Hi,

XDAV.NLM caused an abend on one of our servers. It also caused an abend 3 weeks ago. Where do I start looking for the cause of this?

Thank you,

Matthias

************************************************** *******
Novell Netware, V6.5 Support Pack 5 - CPR Release
PVER: 6.50.05

Server STUDENT halted Tuesday, November 13, 2007 9:44:35.955 am
Abend 1 on P00: Server-5.70.05: Double Fault Processor Exception (Error code 00000000)

Registers:
CS = 0008 DS = 0068 ES = 0068 FS = 0068 GS = 0068 SS = 0068
EAX = 4CDFB3A0 EBX = 0000004B ECX = 4B057AA0 EDX = 92A0D923
ESI = 92A0D94F EDI = 000000C8 EBP = AF7AC004 ESP = AF7AC000
EIP = 7CFFE2F4 FLAGS = 00010202
7CFFE2F4 56 PUSH ESI
EIP in XDAV.NLM at code start +000112F4h

The violation occurred while processing the following instruction:
7CFFE2F4 56 PUSH ESI
7CFFE2F5 8B4508 MOV EAX, [EBP+08]
7CFFE2F8 83780400 CMP [EAX+04], 00000000
7CFFE2FC 740C JZ 7CFFE30A
7CFFE2FE 8B4508 MOV EAX, [EBP+08]
7CFFE301 FF7004 PUSH dword ptr [EAX+04]
7CFFE304 E8E7FFFFFF CALL XDAV.NLM|writeNodesHTML
7CFFE309 59 POP ECX
7CFFE30A 8B4508 MOV EAX, [EBP+08]
7CFFE30D 8B10 MOV EDX, [EAX]



Running process: Apache_Worker 14 Process
Thread Owned by NLM: APACHE2.NLM
Stack pointer: AF7BA090
OS Stack limit: AF7AC800
Scheduling priority: 67371008
Wait state: 3030070 Yielded CPU
Stack: --0000004B (LOADER.NLM|KernelAddressSpace+4B)
--AF7AC018 ?
7CFFE36F (XDAV.NLM|writeNodesHTML+7F)
--4CDFA620 ?
--92A0D94F ?
--0000004B (LOADER.NLM|KernelAddressSpace+4B)
--AF7AC02C ?
7CFFE36F (XDAV.NLM|writeNodesHTML+7F)
--4CDFB3A0 ?
--92A0D94F ?
--0000004B (LOADER.NLM|KernelAddressSpace+4B)
--AF7AC040 ?
7CFFE36F (XDAV.NLM|writeNodesHTML+7F)
--4CDFA560 ?
--92A0D94F ?
--0000004B (LOADER.NLM|KernelAddressSpace+4B)
--AF7AC054 ?
7CFFE36F (XDAV.NLM|writeNodesHTML+7F)
--4CDFCF20 ?
--92A0D94F ?
--0000004B (LOADER.NLM|KernelAddressSpace+4B)
--AF7AC068 ?
7CFFE36F (XDAV.NLM|writeNodesHTML+7F)
--4CDFB2C0 ?
--92A0D94F ?
--0000004B (LOADER.NLM|KernelAddressSpace+4B)
--AF7AC07C ?
7CFFE36F (XDAV.NLM|writeNodesHTML+7F)
--4CC5EE60 ?
--92A0D94F ?
--0000004B (LOADER.NLM|KernelAddressSpace+4B)
--AF7AC090 ?
7CFFE36F (XDAV.NLM|writeNodesHTML+7F)
--4CDFCE60 ?
--92A0D94F ?
--0000004B (LOADER.NLM|KernelAddressSpace+4B)
--AF7AC0A4 ?
7CFFE36F (XDAV.NLM|writeNodesHTML+7F)
--4CDFCDA0 ?
--92A0D94F ?
--0000004B (LOADER.NLM|KernelAddressSpace+4B)
--AF7AC0B8 ?
7CFFE36F (XDAV.NLM|writeNodesHTML+7F)
--4CDFCCE0 ?
--92A0D94F ?
--0000004B (LOADER.NLM|KernelAddressSpace+4B)
--AF7AC0CC ?
7CFFE36F (XDAV.NLM|writeNodesHTML+7F)
--4CDFCC20 ?
--92A0D94F ?
--0000004B (LOADER.NLM|KernelAddressSpace+4B)
--AF7AC0E0 ?
7CFFE36F (XDAV.NLM|writeNodesHTML+7F)
--4CDFB1E0 ?
--92A0D94F ?
--0000004B (LOADER.NLM|KernelAddressSpace+4B)
--AF7AC0F4 ?
7CFFE36F (XDAV.NLM|writeNodesHTML+7F)
--4CDFCB60 ?
--92A0D94F ?
--0000004B (LOADER.NLM|KernelAddressSpace+4B)
--AF7AC108 ?
7CFFE36F (XDAV.NLM|writeNodesHTML+7F)
--4CDFCAA0 ?
--92A0D94F ?
--0000004B (LOADER.NLM|KernelAddressSpace+4B)
--AF7AC11C ?
7CFFE36F (XDAV.NLM|writeNodesHTML+7F)
--4CDFC4A0 ?
--92A0D94F ?
--0000004B (LOADER.NLM|KernelAddressSpace+4B)
--AF7AC130 ?
7CFFE36F (XDAV.NLM|writeNodesHTML+7F)
--4CDFC3E0 ?
--92A0D94F ?
--0000004B (LOADER.NLM|KernelAddressSpace+4B)
--AF7AC144 ?
7CFFE36F (XDAV.NLM|writeNodesHTML+7F)
--4CDFC320 ?
--92A0D94F ?
--0000004B (LOADER.NLM|KernelAddressSpace+4B)
--AF7AC158 ?
7CFFE36F (XDAV.NLM|writeNodesHTML+7F)
--4CDFC260 ?
--92A0D94F ?
--0000004B (LOADER.NLM|KernelAddressSpace+4B)
--AF7AC16C ?
7CFFE36F (XDAV.NLM|writeNodesHTML+7F)
--4CDFC1A0 ?
--92A0D94F ?
--0000004B (LOADER.NLM|KernelAddressSpace+4B)
--AF7AC180 ?
7CFFE36F (XDAV.NLM|writeNodesHTML+7F)
--4CDFB020 ?
--92A0D94F ?
--0000004B (LOADER.NLM|KernelAddressSpace+4B)
--AF7AC194 ?
7CFFE36F (XDAV.NLM|writeNodesHTML+7F)
--4CDFC0E0 ?
--92A0D94F ?

Additional Information:
The CPU encountered a problem executing code in XDAV.NLM. The problem may be in that module or in data passed to that module by a process owned by APACHE2.NLM.