请大家帮我看看这个DUMP，我没法定位问题出在哪里

kd> !analyze -v
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*                        Bugcheck Analysis                                    *
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BAD_POOL_CALLER (c2)
The current thread is making a bad pool request.  Typically this is at a bad IRQL level or double freeing the same allocation, etc.
Arguments:
Arg1: 00000007, Attempt to free pool which was already freed
Arg2: 0000121a, (reserved)
Arg3: 85596720, Memory contents of the pool block
Arg4: 84fa0ae8, Address of the block of pool being deallocated

Debugging Details:
------------------


POOL_ADDRESS:  84fa0ae8 Nonpaged pool

BUGCHECK_STR:  0xc2_7

DEFAULT_BUCKET_ID:  DRIVER_FAULT

PROCESS_NAME:  System

CURRENT_IRQL:  0

LAST_CONTROL_TRANSFER:  from 80896586 to 80876ae0

STACK_TEXT:  
f78facf4 80896586 000000c2 00000007 0000121a nt!KeBugCheckEx+0x1b
f78fad58 8082dbd2 84fa0ae8 00000000 808ad474 nt!ExFreePoolWithTag+0x436
f78fad8c 8085a95c e47e0c18 00000000 85791db0 nt!MiSegmentDelete+0x2f0
f78fadac 80905b6b 00000000 00000000 00000000 nt!MiDereferenceSegmentThread+0x9d
f78faddc 808286ed 80803acd 00000000 00000000 nt!PspSystemThreadStartup+0x2e
00000000 00000000 00000000 00000000 00000000 nt!KiThreadStartup+0x16


STACK_COMMAND:  kb

FOLLOWUP_IP:
nt!ExFreePoolWithTag+436
80896586 cc              int     3

SYMBOL_STACK_INDEX:  1

FOLLOWUP_NAME:  MachineOwner

MODULE_NAME: nt

IMAGE_NAME:  ntoskrnl.exe

DEBUG_FLR_IMAGE_TIMESTAMP:  45ec146a

SYMBOL_NAME:  nt!ExFreePoolWithTag+436

FAILURE_BUCKET_ID:  0xc2_7_nt!ExFreePoolWithTag+436

BUCKET_ID:  0xc2_7_nt!ExFreePoolWithTag+436

Followup: MachineOwner
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这个蓝屏可能是由于我的虚拟硬盘驱动引起的，也有可能是其他什么引起的。可是这个上面的提示看不出来，怎么来确认是由什么原因引起的呢。

IRQL有问题，特别是内存使用时

disable Virtual disk driver, and check the problem

重复释放同一块内存，KD 100 看看还有没有其他信息

重复释放同一块内存,很可能是你在多处同时处理一个共享数据导致的，好好检查你的锁。