Here is the analysis of the minidump file you provided:
*******************************************************************************
* *
* Bugcheck Analysis *
* *
*******************************************************************************
Use !analyze -v to get detailed debugging information.
BugCheck 50, {fffffffff66c0000, 0, fffff88000ef2fea, 2}
Unable to load image \SystemRoot\system32\DRIVERS\mafw.sys, Win32 error 0n2
*** WARNING: Unable to verify timestamp for mafw.sys*** ERROR: Module load completed but symbols could not be loaded for mafw.sys
Could not read faulting driver name
Probably caused by : 1394ohci.sys ( 1394ohci!IoWorkers::Create+41f )
Followup: MachineOwner
0: kd> !analyze -v
*******************************************************************************
* *
* Bugcheck Analysis *
* *
*******************************************************************************
PAGE_FAULT_IN_NONPAGED_AREA (50)
Invalid system memory was referenced. This cannot be protected by try-except,
it must be protected by a Probe. Typically the address is just plain bad or it
is pointing at freed memory.
Arguments:
Arg1: fffffffff66c0000, memory referenced.
Arg2: 0000000000000000, value 0 = read operation, 1 = write operation.
Arg3: fffff88000ef2fea, If non-zero, the instruction address which referenced the bad memory
address.
Arg4: 0000000000000002, (reserved)
Debugging Details:
Could not read faulting driver name
READ_ADDRESS: GetPointerFromAddress: unable to read from fffff80002ef60e0
fffffffff66c0000
FAULTING_IP:
Wdf01000!imp_WdfObjectDelete+66
fffff880`00ef2fea 66394108 cmp word ptr [rcx+8],ax
MM_INTERNAL_CODE: 2
DEFAULT_BUCKET_ID: VISTA_DRIVER_FAULT
BUGCHECK_STR: 0x50
PROCESS_NAME: audiodg.exe
CURRENT_IRQL: 0
TRAP_FRAME: fffff8800e1f1500 -- (.trap 0xfffff8800e1f1500)
NOTE: The trap frame does not contain all registers.
Some register values may be zeroed or incorrect.
rax=0000000000001000 rbx=0000000000000000 rcx=fffffffff66bfff8
rdx=0000000000000000 rsi=0000000000000000 rdi=0000000000000000
rip=fffff88000ef2fea rsp=fffff8800e1f1690 rbp=00000000c000009a
r8=0000000000000000 r9=00000000000001e0 r10=fffff80002e3a1e0
r11=fffffa8007f15670 r12=0000000000000000 r13=0000000000000000
r14=0000000000000000 r15=0000000000000000
iopl=0 nv up ei pl zr na po nc
Wdf01000!imp_WdfObjectDelete+0x66:
fffff88000ef2fea 66394108 cmp word ptr [rcx+8],ax ds:5680:fffffffff66c0000=????
Resetting default scope
LAST_CONTROL_TRANSFER: from fffff80002d3dbc2 to fffff80002cbff00
STACK_TEXT:
fffff8800e1f1398 fffff80002d3dbc2 : 0000000000000050 fffffffff66c0000 0000000000000000 fffff8800e1f1500 : nt!KeBugCheckEx
fffff8800e1f13a0 fffff80002cbdfee : 0000000000000000 0000000009940000 0000000000000000 000000000000384b : nt! ?? ::FNODOBFM::`string'+0x40f90
fffff8800e1f1500 fffff88000ef2fea : 0000057ff80ea978 00000000c000009a 0000000000000000 fffffa8005f32820 : nt!KiPageFault+0x16e
fffff8800e1f1690 fffff8800428e67f : fffffa8007f15680 fffffa80061192c8 0000000000000001 fffffa8006119250 : Wdf01000!imp_WdfObjectDelete+0x66
fffff8800e1f16e0 fffff88004298f40 : 0000057ff825b5c8 0000000000000006 0000000000000006 fffff88000000000 : 1394ohci!IoWorkers::Create+0x41f
fffff8800e1f17a0 fffff880042912d4 : 0000000000000000 0000000000000002 0000000000000002 0000000000000000 : 1394ohci!IsochTx::Create+0x364
fffff8800e1f18d0 fffff88004290cf5 : 0000057ff89f1468 0000057ffa083618 0000057ff849f868 0000000000000028 : 1394ohci!Isoch::HandleIsochAllocateResources+0x264
fffff8800e1f1980 fffff88000edf047 : fffffa800760eb90 fffffa8005f32820 fffffa8005f32820 0000000000000000 : 1394ohci!Isoch::WdfEvtIoInternalDeviceControl+0x131
fffff8800e1f19f0 fffff88000ede99f : fffffa8005f7c9e0 fffffa800760eb90 fffffa8005f7c9e0 fffffa800760ec00 : Wdf01000!FxIoQueue::DispatchRequestToDriver+0x56f
fffff8800e1f1a70 fffff88000ede1ab : fffffa8005f7c9e0 0000000000000000 0000000000000000 0000000000000000 : Wdf01000!FxIoQueue::DispatchEvents+0x4df
fffff8800e1f1ae0 fffff88000edcf1e : 0000000000000000 fffffa8005f748d0 fffffa8005f7c9e0 fffffa800760ecb8 : Wdf01000!FxIoQueue::QueueRequestFromForward+0x1f7
fffff8800e1f1b40 fffff88000edd555 : 8100001203000700 8100001517010046 fffffa8005f748d0 0004bb4ed4000006 : Wdf01000!FxIoQueue::ForwardRequestWorker+0x17a
fffff8800e1f1bb0 fffff88000ebacd6 : 0004aad031300000 fffffa8005f32820 0000000000000000 0000000000000000 : Wdf01000!FxIoQueue::ForwardRequest+0x185
fffff8800e1f1c20 fffff8800428d440 : fffffa8005f7c9e0 0000057ff89f1468 fffffa800760eb90 fffffa8005f74c80 : Wdf01000!imp_WdfRequestForwardToIoQueue+0x12e
fffff8800e1f1c70 fffff8800428d181 : 0000057ff89f1468 0000057ffa08b728 0000000000000028 fffffa8005f74c80 : 1394ohci!Dispatch::DispatchIrbRequest+0xa8
fffff8800e1f1cc0 fffff88000edf047 : fffffa800760eb90 fffffa8005f32820 fffffa8005f32820 0000000000000000 : 1394ohci!Dispatch::WdfEvtIoInternalDeviceControl+0x131
fffff8800e1f1d30 fffff88000ede99f : fffffa800760eb90 fffffa800760eb90 fffffa8005f748d0 fffffa8005f748d0 : Wdf01000!FxIoQueue::DispatchRequestToDriver+0x56f
fffff8800e1f1db0 fffff88000eddf98 : 0000000000000000 0000000000000000 0000000000000000 fffffa800760ece2 : Wdf01000!FxIoQueue::DispatchEvents+0x4df
fffff8800e1f1e20 fffff88000ee3558 : fffffa8007740b00 fffffa800760eb90 fffffa80077409e0 fffffa800760eb90 : Wdf01000!FxIoQueue::QueueRequest+0x2bc
fffff8800e1f1e90 fffff88000ecd245 : fffffa800760eb90 0000000000000000 0000000000000000 0000057ffab7bd48 : Wdf01000!FxPkgIo::Dispatch+0x37c
fffff8800e1f1f10 fffff88000eb96d0 : 0000000000000000 0000000000000000 0000057ffab7bd48 fffff8800e1f1fc0 : Wdf01000!FxDevice::Dispatch+0xa9
fffff8800e1f1f40 fffff8800428ad0c : fffffa8005f32970 fffffa80054842b0 fffffa8006ae9a20 fffffa8006ae7fc0 : Wdf01000!imp_WdfRequestSend+0x37c
fffff8800e1f1f90 fffff8800428af2b : fffffa8007f30580 0000057ffab7bd48 0000057ffab7bd48 0000057ff95163a8 : 1394ohci!ChildDevice::DispatchIrbRequest+0x60
fffff8800e1f1fe0 fffff88004289f0d : 0000057ffab7bd48 0000057ff95163a8 0000000000000028 fffffa8006ae7fc0 : 1394ohci!ChildDevice::HandleIrbRequest+0x1c3
fffff8800e1f2020 fffff88000edf047 : fffffa80054842b0 fffffa8005f32820 fffffa8005f32820 fffff8800533c110 : 1394ohci!ChildDevice::WdfEvtIoInternalDeviceControl+0x141
fffff8800e1f2090 fffff88000ede99f : 0000000000000000 fffffa80054842b0 fffffa8006ae9c50 fffffa8006ae9c50 : Wdf01000!FxIoQueue::DispatchRequestToDriver+0x56f
fffff8800e1f2110 fffff88000eddf98 : 0000000000000000 0000000000000000 0000000000000000 fffffa8005484402 : Wdf01000!FxIoQueue::DispatchEvents+0x4df
fffff8800e1f2180 fffff88000ee3558 : fffffa8007740b00 fffffa80054842b0 fffffa80077409e0 fffffa80054842b0 : Wdf01000!FxIoQueue::QueueRequest+0x2bc
fffff8800e1f21f0 fffff88000ecd245 : fffffa80054842b0 fffffa80077409e0 fffffa8007f30580 fffffa8006d82000 : Wdf01000!FxPkgIo::Dispatch+0x37c
fffff8800e1f2270 fffff8800697d50d : 0000000000000000 fffff80002e4d888 0000000000000000 fffff80002ccf0a1 : Wdf01000!FxDevice::Dispatch+0xa9
fffff8800e1f22a0 0000000000000000 : fffff80002e4d888 0000000000000000 fffff80002ccf0a1 fffff88000000000 :
**mafw+**0xc50d
STACK_COMMAND: kb
FOLLOWUP_IP:
1394ohci!IoWorkers::Create+41f
fffff880`0428e67f 4883c318 add rbx,18h
SYMBOL_STACK_INDEX: 4
SYMBOL_NAME: 1394ohci!IoWorkers::Create+41f
FOLLOWUP_NAME: MachineOwner
MODULE_NAME: 1394ohci
IMAGE_NAME: 1394ohci.sys
DEBUG_FLR_IMAGE_TIMESTAMP: 4a5bcc30
FAILURE_BUCKET_ID: X64_0x50_1394ohci!IoWorkers::Create+41f
BUCKET_ID: X64_0x50_1394ohci!IoWorkers::Create+41f
Followup: MachineOwner
I've bolded where the mafw.sys is referenced.
In the STACK_TEXT field I've bolded the mafw driver which is the first driver listed and accesses memory ahead of the Wdf01000.sys and the 1394ohci.sys thus the mafw.sys is probably causing the issue.