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Windows 7: Two BSODs within an hour. page_fault_in_nonpaged_area

26 Jan 2015   #1
Whats in a name

Window 7 x64 Ultimate
Two BSODs within an hour. page_fault_in_nonpaged_area

Just started getting BSODs, first I thought it was a one off as I very rarely if ever receive them.
The second one within an hour spooked me.
I haven't done anything unusual, I was just browsing while listening to music. I had two external drives plugged into my front USB 3.0 ports (Fractal Design Define 4) for the first time in about a week, but I never had issues with this before.
Enclosed are the .dmp files

In Blue-screen-view the first dump has 2 lines in red referencing ntoskrnl.exe and usbehci.sys respectively.
The second dump also has 2 red lines referencing ntoskrnl.exe and aswHwid.sys respectively.

Thanks for reading!

My System SpecsSystem Spec
29 Jan 2015   #2

Microsoft Community Contributor Award Recipient

Windows 10 Home 64Bit


Please remove Avast! for testing purpose.

Microsoft (R) Windows Debugger Version 6.3.9600.16384 X86
Copyright (c) Microsoft Corporation. All rights reserved.

Loading Dump File [C:\Users\YUSRA\Downloads\Compressed\Minidumps\012615-7191-01.dmp]
Mini Kernel Dump File: Only registers and stack trace are available

************* Symbol Path validation summary **************
Response                         Time (ms)     Location
Deferred                                       SRV*c:\symbols*
Symbol search path is: SRV*c:\symbols*
Executable search path is: 
Windows 7 Kernel Version 7601 (Service Pack 1) MP (4 procs) Free x64
Product: WinNt, suite: TerminalServer SingleUserTS
Built by: 7601.18700.amd64fre.win7sp1_gdr.141211-1742
Machine Name:
Kernel base = 0xfffff800`02e5e000 PsLoadedModuleList = 0xfffff800`030a1890
Debug session time: Tue Jan 27 03:15:23.244 2015 (UTC + 6:00)
System Uptime: 0 days 0:52:25.430
Loading Kernel Symbols

Press ctrl-c (cdb, kd, ntsd) or ctrl-break (windbg) to abort symbol loads that take too long.
Run !sym noisy before .reload to track down problems loading symbols.

Loading User Symbols
Loading unloaded module list
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *

Use !analyze -v to get detailed debugging information.

BugCheck 50, {fffff30019b78670, 1, fffff80002ed7140, 7}

*** WARNING: Unable to verify timestamp for aswSnx.sys
*** ERROR: Module load completed but symbols could not be loaded for aswSnx.sys

Could not read faulting driver name
Probably caused by : aswSnx.sys ( aswSnx+27f3d )

Followup: MachineOwner

0: kd> !analyze -v
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *

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.
Arg1: fffff30019b78670, memory referenced.
Arg2: 0000000000000001, value 0 = read operation, 1 = write operation.
Arg3: fffff80002ed7140, If non-zero, the instruction address which referenced the bad memory
Arg4: 0000000000000007, (reserved)

Debugging Details:

Could not read faulting driver name

WRITE_ADDRESS: GetPointerFromAddress: unable to read from fffff8000310b100
GetUlongFromAddress: unable to read from fffff8000310b1c0
 fffff30019b78670 Nonpaged pool

fffff800`02ed7140 480fc311        movnti  qword ptr [rcx],rdx





PROCESS_NAME:  explorer.exe


ANALYSIS_VERSION: 6.3.9600.16384 (debuggers(dbg).130821-1623) x86fre

TRAP_FRAME:  fffff8800c518930 -- (.trap 0xfffff8800c518930)
NOTE: The trap frame does not contain all registers.
Some register values may be zeroed or incorrect.
rax=fffff30019b78670 rbx=0000000000000000 rcx=fffff30019b78670
rdx=0000000000000000 rsi=0000000000000000 rdi=0000000000000000
rip=fffff80002ed7140 rsp=fffff8800c518ac8 rbp=0000000000000001
 r8=0000000000000010  r9=00000015ffd29326 r10=0000000000000000
r11=0000000000000040 r12=0000000000000000 r13=0000000000000000
r14=0000000000000000 r15=0000000000000000
iopl=0         nv up ei pl nz na pe nc
fffff800`02ed7140 480fc311        movnti  qword ptr [rcx],rdx ds:fffff300`19b78670=????????????????
Resetting default scope

LAST_CONTROL_TRANSFER:  from fffff80002f5058b to fffff80002ed4e80

fffff880`0c5187c8 fffff800`02f5058b : 00000000`00000050 fffff300`19b78670 00000000`00000001 fffff880`0c518930 : nt!KeBugCheckEx
fffff880`0c5187d0 fffff800`02ed2fae : 00000000`00000001 fffff300`19b78670 fffffa80`09587600 00000000`00000000 : nt! ?? ::FNODOBFM::`string'+0x43781
fffff880`0c518930 fffff800`02ed7140 : fffff800`03196c03 fffffa80`00000000 fffffa80`0000e5c4 fffffa80`00000000 : nt!KiPageFault+0x16e
fffff880`0c518ac8 fffff800`03196c03 : fffffa80`00000000 fffffa80`0000e5c4 fffffa80`00000000 00000000`00010200 : nt!memset+0xb0
fffff880`0c518ad0 fffff800`031d2226 : fffffa80`0b0ec5c0 00000000`00000000 00000000`00000002 fffff880`0c518d90 : nt!MiCreateImageFileMap+0x847
fffff880`0c518d00 fffff800`031aee4e : fffff880`0c518f50 00000000`00000000 00000000`00000000 fffff880`0c518f48 : nt!MmCreateSection+0x836
fffff880`0c518f00 fffff880`0707df3d : 00000000`00000000 fffff880`0c519088 00000000`00000000 00000000`00000008 : nt!NtCreateSection+0x171
fffff880`0c518f80 00000000`00000000 : fffff880`0c519088 00000000`00000000 00000000`00000008 fffffa80`00000002 : aswSnx+0x27f3d


fffff880`0707df3d ??              ???


SYMBOL_NAME:  aswSnx+27f3d

FOLLOWUP_NAME:  MachineOwner


IMAGE_NAME:  aswSnx.sys


FAILURE_BUCKET_ID:  X64_0x50_aswSnx+27f3d

BUCKET_ID:  X64_0x50_aswSnx+27f3d


FAILURE_ID_HASH_STRING:  km:x64_0x50_aswsnx+27f3d

FAILURE_ID_HASH:  {94ab50d4-4ec8-1418-7562-131bbbd51964}

Followup: MachineOwner

0: kd> lmvm aswSnx
start             end                 module name
fffff880`07056000 fffff880`0715a000   aswSnx   T (no symbols)           
    Loaded symbol image file: aswSnx.sys
    Image path: aswSnx.sys
    Image name: aswSnx.sys
    Timestamp:        Fri Nov 21 17:17:12 2014 (546F1F38)
    CheckSum:         00102CB2
    ImageSize:        00104000
    Translations:     0000.04b0 0000.04e4 0409.04b0 0409.04e4
Revo Uninstaller:

Use Revo Uninstaller to uninstall stubborn software.

Microsoft Security Essentials is recommended from a strict BSOD perspective, compatibility & stability compared to other internet security software. Malwarebytes is a great combo to MSE. They are free and lightweight.

Also uninstall your existing Antivirus software before you install MSE.

Good and Free system security combination.

warning   Warning
Do not start the free trial of Malware Bytes; remember to deselect that option when prompted.

My System SpecsSystem Spec
31 Jan 2015   #3
Whats in a name

Window 7 x64 Ultimate

thanks. I've followed the advice and will report back if I get any more BSODs
My System SpecsSystem Spec


 Two BSODs within an hour. page_fault_in_nonpaged_area

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