Windows 8 and 8.1 Forums

Windows 8 ntoskrnl.exe BSoD

  1. #11

    Here are the results from CPU-Z. I am going out for a bit and will run memtest86 on a stick of RAM while Im out. I look forward to your response!

      My System SpecsSystem Spec

  2. #12

    Tropical Island Pair a Dice
    Posts : 3,030
    Windows 8.1 Pro x64/ Windows 7 Ult x64

    This is a link to a tutorial that explains how to post the pictures needed, it will save time and not force us to download files.
    Click here > Screenshots and Files - Upload and Post in Eight Forums <
    This will also let others see the information and possible help with this thread or help someone else with a similar issue.
    The 'Speccy' link was for you to use, so you can finish filling out your "System Specs".
    Can you complete them now?

    You can Run memtest86+ again, one card at a time, for 7 full passes each test, if you want. Or we can make a couple BIOS adjustments now and you can run memtest86+ on all four cards to check if the settings helped.

    Let me know what you want to do.

    Your CPUZ tabs.
    Attachment 12220 Attachment 12221
    Attachment 12222 Attachment 12223

    You still haven't given the BIOS voltage information requested in Post #3.
    Go to your BIOS and tell us what the CPU, RAM and the CPU integrated memory controller voltages are.
    These are the voltage that you may need to change, depending on what they are set at now.
    When you give the information requested, then I can give you the adjustments.

    Did you overclock this yourself?
    I see several issues just from your CPUZ tabs.
    If you are not familiar with your BIOS, know how to find the information requested, download your manual.
    Click here >Asus P8Z68-V/GEN3<
    If you have any questions on how to find the voltage settings, ask.
    VCCIO is the IMC (CPU Integrated Memory Controller) voltage.
    Last edited by Dave76; 02 Dec 2012 at 05:55.
      My System SpecsSystem Spec

  3. #13

    Hi Dave,

    sorry for being dense re the screenshots, I'll post any further info as a screenshot.

    Right so I have run memtest over 7 times on all 4 sticks individually and in their original slots and only one of them showed any errors. I then tested the stick with errors on another slot and it came up with a single error (interestingly on one of the same tests it had previously failed). I am currently running on the two sticks and slots that came up clean and, touch wood, my machine has not blue screened... yet. I will leave the machine running HeavyLoad overnight and will let you know if it survives. I am also still running verifier.

    I have had a look at my voltages and they are:
    DRAM - 1.506v
    CPU - 1.120v Offset Mode
    VCCIO - Auto

    I had a tinker with overclocking my 2600K as I had heard it was relativly simple to achieve. I used this guide:
    P67 Sandy Bridge Overclocking Guide For Beginners
    My system isnt overclocked at the moment though and Im pretty sure I didn't adjust the RAM.

    My Nvidia driver is the latest: 306.97

    So do you think it is just a faulty stick or is this settings related? Can you see something in my configuration that is causing instability?

    Thanks a lot of your help.

      My System SpecsSystem Spec

  4. #14

    Bah, didn't survive the night. WhoCrash tells me it has started crashing every 20 odd minutes again. What shall I do now?
      My System SpecsSystem Spec

  5. #15

    Quote Originally Posted by tingsagwaan View Post
    Bah, didn't survive the night. WhoCrash tells me it has started crashing every 20 odd minutes again. What shall I do now?
    Return your bios to stock speeds and setting and retest.

    Should show if it's a hardware problem. Although looking at some of the screenies looks like an OC issue.

    But at least it will rule faulty HW in or out.
      My System SpecsSystem Spec

  6. #16

    Tropical Island Pair a Dice
    Posts : 3,030
    Windows 8.1 Pro x64/ Windows 7 Ult x64

    Just to confirm, did you run memtest86+ and not another RAM test from inside Windows 8?
    If you had one RAM card fail memtest86+, it's bad and needs to be replaced, settings adjustment won't help.

    As mentioned, leave all BIOS settings at default until your system is stable.

    Post the crash report files.
    If you have Driver Verifier enabled, these crashes should point to the driver(s) that are causing problems. That is what Driver Verifier is suppose to do, stress your drivers to force a crash so we can find out which one(s) are causing the instability.

    There is a problem if your CPU is running at 4.4GHz and the Vcore is 0.848v.
      My System SpecsSystem Spec

  7. #17

    I did run memtest86+ booted from a usb stick during start up. One stick failed a couple of times, twice in its original slot and once in an adjacent slot where the ram had passed. But it failed the same test (number 6) in the different slots which made me think of something I read Smarteyeball say in this thread:

    One thing that could be mentioned is that if you repeatedly fail a particular test ie Test 5 / Test 8 - it's not always a sign of bad RAM/mobo, but could actually be indicative of too high a mhz, incorrect timings / voltage settings etc.
    This theory might correlate with your idea of my voltages being totally incorrect due to my fumblings. I mean the two sticks that are in there now both passed memtest in their respective slots. I will reset my BIOS to default and see what happens. Please find my dump files attached. I have now turned off verifier.
    Last edited by tingsagwaan; 04 Dec 2012 at 22:00.
      My System SpecsSystem Spec

  8. #18

    I am an enthusiastic novice when it comes to overclocking. I made these adjustments using a guide months ago and only now is it going wrong. Are the effects of my modifications cumulative? I have tried to restore my Bios to a more default setting, not sure if I have managed it so I am posting screenshots of CPU-Z while running HeavyLoad. I would greatly appreciate any direction you could give me with regards to actually overclocking my system stably. I do a lot of video editing and wanted something that could really crunch through encodes...

    I'll let you know if the PC survives without a BSoD now I have (hopefully) removed my dodgy overclock settings.

    Attachment 12383 Attachment 12384Attachment 12385

    Thanks a lot for everyone's time and assistance, I feel like I'm edging towards a solution to what has been a really confounding problem!
      My System SpecsSystem Spec

  9. #19

    Tropical Island Pair a Dice
    Posts : 3,030
    Windows 8.1 Pro x64/ Windows 7 Ult x64

    In your motherboard manual page 3-1:
    If the system becomes unstable after changing any BIOS setting, load the default settings to ensure system compatibility and stability. Select the Load Optimized Defaults item under the Exit menu. See section 3.9 Exit Menu for details.
    This will return everything as it was originally.
    You can set your RAM to XPM mode in BIOS.
    Update all your drivers from the motherboard support site, same page as the manual.

    All your last crashes are the same:
    Usual causes:  Defective hardware (particularly memory - but not just RAM), Faulty system service, Antivirus,  Device driver, NTFS corruption, BIOS
    READ_ADDRESS: GetPointerFromAddress: unable to read from fffff800109c2168
    GetUlongFromAddress: unable to read from fffff800109c21f8
    Unable to get PFN database address fffff800109c2170
    SYMBOL_NAME:  Ntfs!memcpy+a0
    FAILURE_BUCKET_ID:  AV_VRF_Ntfs!memcpy
    These are all from RAM problems, with everything set to 'Optimized Defaults' this should be corrected.
    Continue running only two RAM cards until we can verify the system is stable.
    When overclocking, stop code 0x50 = RAM timings/Frequency unstable.

    Your OC link is a good guide.
    The RAM changes he is recommending are not for your RAM. He is underclocking the RAM to ensure stability, if you use those settings it may cause instability. They are close to your XMP settings, when you are OC'ing the CPU your RAM is set at max XMP settings, which may be unstable.

    Overclocking is an art and an ongoing settings adjusting procedure. There are many things you can do to get it stable, trying for a 4.5GHz OC on your first attempt is an ambitious undertaking, as you've found out. Each system, with it's varying components (each components has it's own degree of OC ability) can and do react differently to the same settings changes.

    We work on system crashes in this forum, once your system is stable you can post in another forum for specific help.
    Ask any question you have, and I'll help you.
    A full walk through is better done in an OC'ing forum.
      My System SpecsSystem Spec

  10. #20

    Thanks for the very useful info Dave. I did select Optimized Defaults last night and everything seems to be running smoothly for now. I ran HeavyLoad all night and everything so far seems stable, no crashes. Thank you so much for your help, I will start a thread about overclocking my set-up as I clearly didn't fully understand what I was doing!

    edit* Crap on it, it just crashed again
    Last edited by tingsagwaan; 05 Dec 2012 at 05:11.
      My System SpecsSystem Spec

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Windows 8 ntoskrnl.exe BSoD
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