev_disp, rdisp/gui_auto_logout seconds, dispatcher checks regularly, rdisp/gui_auto_logout, system logs, user started, user starts, requires longer, set status
Related Notes :
| 1139307 | CST Patch Collection 07 2008 |
| 554288 | SAP's kernel patch strategy |