Hi all,
My team were working on the BIOS implementation of ucsi in which they have updated the ACPI update for the type c connector in which inbox driver uses that driver(ucmucsi.sys).
case1: when i connect it run time time i got BSOD of PAGE_FAULT_IN_NONPAGED_AREA (50)
and then i got the dump file and anlyzed in windbg it shows the pdm state change but how i can resolve this error.
Windbg :
*******************************************************************************
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: ffffe00582d01d2c, memory referenced.
Arg2: 0000000000000000, value 0 = read operation, 1 = write operation.
Arg3: fffff801025a3310, 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: unable to get nt!MmSpecialPoolStart
unable to get nt!MmSpecialPoolEnd
unable to get nt!MmPoolCodeStart
unable to get nt!MmPoolCodeEnd
ffffe00582d01d2c
FAULTING_IP:
UcmCx!UcmConnectorPdConnectionStateChangedInternal+17c
fffff801`025a3310 418b2c81 mov ebp,dword ptr [r9+rax*4]
MM_INTERNAL_CODE: 2
CUSTOMER_CRASH_COUNT: 1
DEFAULT_BUCKET_ID: VISTA_DRIVER_FAULT
BUGCHECK_STR: 0x50
PROCESS_NAME: System
CURRENT_IRQL: 0
LAST_CONTROL_TRANSFER: from fffff80058d7b095 to fffff80058d5c480
STACK_TEXT:
ffffd000228cf3d8 fffff800
58d7b095 : 0000000000000050 ffffe005
82d01d2c 0000000000000000 ffffd000
228cf630 : nt!KeBugCheckEx
ffffd000228cf3e0 00000000
00000000 : 0000000000000000 00000000
00000000 0000000000000000 00000000
00000000 : nt! ?? ::FNODOBFM::`string’+0x10295
STACK_COMMAND: .bugcheck ; kb
FOLLOWUP_IP:
UcmCx!UcmConnectorPdConnectionStateChangedInternal+17c
fffff801`025a3310 418b2c81 mov ebp,dword ptr [r9+rax*4]
SYMBOL_NAME: UcmCx!UcmConnectorPdConnectionStateChangedInternal+17c
FOLLOWUP_NAME: MachineOwner
MODULE_NAME: UcmCx
IMAGE_NAME: UcmCx.sys
DEBUG_FLR_IMAGE_TIMESTAMP: 5632d8ec
FAILURE_BUCKET_ID: X64_0x50_UcmCx!UcmConnectorPdConnectionStateChangedInternal+17c
BUCKET_ID: X64_0x50_UcmCx!UcmConnectorPdConnectionStateChangedInternal+17c
Followup: MachineOwner
I dont have control over the inbox driver.
Is any one help on this ?
Regards,
Prabhakar V