MPIO Crash with exeption 7E at reboot

Hi All,

I have few Hosts with Windows Server 2003 SP1 and drivers of MPIO 1.16
installed.

From time to time when I reboot the Host I get BSOD 7E at shutdown
process.

I perform bug analyze and receive the next stack:

1: kd> !analyze -v

SYSTEM_THREAD_EXCEPTION_NOT_HANDLED (7e)

This is a very common bugcheck. Usually the exception address pinpoints

the driver/function that caused the problem. Always note this address

as well as the link date of the driver/image that contains this address.

Arguments:

Arg1: c0000005, The exception code that was not handled

Arg2: 80840284, The address that the exception occurred at

Arg3: f78d6934, Exception Record Address

Arg4: f78d6630, Context Record Address

BUGCHECK_STR: 0x7E

CURRENT_IRQL: 0

LAST_CONTROL_TRANSFER: from 80920d39 to 80840284

STACK_TEXT:

f78d69fc 80920d39 897c0930 89196fd8 00000000 nt!ObfReferenceObject+0x18

f78d6ad8 809210cc 8975f028 f78d6b14 00000200 nt!ObpQueryNameString+0x2a0

f78d6af4 809c824c 8975f028 f78d6b14 00000200 nt!ObQueryNameString+0x18

f78d6d18 809c83b4 8975f028 89202834 89202810
nt!IopCaptureObjectName+0x32

f78d6d40 809d0997 00000000 00000001 808b70a0
nt!IoBuildPoDeviceNotifyList+0xf9

f78d6d64 809cd101 00000000 8979ddb0 808b70a0
nt!PopSetDevicesSystemState+0xe1

f78d6d80 8083f72e 00000000 00000000 8979ddb0
nt!PopGracefulShutdown+0x178

f78d6dac 8092ccff 00000000 00000000 00000000 nt!ExpWorkerThread+0xeb

f78d6ddc 80841a96 8083f671 00000000 00000000
nt!PspSystemThreadStartup+0x2e

00000000 00000000 00000000 00000000 00000000 nt!KiThreadStartup+0x16

Using the parameters of the ObpQueryNameString function I receive that
this is the device object of the MPIOControl and the corresponding
DevNode is a parameter passed on function ObfReferenceObject on the same
stack:

1: kd> !devstack 8975f028

!DevObj !DrvObj !DevExt ObjectName

8975f028 \Driver\mpio 8975f0e0 MPIOControl

897c0a80 \Driver\PnpManager 897c0b38 00000026

!DevNode 897c0930 :

DeviceInst is “Root\MPIO\0000”

ServiceName is “mpio”

Can any body tell me if there is some bug on the MPIO drivers than
should cause this problem?

Thanks,

Gabriel.

StoreAge Networking Technologies.

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