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Windows 7: Newly Built System - Windows 7 BSOD.

09 Sep 2009   #11

Windows 7 Ultimate x64

Have a look at this information, from the Microsoft Developer Network that describes what STOP 0x7F means: Bug Check 0x7F: UNEXPECTED_KERNEL_MODE_TRAP.

The first parameter of the bug check in your case is 0x00000008, which means the following:

0x00000008, or Double Fault, indicates that an exception occurs during a call to the handler for a prior exception. Typically, the two exceptions are handled serially. However, there are several exceptions that cannot be handled serially, and in this situation the processor signals a double fault. There are two common causes of a double fault:
  • A kernel stack overflow. This overflow occurs when a guard page is hit, and the kernel tries to push a trap frame. Because there is no stack left, a stack overflow results, causing the double fault. If you think this overview has occurred, use the !thread debugger extension to determine the stack limits, and then use the kb (Display Stack Backtrace) debugger command with a large parameter (for example, kb 100) to display the full stack.
  • A hardware problem.
Go through the rest of the information on the MSDN website. It may help isolate what is causing this error.

On a related note, I've seen STOP 0x7F numerous times on computers where users have installed BETA drivers, or incompatible "Virtual CD/DVD" drivers. If this is your case, try uninstalling the program, and then locate and install an updated (7-compatible) version.

My System SpecsSystem Spec
10 Sep 2009   #12

Windows 7 Professional

Ugh a hardware issue? Well isn't that just great to know....hmmm, is there a possible way to tell what part might be causing the issue? I am thinking either the cpu or the gpu can be faulty?
My System SpecsSystem Spec
10 Sep 2009   #13

Windows 7 Ultimate x64

Remove all "additional" hardware you may have installed, including your graphics card (unless your motherboard is not equipped with an onboard gpu).

Overheating or incorrect overclocking can also cause "hardware issues"...
My System SpecsSystem Spec

10 Sep 2009   #14

Windows 8.1 Pro RTM x64

I've just had a look at the motherboard manual. There is no on-board graphics, so check which slot you have inserted your graphics card in. It should be in the first slot, nearest the CPU.
My System SpecsSystem Spec
10 Sep 2009   #15

Win 8 Release candidate 8400

Quote   Quote: Originally Posted by Crimson1987 View Post
Ugh a hardware issue? Well isn't that just great to know....hmmm, is there a possible way to tell what part might be causing the issue? I am thinking either the cpu or the gpu can be faulty?

After a q2quick look at the dump file the bsod was caused by netIO.sys there isnt a whole lot of info on the reason netio failed but I would try disconnecting any hware that isnt critical like external usb HD, etc. I would also look at the date on netio.sys file to make sure it is current. you can search for it. When one of our true debugging gurus look at the dubegging info they may be able to give you more info.


Microsoft (R) Windows Debugger Version 6.11.0001.404 X86
Copyright (c) Microsoft Corporation. All rights reserved.

Loading Dump File [C:\Users\K\Desktop\090909-21418-01.dmp]
Mini Kernel Dump File: Only registers and stack trace are available

Symbol search path is: SRV*d:\symbols*Symbol information
Executable search path is:
Windows 7 Kernel Version 7600 MP (4 procs) Free x64
Product: WinNt, suite: TerminalServer SingleUserTS
Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Machine Name:
Kernel base = 0xfffff800`02a11000 PsLoadedModuleList = 0xfffff800`02c4ee50
Debug session time: Wed Sep 9 21:16:38.278 2009 (GMT-4)
System Uptime: 0 days 0:08:58.964
Loading Kernel Symbols
Loading User Symbols
Loading unloaded module list
* *
* Bugcheck Analysis *
* *

Use !analyze -v to get detailed debugging information.

BugCheck 7F, {8, 80050031, 6f8, fffff80002a885a2}

Probably caused by : NETIO.SYS ( NETIO!CompareSecurityContexts+6a )

Followup: MachineOwner

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

This means a trap occurred in kernel mode, and it's a trap of a kind
that the kernel isn't allowed to have/catch (bound trap) or that
is always instant death (double fault). The first number in the
bugcheck params is the number of the trap (8 = double fault, etc)
Consult an Intel x86 family manual to learn more about what these
traps are. Here is a *portion* of those codes:
If kv shows a taskGate
use .tss on the part before the colon, then kv.
Else if kv shows a trapframe
use .trap on that value
.trap on the appropriate frame will show where the trap was taken
(on x86, this will be the ebp that goes with the procedure KiTrap)
kb will then show the corrected stack.
Arg1: 0000000000000008, EXCEPTION_DOUBLE_FAULT
Arg2: 0000000080050031
Arg3: 00000000000006f8
Arg4: fffff80002a885a2

Debugging Details:






LAST_CONTROL_TRANSFER: from fffff80002a82469 to fffff80002a82f00

fffff880`02f69ce8 fffff800`02a82469 : 00000000`0000007f 00000000`00000008 00000000`80050031 00000000`000006f8 : nt!KeBugCheckEx
fffff880`02f69cf0 fffff800`02a80932 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : nt!KiBugCheckDispatch+0x69
fffff880`02f69e30 fffff800`02a885a2 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : nt!KiDoubleFaultAbort+0xb2
fffff880`02f86000 fffff800`02a4b842 : fffffa80`08ea8080 00000000`00000001 00000000`00000000 fffffa80`049b47c8 : nt!SeAccessCheckWithHint+0x312
fffff880`02f860e0 fffff880`015a1c5a : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : nt!SeAccessCheckFromState+0x102
fffff880`02f867d0 fffff880`0159f94f : 00000000`c0000022 00000000`00000000 00000000`00000000 00000000`00000000 : NETIO!CompareSecurityContexts+0x6a
fffff880`02f86840 fffff880`015a19b5 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : NETIO!MatchValues+0xef
fffff880`02f86890 fffff880`015a1845 : fffffa80`08a0d7a0 fffffa80`08e022a0 fffff880`02f86ab8 fffff880`02f871f0 : NETIO!FilterMatch+0x95
fffff880`02f868e0 fffff880`015a2ccb : 00000000`00000000 00000000`00000000 fffff880`02f871f0 fffff880`02f86aa0 : NETIO!IndexListClassify+0x69
fffff880`02f86960 fffff880`0163e4d0 : fffff880`02f871f0 fffff880`02f86e38 fffff880`02f87b70 fffffa80`04aa3030 : NETIO!KfdClassify+0xa4e
fffff880`02f86cd0 fffff880`0163777e : fffff880`01746690 00000000`00000000 fffffa80`08970430 00000000`00000000 : tcpip!WfpAleClassify+0x50
fffff880`02f86d10 00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : tcpip!WfpAlepAuthorizeSend+0x94e


fffff880`015a1c5a 448b442470 mov r8d,dword ptr [rsp+70h]


SYMBOL_NAME: NETIO!CompareSecurityContexts+6a





FAILURE_BUCKET_ID: X64_0x7f_8_NETIO!CompareSecurityContexts+6a

BUCKET_ID: X64_0x7f_8_NETIO!CompareSecurityContexts+6a

Followup: MachineOwner

My System SpecsSystem Spec
10 Sep 2009   #16

Microsoft Community Contributor Award Recipient

MS Windows 7 Professional 64-bit SP1

Check to see if your memory is getting the right amount of volts in your bios, most memory is either 1.8v or 2.0v

Good Luck
My System SpecsSystem Spec
10 Sep 2009   #17

Windows 7 Professional

Hey, guys thanks for all of the information and tips. I have reinstalled the Drivers on my ATI card and left it running on all night (acutally I went to throw in my old nvidia card which I have running on my vista machine, and realized I did not fully uninstall my ati drivers and just tossed the ati card back in), have not got any BSOD's as of yet. I have been looking up on the netIO.sys file and it seems to be some kinda of network driver? My motherboard has 2 ethernet ports. I have net cables plugged into both of them. Do you thinkg that can be casuing an issue?

I have not looked at the netio.sys file as of yet, when I get the time to look at it, what exactly am I looking for? Since it is a .sys file how am I going to open it to check the date as Ken mentioned? Also, can external usb devices like a mouse or keyboard drivers cause this problem or is this error message always related to a hardware problem rather than a incompatible driver? Thanks.

My System SpecsSystem Spec
10 Sep 2009   #18

Windows 7 Professional

Just an update for you guys. I did some more reading on that NetIO.Sys and it seems to relate to the network adapter? So I went into my device manager and updated the drivers on that. Windows actually found new drivers for it and so far no BSOD. So I am hoping that everything is ok.

However, if anyone else cares to look at the dmp file that I posted and give me more suggestions I would appreciate the feedback. Thanks!

My System SpecsSystem Spec

 Newly Built System - Windows 7 BSOD.

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