0: kd> !drvobj 8a6138a0 7

Driver object (8a6138a0) is for:

 \Driver\SymEvent

Driver Extension List: (id , addr) 
Device Object list:

8a0fe030  8b49af10  8a305030  8a5c7a28

8a5c7b48  8a612a60   
DriverEntry:   f6b2a0a7  SYMEVENT

DriverStartIo: 00000000

DriverUnload:  00000000           

AddDevice:     00000000  
Dispatch routines:

[00] IRP_MJ_CREATE                      f6b10960      SYMEVENT+0x7960

[01] IRP_MJ_CREATE_NAMED_PIPE           f6b10960        SYMEVENT+0x7960

[02] IRP_MJ_CLOSE                       f6b10960       SYMEVENT+0x7960

[03] IRP_MJ_READ                        f6b109f0        SYMEVENT+0x79f0

[04] IRP_MJ_WRITE                       f6b10a50       SYMEVENT+0x7a50

[05] IRP_MJ_QUERY_INFORMATION           f6b10960       SYMEVENT+0x7960

[06] IRP_MJ_SET_INFORMATION             f6b10960          SYMEVENT+0x7960

[07] IRP_MJ_QUERY_EA                    f6b10960    SYMEVENT+0x7960

[08] IRP_MJ_SET_EA                      f6b10960       SYMEVENT+0x7960

[09] IRP_MJ_FLUSH_BUFFERS               f6b10960            SYMEVENT+0x7960

[0a] IRP_MJ_QUERY_VOLUME_INFORMATION    f6b10960            SYMEVENT+0x7960

[0b] IRP_MJ_SET_VOLUME_INFORMATION      f6b10960  SYMEVENT+0x7960

[0c] IRP_MJ_DIRECTORY_CONTROL           f6b10960       SYMEVENT+0x7960

[0d] IRP_MJ_FILE_SYSTEM_CONTROL         f6b10960      SYMEVENT+0x7960

[0e] IRP_MJ_DEVICE_CONTROL              f6b10960          SYMEVENT+0x7960

[0f] IRP_MJ_INTERNAL_DEVICE_CONTROL     f6b10960   SYMEVENT+0x7960

[10] IRP_MJ_SHUTDOWN                    f6b10960  SYMEVENT+0x7960

[11] IRP_MJ_LOCK_CONTROL                f6b10960           SYMEVENT+0x7960

[12] IRP_MJ_CLEANUP                     f6b10960     SYMEVENT+0x7960

[13] IRP_MJ_CREATE_MAILSLOT             f6b10960          SYMEVENT+0x7960

[14] IRP_MJ_QUERY_SECURITY              f6b10960           SYMEVENT+0x7960

[15] IRP_MJ_SET_SECURITY                f6b10960 SYMEVENT+0x7960

[16] IRP_MJ_POWER                       f6b10960      SYMEVENT+0x7960

[17] IRP_MJ_SYSTEM_CONTROL              f6b10960          SYMEVENT+0x7960

[18] IRP_MJ_DEVICE_CHANGE               f6b10960           SYMEVENT+0x7960

[19] IRP_MJ_QUERY_QUOTA                 f6b10960            SYMEVENT+0x7960

[1a] IRP_MJ_SET_QUOTA                   f6b10960   SYMEVENT+0x7960

[1b] IRP_MJ_PNP                         f6b10960         SYMEVENT+0x7960 
Fast I/O routines:

FastIoCheckIfPossible                   f6b0cc90         SYMEVENT+0x3c90

FastIoRead                              f6b0cd70 SYMEVENT+0x3d70

FastIoWrite                             f6b0ce40 SYMEVENT+0x3e40

FastIoQueryBasicInfo                    f6b0cf10         SYMEVENT+0x3f10

FastIoQueryStandardInfo                 f6b0cfd0       SYMEVENT+0x3fd0

FastIoLock                              f6b0d090 SYMEVENT+0x4090

FastIoUnlockSingle                      f6b0d180          SYMEVENT+0x4180

FastIoUnlockAll                         f6b0d260            SYMEVENT+0x4260

FastIoUnlockAllByKey                    f6b0d320       SYMEVENT+0x4320

FastIoDeviceControl                     f6b0d3e0         SYMEVENT+0x43e0

AcquireFileForNtCreateSection           f6b0d4d0    SYMEVENT+0x44d0

ReleaseFileForNtCreateSection           f6b0d550    SYMEVENT+0x4550

FastIoDetachDevice                      f6b0d5d0        SYMEVENT+0x45d0

FastIoQueryNetworkOpenInfo              f6b0d610  SYMEVENT+0x4610

AcquireForModWrite                      f6b0dae0        SYMEVENT+0x4ae0

MdlRead                                 f6b0d6d0  SYMEVENT+0x46d0

MdlReadComplete                         f6b0d7f0         SYMEVENT+0x47f0

PrepareMdlWrite                         f6b0d8d0          SYMEVENT+0x48d0

MdlWriteComplete                        f6b0d9f0         SYMEVENT+0x49f0

FastIoReadCompressed                    f6b0db90     SYMEVENT+0x4b90

FastIoWriteCompressed                   f6b0dc80      SYMEVENT+0x4c80

MdlReadCompleteCompressed               f6b0dd70            SYMEVENT+0x4d70

MdlWriteCompleteCompressed              f6b0de20 SYMEVENT+0x4e20

FastIoQueryOpen                         f6b0dee0         SYMEVENT+0x4ee0

ReleaseForModWrite                      f6b0dfa0        SYMEVENT+0x4fa0

AcquireForCcFlush                       f6b0e040         SYMEVENT+0x5040

ReleaseForCcFlush                       f6b0e0e0         SYMEVENT+0x50e0