Netware6 SP5 running well, no changes made
My server keeps abending every HOUR with the abend log below
Any help will be appreciated

Server TSUNAMI halted Thursday, October 11, 2007 5:04:44.102 pm
Abend 4 on P00: Server-5.60.05-1937: CPU Hog Detected by Timer

Registers:
CS = 0008 DS = 0010 ES = 0010 FS = 0010 GS = 0010 SS = 0010
EAX = FCE17833 EBX = CCDC1390 ECX = CCC36DA8 EDX = 00000000
ESI = FBC00128 EDI = 17072298 EBP = CE9F7F48 ESP = CE9F7F34
EIP = 00000000 FLAGS = 00000046


Running process: Interrupt service routine (nested count 1)
Interrupted process: Server 00:12 Process
Thread Owned by NLM: SERVER.NLM
Stack pointer: CE9F7F80
OS Stack limit: CE9F0040
CPU 0 (Thread C99C60A0) is in a NO SLEEP state
Scheduling priority: 67371008
Wait state: 50500F0 Waiting for work
Stack: --FCE17833 ?
CC9BE1C9 (LIBNSS.NLM|nssSpinLock+9)
CC9DC2F2 (NSS.NLM|NSSMPK_LockNss+62)
-CCC36DA8 (NSS.NLM|NSSMPK_spinlock+0)
CCDC1390 (NWSA.NSS|DoUnpin+0)
--CE9F7F58 ?
CCDC139A (NWSA.NSS|DoUnpin+A