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Windows 7: seemingly random blue screens and random codes

26 Apr 2012   #1

Windows 7 Home Premium 64bit
seemingly random blue screens and random codes

Hi ive recently been have a lot of random bsod and have been randomly freezing and restarting my system specs are
os-Windows 7 Home Premium 64bit
cp-AMD Phenom(tm) II X4 970 Processor x4
motherboard-asus m4a87td evo 870 crossfire ddr3 am3 usb 3.o sata 3 amd
memory-4gb (2gbx4) ddr3/1333MHz Dual channel Memory
graphics cards-2 amd radeon hd6850 1gb ddr5 pcie
sound card is built in motherboard
moniter-27" widescreen 1920x1080 asus ve276q lcd display
resolution-1952 1080
HDD 500gb sata 2 3.0 gb/s cache 7200RPM
HDD2 500gb sata 2 3.0 gb/s cache 7200RPM
psu-700 watts xtremegear sli/crossfireX ready
case-apvia x-plorer 2 midtower case
cooling-asetek 510lc 120MM water cooler
keyboard-thermaltake esports challenger pro
mouse-thermaltake esports Azurues
the computer is 1 year old and the os was re installed in February
every computer shop i have taken it to says its fine but when i take it home im greeted by a bsod

My System SpecsSystem Spec
27 Apr 2012   #2
Vir Gnarus

Microsoft Community Contributor Award Recipient

Windows 7 64-bit

I'm afraid we may very well be dealing with CPU failure here. A good majority of your crashdumps report very unusual behavior from the CPU, and one especially is evident of CPU problems when the crash is caused by a bad memory reference despite the fact that the instruction opcode that triggered it doesn't even attempt to touch memory!

Just to be sure, if you have your system overclocked in any way at all, please reset all of it to factory defaults. Uninstall all software that came with your motherboard, including any monitoring or overclocking software. Update the drivers for your video card, your motherboard and all its components and your BIOS, since everything I've found is well over a year old.

If none of that resolves your issue, then it's definitely time to start looking for a replacement CPU. The only other hardware I could see that might even remotely have a chance of causing this is the motherboard, but it's very seldom. Understand also that if you've inadvertently had your CPU running hot over extended periods of time, it will cause permanent damage that would simply slay any chance of using it reliably.


Pretty much all of them are odd in that the bugcheck claims one memory address is addressed wrong yet another completely different one is referred too by the faulting IP. However a couple, like this one (2nd to oldest) is a good example of some serious CPU problems:

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

An exception happened while executing a system service routine.
Arg1: 00000000c0000005, Exception code that caused the bugcheck
Arg2: fffff8000316335f, Address of the instruction which caused the bugcheck
Arg3: fffff8800a5f3f50, Address of the context record for the exception that caused the bugcheck
Arg4: 0000000000000000, zero.

Debugging Details:

TRIAGER: Could not open triage file : C:\Program Files (x86)\Windows Kits\8.0\Debuggers\x64\triage\modclass.ini, error 2

EXCEPTION_CODE: (NTSTATUS) 0xc0000005 - The instruction at 0x%08lx referenced memory at 0x%08lx. The memory could not be %s.

fffff800`0316335f 4885db          test    rbx,rbx

CONTEXT:  fffff8800a5f3f50 -- (.cxr 0xfffff8800a5f3f50)
rax=fffff8800a5f49d0 rbx=fffff8800a5f4a70 rcx=0000000000000000
rdx=0000000000000001 rsi=fffffa8006e9d570 rdi=fffff8800a5f49d0
rip=fffff8000316335f rsp=fffff8800a5f4930 rbp=00000000c0000024
 r8=0000000000000000  r9=0000000000000030 r10=fffffa8006ea51c0
r11=fffffa800a274900 r12=0000000000000001 r13=0000000000000000
r14=00000000006bf170 r15=fffffa8008819b90
iopl=0         nv up ei pl zr na po nc
cs=0010  ss=0018  ds=002b  es=002b  fs=0053  gs=002b             efl=00010246
fffff800`0316335f 4885db          test    rbx,rbx
Resetting default scope




PROCESS_NAME:  SteamService.e


LAST_CONTROL_TRANSFER:  from 0000000000000000 to fffff8000316335f

fffff880`0a5f4930 00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : nt!SeDeleteAccessState+0x3b

fffff800`0316335f 4885db          test    rbx,rbx


SYMBOL_NAME:  nt!SeDeleteAccessState+3b

FOLLOWUP_NAME:  MachineOwner


IMAGE_NAME:  ntkrnlmp.exe


STACK_COMMAND:  .cxr 0xfffff8800a5f3f50 ; kb

FAILURE_BUCKET_ID:  X64_0x3B_nt!SeDeleteAccessState+3b

BUCKET_ID:  X64_0x3B_nt!SeDeleteAccessState+3b

Followup: MachineOwner
When looking up the TEST opcode in the AMD Developer Manual, Volume 3, it describes that the TEST opcode will accept either a memory address reference or a register and simply perform a bitwise logical AND operation on it with the other operand. We can evidently see here that neither the first nor second operand for this is using a memory address, but rather the register rbx. If it were a memory address, rbx would be in brackets signifying that the value in rbx is a memory address that it should reference. There is no memory reference here, yet this is what caused the fault by accessing bad memory. I've only seen this so far in cases regarding motherboard of CPU problems, with CPU most frequent.
My System SpecsSystem Spec
27 Apr 2012   #3

Windows 7 Home Premium 64bit

Im sorry to ask this but im not good at updating/drivers/bios or any of that could you please give step by step directions like do i need to install the most resont or every single driver to date?
My System SpecsSystem Spec

30 Apr 2012   #4
Vir Gnarus

Microsoft Community Contributor Award Recipient

Windows 7 64-bit

This system is custom-built, yes? If so, you will need to go to the manufacturer website for your motherboard (Asus) and download the updated drivers and BIOS specifically for your motherboard there. Also note their list of software, which you can use to figure out which motherboard software is installed on your PC (if any) that you'll need to uninstall.

Be aware that this most likely is not the problem, and that you just have a bad CPU.
My System SpecsSystem Spec

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