Abend 6.5 sp8

[estropes]

All our Grpwise Server keeps getting abends errors to the point that we have to reboot on an almost daily basis.

Below is the abend log file, hoping someone out there recognizes the issues and can steer me in the right direction. Thanks!!!

Novell Open Enterprise Server, NetWare 6.5
PVER: 6.50.08

Server GRPWISE halted Thursday, June 18, 2009 2:11:31.193 pm
Abend 1 on P05: Server-5.70.08: Page Fault Processor Exception (Error code 00000002)

Registers:
CS = 0008 DS = 0010 ES = 0010 FS = 0010 GS = 0010 SS = 0010
EAX = A3C82A64 EBX = A3C82A64 ECX = A3C82A64 EDX = 00000008
ESI = A3C820ED EDI = A6FE3A01 EBP = A3C820A8 ESP = A3C82098
EIP = A6FE3A27 FLAGS = 00010217
A6FE3A27 A200000000 MOV [00000000]=?, AL
EIP in UNKNOWN memory area
Access Location: 0x00000000

The violation occurred while processing the following instruction:
A6FE3A27 A200000000 MOV [00000000]=?, AL
A6FE3A2C 0000 ADD [EAX], AL
A6FE3A2E 0000 ADD [EAX], AL
A6FE3A30 0000 ADD [EAX], AL
A6FE3A32 0000 ADD [EAX], AL
A6FE3A34 0000 ADD [EAX], AL
A6FE3A36 0000 ADD [EAX], AL
A6FE3A38 0100 ADD [EAX], EAX
A6FE3A3A 0000 ADD [EAX], AL
A6FE3A3C E500 IN EAX, 00000000



Running process: GWSOAP-wppo-Handler_5 Process
Thread Owned by NLM: GWPOA.NLM
Stack pointer: A3C8155C
OS Stack limit: A3C77080
Scheduling priority: 67371008
Wait state: 3030070 Yielded CPU
Stack: 9ADC2251 (GWXIS12.NLM|GWXIS12@?XisBridgeOperatorAssign__YAP AVXisObject__PAV1_ABV1__Z+61)
--00050601 ?
--A3C84A70 ?
-9A989020 (XGMSG5.NLM|(Data Start)+2020)
--A3C820B8 ?
9AB57DAD (XGMSG5.NLM|XGMSG5@?getActualClassID%NgwFolder%%UB EJXZ+25FD)
--A3C820EC ?
--A3C82A64 ?
--A3C846B0 ?
9AB59A7B (XGMSG5.NLM|XGMSG5@?getActualClassID%NgwFolder%%UB EJXZ+42CB)
--A3C82A64 ?
--A3C82198 ?
--9C705480 ?
-9A98B770 (XGMSG5.NLM|(Data Start)+4770)
--A3C82158 ?
--A39E0800 ?
--00000000 (LOADER.NLM|KernelAddressSpace+0)
-9A98B770 (XGMSG5.NLM|(Data Start)+4770)
--A3C820F0 ?
--00000000 (LOADER.NLM|KernelAddressSpace+0)
--00000000 (LOADER.NLM|KernelAddressSpace+0)
-9A98B770 (XGMSG5.NLM|(Data Start)+4770)
--A3C82100 ?
--00000000 (LOADER.NLM|KernelAddressSpace+0)
--00000000 (LOADER.NLM|KernelAddressSpace+0)
-9A98A8AC (XGMSG5.NLM|(Data Start)+38AC)
--00000000 (LOADER.NLM|KernelAddressSpace+0)
--00000000 (LOADER.NLM|KernelAddressSpace+0)
--00000000 (LOADER.NLM|KernelAddressSpace+0)
-9A98A8AC (XGMSG5.NLM|(Data Start)+38AC)
--A3C8212C ?
--00000000 (LOADER.NLM|KernelAddressSpace+0)
--00000000 (LOADER.NLM|KernelAddressSpace+0)
-9A988B24 (XGMSG5.NLM|(Data Start)+1B24)
--A3C82130 ?
--00000000 (LOADER.NLM|KernelAddressSpace+0)
--00000000 (LOADER.NLM|KernelAddressSpace+0)
-9A988B24 (XGMSG5.NLM|(Data Start)+1B24)
--A3C8223C ?
--00000000 (LOADER.NLM|KernelAddressSpace+0)
--00000000 (LOADER.NLM|KernelAddressSpace+0)
-9A988B24 (XGMSG5.NLM|(Data Start)+1B24)
-9AE8C1F5 (GWXIS12.NLM|??_7XisRParameters__6B_+8)
--00000000 (LOADER.NLM|KernelAddressSpace+0)
--00000000 (LOADER.NLM|KernelAddressSpace+0)
9AD8DC9B (GWXIS12.NLM|??0XisDOMNode__QAE_ABV0__Z+1B)
--A3C821D4 ?
--A3C8223C ?
--A3C8223C ?
--A3C821B4 ?
9ADEFD58