HUB上应用USB设备蓝屏，WinDbg分析如下：

CUSTOMER_CRASH_COUNT:  1

DEFAULT_BUCKET_ID:  DRIVER_FAULT

PROCESS_NAME:  System

ERROR_CODE: (NTSTATUS) 0xc0000005 - "0x%08lx"

READ_ADDRESS:  00000000

FAILED_INSTRUCTION_ADDRESS:
+0
00000000 ??              ???

BUGCHECK_STR:  0x7E

LAST_CONTROL_TRANSFER:  from f760bae1 to 00000000

STACK_TEXT:  
WARNING: Frame IP not in any known module. Following frames may be wrong.
b7604b80 f760bae1 00000000 68627375 64657621 0x0
b7604ba8 f76091d8 821d02e0 f7c265c8 b7604be4 usbhub!USBH_FdoQueryBusRelations+0x125
b7604bb8 804e47f7 f7bed030 f7c265c8 82219c28 usbhub!UsbhFdoCleanup+0x2ec
b7604be4 b7bca76b fee878f8 f7c265c8 00000000 nt!`string'+0x367
b7604c08 b7bca5d3 fee878f0 f7c265c8 0000000f usbccgp!USBC_Dispatch+0x2b
b7604c44 804e47f7 fee87838 f7c265c8 82219c28 usbccgp!InitializeListHead+0x1a3
b7604c84 b7bca786 822cb648 f7c265c8 822cb648 nt!`string'+0x367
b7604ca8 b7bca5d3 822cb640 f7c265c8 0000000f usbccgp!USBC_Dispatch+0x46
b7604ce4 804e47f7 822cb588 f7c265c8 00000000 usbccgp!InitializeListHead+0x1a3
b7604d28 b73b10f9 825bd2a0 821d02e0 825bd358 nt!`string'+0x367
b7604d4c b73af383 825bd2a0 b7604d7c 00000001 dtm5731_i0!DTUSB_SendVendorCommand+0xd7 [d:\temp\driver\usbvcom_mihsdpa\usb.c @ 99]
b7604d84 b73af415 825bd358 b7604da8 00000000 dtm5731_i0!QueryStatus+0x59 [d:\temp\driver\usbvcom_mihsdpa\ioctl.c @ 4110]
b7604dac 8057e0f1 825bd358 00000000 00000000 dtm5731_i0!QueryStatusThreadRoutine+0x33 [d:\temp\driver\usbvcom_mihsdpa\ioctl.c @ 4320]
b7604ddc 804f927a b73af3e2 825bd358 00000000 nt!MiDecrementShareCount+0x127
00000000 00000000 00000000 00000000 00000000 nt!IoSetStartIoAttributes+0x2


FOLLOWUP_IP:
dtm5731_i0!DTUSB_SendVendorCommand+d7 [d:\temp\driver\usbvcom_mihsdpa\usb.c @ 99]
b73b10f9 3bc7            cmp     eax,edi

FAULTING_SOURCE_CODE:  
    95:
    96:     ntStatus = DTUSB_CallUSBD (DeviceObject, (PURB)urb);
    97:
    98:
>   99:     if (NT_SUCCESS(ntStatus)) {
   100:
   101:          if (localBuffer && GetData) {
   102:             RtlCopyMemory(buffer, localBuffer, ((PURB)urb)->UrbControlVendorClassRequest.TransferBufferLength);
   103:
   104:         }              


SYMBOL_STACK_INDEX:  a

SYMBOL_NAME:  dtm5731_i0!DTUSB_SendVendorCommand+d7

FOLLOWUP_NAME:  MachineOwner

MODULE_NAME: dtm5731_i0

IMAGE_NAME:  dtm5731_i0.sys

DEBUG_FLR_IMAGE_TIMESTAMP:  48522fdc

STACK_COMMAND:  .cxr 0xffffffffb76047b8 ; kb

FAILURE_BUCKET_ID:  0x7E_NULL_IP_dtm5731_i0!DTUSB_SendVendorCommand+d7

BUCKET_ID:  0x7E_NULL_IP_dtm5731_i0!DTUSB_SendVendorCommand+d7

Followup: MachineOwner
---------


请大家帮忙分析分析，问题在哪？

好像是usbhub.sys, usbccgp.sys,与dtm5731_i0.sys有冲突，  dtm5731_i0.sys是我自己开发的USB虚拟串口驱动，  设备插在HUB上出现蓝屏……