err = -27100 NSF subsystem error System error = 9

Hello, Since 3 days, I receive on my SCO OpenServer 5.0.5 working with Informix Dynamic Server Version 7.31.UC2 the following message at the reboot of the Unix Server 05:05:29 DR: DRAUTO is 0 (Off) 05:05:29 Requested shared memory segment size rounded from 1616KB to 4096KB 05:05:29 listener-thread: err = -27100: oserr = 9: errstr = : Internal Communications Error: NSF subsystem error. System error = 9. 05:05:29 Attempting to bring listener thread down. 05:05:29 Server stopped. 05:05:29 Assert Failed: tlipoll.c, line 2015, thread 9, errno=5, makestream error. 05:05:29 Informix Dynamic Server Version 7.31.UC2 05:05:29 Who: Session(3, informix@, 0, 0) Thread(9, tlitcppoll, 0, 8) File: neterrb.c Line: 658 Anyone can help me ? Regards, July Ten