I've passed this on to Novell but in case anyone else can shed any light on the problem here's the abend.log (loaded modules edited out for space).

Regards,

Andy

************************************************** *******
Novell Open Enterprise Server, NetWare 6.5
PVER: 6.50.08

Server WINDLEDEN halted Thursday, 20 January 2011 5:59:11.031 pm
Abend 1 on P00: Server-5.70.08: Page Fault Processor Exception (Error code 00000000)

Registers:
CS = 0008 DS = 0010 ES = 0010 FS = 0010 GS = 0023 SS = 0010
EAX = 00000000 EBX = 5F61A6E0 ECX = 5F61A6E0 EDX = 8804CE44
ESI = 5F61A6E0 EDI = 48FE5040 EBP = 8804CE1C ESP = 8804CE10
EIP = 99A5FF32 FLAGS = 00010202
99A5FF32 F6400301 TEST byte ptr [EAX+03]=?, 01
EIP in CIFS.NLM at code start +00055F32h
Access Location: 0x00000003

The violation occurred while processing the following instruction:
99A5FF32 F6400301 TEST byte ptr [EAX+03], 01
99A5FF36 7538 JNZ 99A5FF70
99A5FF38 8B992C040000 MOV EBX, [ECX+0000042C]
99A5FF3E 8B32 MOV ESI, [EDX]
99A5FF40 83C318 ADD EBX, 00000018
99A5FF43 39F3 CMP EBX, ESI
99A5FF45 7743 JA 99A5FF8A
99A5FF47 C6400302 MOV [EAX+03], 02
99A5FF4B 8B992C040000 MOV EBX, [ECX+0000042C]
99A5FF51 83C318 ADD EBX, 00000018



Running process: Server 00:26 Process
Thread Owned by NLM: SERVER.NLM
Stack pointer: 8804CF80
OS Stack limit: 88045040
Scheduling priority: 67371008
Wait state: 50500F0 Waiting for work
Stack: --48FE5040 ?
--5F61A6E0 ?
--5F61A6E0 ?
--8804CE78 ?
99A52B51 (CIFS.NLM|SMB_ReadAndX+271)
--5F61A6E0 ?
--8804CE44 ?
--77C29A8C ?
--8804CE54 ?
--48FE50D8 ?
--00000000 (LOADER.NLM|KernelAddressSpace+0)
--8714EC1A ?
--48FE50F8 ?
--0000012C (LOADER.NLM|KernelAddressSpace+12C)
--00000000 (LOADER.NLM|KernelAddressSpace+0)
--48FE5040 ?
--0000012C (LOADER.NLM|KernelAddressSpace+12C)
--8804CE8C ?
--00000000 (LOADER.NLM|KernelAddressSpace+0)
--75B4BA20 ?
--00000001 (LOADER.NLM|KernelAddressSpace+1)
--00000001 (LOADER.NLM|KernelAddressSpace+1)
--0000003B (LOADER.NLM|KernelAddressSpace+3B)
--77C29A8C ?
--00A323B6 ?
--02EDCCEA ?
--8804CE8C ?
99A60DC3 (CIFS.NLM|DoACommand+33)
--48FE5040 ?
--48FE5040 ?
--48FE5040 ?
--8804CEA0 ?
99A195C5 (CIFS.NLM|VERBChainDispat+35)
--48FE5040 ?
--0000002E (LOADER.NLM|KernelAddressSpace+2E)
99A40AB0 (CIFS.NLM|VCReady+0)
--8804CEB8 ?
99A40B32 (CIFS.NLM|VCReady+82)
--48FE5040 ?
--48FE5040 ?
--00000000 (LOADER.NLM|KernelAddressSpace+0)
--77C29A8C ?
--8804CED8 ?
99A40728 (CIFS.NLM|VCTransition+1D8)
--77C29A8C ?
--00000002 (LOADER.NLM|KernelAddressSpace+2)
--48FE5040 ?
--0000003B (LOADER.NLM|KernelAddressSpace+3B)
--77C29A8C ?
--8714EBFA ?
--8804CEFC ?
99A40277 (CIFS.NLM|VCTransportDispatch+67)
--77C29A8C ?
--00000002 (LOADER.NLM|KernelAddressSpace+2)
--8714EBFA ?
--0000003B (LOADER.NLM|KernelAddressSpace+3B)
--0000003B (LOADER.NLM|KernelAddressSpace+3B)
--00000004 (LOADER.NLM|KernelAddressSpace+4)
--77C299A0 ?
--8804CF30 ?
99A3DA4F (CIFS.NLM|NBTReceivePDU+22F)
--77C299A0 ?
--00000000 (LOADER.NLM|KernelAddressSpace+0)
--00000000 (LOADER.NLM|KernelAddressSpace+0)
--00000000 (LOADER.NLM|KernelAddressSpace+0)
--00000000 (LOADER.NLM|KernelAddressSpace+0)
--77C29A00 ?
--77C29AE8 ?
--00000000 (LOADER.NLM|KernelAddressSpace+0)
--0000003F (LOADER.NLM|KernelAddressSpace+3F)
--0000003F (LOADER.NLM|KernelAddressSpace+3F)
--77C299A0 ?
--8804CF4C ?
99A3D7B7 (CIFS.NLM|NBTReceiveData+117)
--77C299A0 ?
--0000003F (LOADER.NLM|KernelAddressSpace+3F)
--0000003F (LOADER.NLM|KernelAddressSpace+3F)
--77C299A0 ?
--8714EBF6 ?
--8804CF74 ?
99A4520A (CIFS.NLM|CIFSSessionReceiveWTD+17A)
--77C299A0 ?
--00000001 (LOADER.NLM|KernelAddressSpace+1)
--77C29A8C ?
--00000000 (LOADER.NLM|KernelAddressSpace+0)
--00000000 (LOADER.NLM|KernelAddressSpace+0)
--FFFEFFFE ?
--FFFFFFFF ?
99A45090 (CIFS.NLM|CIFSSessionReceiveWTD+0)
--77C29A3D ?
0036B102 (SERVER.NLM|StartWorkToDo+23)
--77C29A3D ?
--FFFEFFFE ?
--FFFFFFFF ?
--00000000 (LOADER.NLM|KernelAddressSpace+0)
--17072299 ?
0022E48B (SERVER.NLM|kWorkerThread+DF)
--77C29A3D ?
--00000000 (LOADER.NLM|KernelAddressSpace+0)
--7FB970C0 ?

Additional Information:
The CPU encountered a problem executing code in CIFS.NLM. The problem may be in that module or in data passed to that module by a process owned by SERVER.NLM.