Abend "with Interrupt service routine "

I am starting to get this abends with Gw 6.5.2 on Nw6.5sp2

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Server xxxxxxx halted Monday, December 19, 2005 8:10:43.951 am
Abend 1 on P01: Server-5.70.02-1937: CPU Hog Detected by Timer

Registers:
CS = 0060 DS = 007B ES = 007B FS = 007B GS = 007B SS = 0068
EAX = FCE17BBC EBX = 51DE698C ECX = 6E4C0580 EDX = 00000000
ESI = 00000006 EDI = 00000003 EBP = 51DE6844 ESP = 51DE67F8
EIP = 00000000 FLAGS = 00000083


Running process: Interrupt service routine (nested count 0)
Interrupted process: GWTCP-HANDLER_6 Process
Thread Owned by NLM: GWPOA.NLM
Stack pointer: 51DE6BB4
OS Stack limit: 51DDA280
Scheduling priority: 67371008
Wait state: 3030070 Yielded CPU
Stack: --FCE17BBC ?
54A81C98 (GWENN4.NLM|GWENN4@Wpxlt6ToLang+68)
--51DE6810 ?
--00000000 ?
--05820009 ?
--000000EC ?
--54C89A20 ?
--00000062 ?
--0000FFFF ?
--6E4D0062 ?
--00000004 ?
--6E4CFFFF ?
--00000000 ?
--377D5A0E ?
--377D9E54 ?
--51DE8754 ?
-54C7A6EA ?
--51DE6BB6 ?
--55250994 ?
--51DE6CCC ?
54AF4BBA ?
--6E4C0580 ?
--51DE6BB4 ?
--51DE698C ?
--51DE6BB6 ?
--51DE680E ?
--51DE68A2 ?
--00000000 ?
--6E4C5240 ?
--51A78B08 ?
--00000000 ?
--51A78AC0 ?
--00000001 ?
--51A78AC0 ?
--51A78860 ?
--6E9637C0 ?
--6E9637C0 ?
--20532F43 ?
--69676F4C ?
--6977206E ?
-4E20206E ?
--49207465 ?
--00003D64 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?
--00000000 ?

Additional Information:
The NetWare OS detected a problem with the system while executing a
process owned by SERVER.NLM. It may be the source of the problem or
there may have been a memory corruption.

Loaded Modules:
WPSD.NLM ServiceDescriptor Natives NLM
Version 1.00 June 7, 2004
Code Address: 564F1000h Length: 00000119h
Data Address: 564F2000h Length: 0000005Ch
N_PRDDAT.NLM N_PRDDAT
Version 1.00 February 3, 2003
Code Address: 564EE000h Length: 00001E84h
Data Address: 564F0000h Length: 000001D0h
NDPSGW.NLM NDPS Gateway for NetWare Servers
Version 3.01 May 5, 2004
Code Address: 5643B000h Length: 00015104h
Data Address: 56366000h Length: 00009F4Ch
NDPDS.NLM NDPS Print Device Subsystem for NetWare Servers
Version 3.00 July 17, 2001
Code Address: 563B7000h Length: 0000B219h
Data Address: 563C3000h Length: 000019E4h
PFPNPD.NLM NDPS PerfectFit Printing Interface
Version 2.00.03 April 29, 1999
Code Address: 56400000h Length: 0000BD3Bh
Data Address: 563C6000h Length: 000012C4h
PFPLIB.NLM NDPS PerfectFit Printing Library
Version 2.00.02 March 19, 1999
Code Address: 563D0000h Length: 00007F0Eh
Data Address: 563D9000h Length: 0000008Ch
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