Minidump, unexpected shutdown.

M

Masterop512

Hi, how are you, I need your help to understand this Minidump, cause I have a lot of unexpected restarts on my server and I don't know why.

I have a Windows Storage Server with Storage spaces, with a lot of volumes shared using NFS and CIFS, this is the minidump for the last unexpected restart, this file reffers to a NFSSVR.SYS and memcpy,

regarding this article: memcpy, wmemcpy I want to understand if memocpy could be the reason for this restarts, I share a ntfs volumes using NFS with linux for zimbra and maybe this "kind of solution" was the problem for these restarts.

Thanks for your help.



SYSTEM_THREAD_EXCEPTION_NOT_HANDLED_M (1000007e)
This is a very common bugcheck. Usually the exception address pinpoints
the driver/function that caused the problem. Always note this address
as well as the link date of the driver/image that contains this address.
Some common problems are exception code 0x80000003. This means a hard
coded breakpoint or assertion was hit, but this system was booted
/NODEBUG. This is not supposed to happen as developers should never have
hardcoded breakpoints in retail code, but ...
If this happens, make sure a debugger gets connected, and the
system is booted /DEBUG. This will let us see why this breakpoint is
happening.
Arguments:
Arg1: ffffffffc0000005, The exception code that was not handled
Arg2: fffff80ef9dccf40, The address that the exception occurred at
Arg3: ffffb1812044fe18, Exception Record Address
Arg4: ffffb1812044f660, Context Record Address

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


KEY_VALUES_STRING: 1

Key : AV.Fault
Value: Read


PROCESSES_ANALYSIS: 1

SERVICE_ANALYSIS: 1

STACKHASH_ANALYSIS: 1

TIMELINE_ANALYSIS: 1


DUMP_CLASS: 1

DUMP_QUALIFIER: 400

BUILD_VERSION_STRING: 14393.3564.amd64fre.rs1_release.200303-1942

SYSTEM_MANUFACTURER: Dell Inc.

SYSTEM_PRODUCT_NAME: Dell EMC NX3240

SYSTEM_SKU: SKU=NotProvided;ModelName=Dell EMC NX3240

BIOS_VENDOR: Dell Inc.

BIOS_VERSION: 2.5.4

BIOS_DATE: 01/13/2020

BASEBOARD_MANUFACTURER: Dell Inc.

BASEBOARD_PRODUCT: 0923K0

BASEBOARD_VERSION: A00

DUMP_FILE_ATTRIBUTES: 0x8
Kernel Generated Triage Dump

DUMP_TYPE: 2

BUGCHECK_P1: ffffffffc0000005

BUGCHECK_P2: fffff80ef9dccf40

BUGCHECK_P3: ffffb1812044fe18

BUGCHECK_P4: ffffb1812044f660

EXCEPTION_CODE: (NTSTATUS) 0xc0000005 - La instrucci n en 0x%p hace referencia a la memoria en 0x%p. La memoria no se pudo %s.

FAULTING_IP:
nfssvr!memcpy+240
fffff80e`f9dccf40 f30f6f440af0 movdqu xmm0,xmmword ptr [rdx+rcx-10h]

EXCEPTION_RECORD: ffffb1812044fe18 -- (.exr 0xffffb1812044fe18)
ExceptionAddress: fffff80ef9dccf40 (nfssvr!memcpy+0x0000000000000240)
ExceptionCode: c0000005 (Access violation)
ExceptionFlags: 00000000
NumberParameters: 2
Parameter[0]: 0000000000000000
Parameter[1]: ffffffffffffffff
Attempt to read from address ffffffffffffffff

CONTEXT: ffffb1812044f660 -- (.cxr 0xffffb1812044f660)
rax=ffffd90b866d3d10 rbx=ffffd90b823a0158 rcx=ffffd90b866d3d10
rdx=45527038bee55578 rsi=ffffd90b866cf3c8 rdi=0000000000006c34
rip=fffff80ef9dccf40 rsp=ffffb18120450058 rbp=ffffb181204500e0
r8=0000000000000004 r9=000000000000024a r10=000000000000000f
r11=ffffd90b866cf3cc r12=00000000fffffffc r13=0000000000004948
r14=0000000000000000 r15=0000000000004944
iopl=0 nv up ei pl nz na pe nc
cs=0010 ss=0018 ds=002b es=002b fs=0053 gs=002b efl=00010202
nfssvr!memcpy+0x240:
fffff80e`f9dccf40 f30f6f440af0 movdqu xmm0,xmmword ptr [rdx+rcx-10h] ds:002b:45524944`45529278=????????????????????????????????
Resetting default scope

CPU_COUNT: 28

CPU_MHZ: 893

CPU_VENDOR: GenuineIntel

CPU_FAMILY: 6

CPU_MODEL: 55

CPU_STEPPING: 4

CPU_MICROCODE: 6,55,4,0 (F,M,S,R) SIG: 2000065'00000000 (cache) 2000065'00000000 (init)

CUSTOMER_CRASH_COUNT: 1

DEFAULT_BUCKET_ID: WIN8_DRIVER_FAULT_SERVER

PROCESS_NAME: System

CURRENT_IRQL: 0

FOLLOWUP_IP:
nfssvr!memcpy+240
fffff80e`f9dccf40 f30f6f440af0 movdqu xmm0,xmmword ptr [rdx+rcx-10h]

BUGCHECK_STR: AV

READ_ADDRESS: fffff800393a6338: Unable to get MiVisibleState
Unable to get NonPagedPoolStart
Unable to get NonPagedPoolEnd
Unable to get PagedPoolStart
Unable to get PagedPoolEnd
ffffffffffffffff

ERROR_CODE: (NTSTATUS) 0xc0000005 - La instrucci n en 0x%p hace referencia a la memoria en 0x%p. La memoria no se pudo %s.

EXCEPTION_CODE_STR: c0000005

EXCEPTION_PARAMETER1: 0000000000000000

EXCEPTION_PARAMETER2: ffffffffffffffff

ANALYSIS_SESSION_HOST: DESKTOP-J9K906D

ANALYSIS_SESSION_TIME: 04-26-2020 15:11:59.0112

ANALYSIS_VERSION: 10.0.18362.1 x86fre

LAST_CONTROL_TRANSFER: from fffff80ef9d3bf42 to fffff80ef9dccf40

STACK_TEXT:
ffffb181`20450058 fffff80e`f9d3bf42 : ffffb181`00000000 ffffd108`eeb8b5e8 ffffd109`5ad7c460 ffffd108`eeb8b5e8 : nfssvr!memcpy+0x240
ffffb181`20450060 fffff80e`f9cf367c : ffffd90b`00000000 ffffd90b`823a0010 00000000`00000000 fffff80e`f9dde988 : nfssvr!Nfs4SrvDcGetAttributes+0x1d6
ffffb181`20450110 fffff80e`f9ce9331 : ffffd90b`8489c000 00000000`0000001a 00000000`00000016 ffffd90b`8489c000 : nfssvr!Nfs4SrvOpReadDir+0x7bc
ffffb181`20450280 fffff80e`f9ce989c : ffffd90b`8489c000 ffffd109`72877400 00000000`00000000 ffffd109`728774a0 : nfssvr!Nfs4SrvCpProcessCompound+0x491
ffffb181`20450310 fffff80e`f9ce9a95 : ffffd109`728774a0 ffffd90b`8489c000 00000000`00000000 ffffd109`401f9550 : nfssvr!Nfs4SrvInPacketInternal+0x258
ffffb181`20450380 fffff80e`f9ce165c : 00000000`00000000 ffffb181`20450400 ffffd109`401f9550 ffffd109`401f9550 : nfssvr!Nfs4SrvDispatch+0x119
ffffb181`204503c0 fffff80e`f9c955ab : ffffd109`728774a0 ffffb181`20450480 00000000`00000000 ffffd109`728774a0 : nfssvr!NfsSrvMessage+0x578
ffffb181`20450450 fffff80e`f9ca10fa : ffffd108`00000000 00000000`00000000 ffffd108`ecf561c0 ffffd109`72877458 : rpcxdr!OncRpcMsgProcessMessage+0x4ab
ffffb181`204504c0 fffff800`3910a26d : ffffd109`21cc3600 ffffd109`21cc3600 00000000`00000080 fffff800`390a91e1 : rpcxdr!OncRpcWiMgrpWorker+0x23a
ffffb181`20450550 fffff800`39164896 : ffffb181`08380180 ffffd109`21cc3600 fffff800`3910a22c 00000000`00000000 : nt!PspSystemThreadStartup+0x41
ffffb181`204505a0 00000000`00000000 : ffffb181`20451000 ffffb181`2044a000 00000000`00000000 00000000`00000000 : nt!KiStartSystemThread+0x16


THREAD_SHA1_HASH_MOD_FUNC: bbe0d566a91d61a51fe9f2778dece18a1a9418f6

THREAD_SHA1_HASH_MOD_FUNC_OFFSET: dadaded6b2230d416e98adcd8ae501cc71b13813

THREAD_SHA1_HASH_MOD: b01161769614848e1fde4e741470bcbe934ca743

FAULT_INSTR_CODE: 446f0ff3

SYMBOL_STACK_INDEX: 0

SYMBOL_NAME: nfssvr!memcpy+240

FOLLOWUP_NAME: MachineOwner

MODULE_NAME: nfssvr

IMAGE_NAME: nfssvr.sys

DEBUG_FLR_IMAGE_TIMESTAMP: 5e4ceec5

IMAGE_VERSION: 10.0.14393.3541

STACK_COMMAND: .cxr 0xffffb1812044f660 ; kb

BUCKET_ID_FUNC_OFFSET: 240

FAILURE_BUCKET_ID: AV_nfssvr!memcpy

BUCKET_ID: AV_nfssvr!memcpy

PRIMARY_PROBLEM_CLASS: AV_nfssvr!memcpy

TARGET_TIME: 2020-04-26T07:45:27.000Z

OSBUILD: 14393

OSSERVICEPACK: 3564


2.11.0.0

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