TCPIP.SYS Page fault at !PAGE + 0DDE

Hi,

While doing stress test on my NT4 driver, I got this exception
“Page fault at TCPIP!PAGE+0DDE”. It’s difficult to reproduce
this error, we test over 1 month, it only happened twice.
Anyone knew anything about this error please help?

More info:


PDEVICE_OBJECT pDev= TdiGetDeviceObject(IPPROTO_UDP);
if (s && s->tdiHandle)
{
pIrp=TdiBuildInternalDeviceControlIrp (
TDI_SET_EVENT_HANDLER,
pDev,
s->pFileObject,
NULL,
&Iostatus );
TdiBuildSetEventHandler (
pIrp,
pDev,
s->pFileObject,
NULL,
NULL,
TDI_EVENT_RECEIVE_DATAGRAM,
NULL,
NULL
);
status=IoCallDriver( pDev,pIrp); ****************** call TCPIP.SYS,
excetion came from here.

Thanks,

Morphy