Windows 8 and 8.1 Forums


Bsod whea_uncorrectable_error

  1. #1


    York, England
    Posts : 11
    Windows 8.1 Professional x64

    Bsod whea_uncorrectable_error


    Hey guys,

    After updating every driver I can find and doing a fresh install of windows 8.1 Pro, I am still having problems with WHEA_UNCORRECTABLE ERROR.

    I have also updated my BIOS and ran sfc scan, memtest, stress tested my CPU and GPU and ran chkdsk.

    Can anyone take a look at my crash dump and tell me what's going wrong?

    SF Debug: Attachment 56123

    SF Diagnostic: Attachment 56124


    I've noticed the crash address has changed since last time so maybe its something different?

    Thanks in advance,

    MJB

      My System SpecsSystem Spec

  2. #2


    India
    Posts : 2,097
    Windows 8.1 Industry Pro B-)


    Hi OfficiallyMJB & Welcome to the forums ^_^,

    I have analysed your dump files and below has been provided an analysis of the same for informative purposes :-
    Code:
    6: kd> !errrec ffffe001a0293028
    ===============================================================================
    Common Platform Error Record @ ffffe001a0293028
    -------------------------------------------------------------------------------
    Record Id     : 01d027540c2f7b1f
    Severity      : Fatal (1)
    Length        : 928
    Creator       : Microsoft
    Notify Type   : Machine Check Exception
    Timestamp     : 1/3/2015 16:09:46 (UTC)
    Flags         : 0x00000000
    ===============================================================================
    Section 0     : Processor Generic
    -------------------------------------------------------------------------------
    Descriptor    @ ffffe001a02930a8
    Section       @ ffffe001a0293180
    Offset        : 344
    Length        : 192
    Flags         : 0x00000001 Primary
    Severity      : Fatal
    Proc. Type    : x86/x64
    Instr. Set    : x64
    Error Type    : Cache error
    Operation     : Generic
    Flags         : 0x00
    Level         : 0
    CPU Version   : 0x00000000000306c3
    Processor ID  : 0x0000000000000006
    ===============================================================================
    Section 1     : x86/x64 Processor Specific
    -------------------------------------------------------------------------------
    Descriptor    @ ffffe001a02930f0
    Section       @ ffffe001a0293240
    Offset        : 536
    Length        : 128
    Flags         : 0x00000000
    Severity      : Fatal
    Local APIC Id : 0x0000000000000006
    CPU Id        : c3 06 03 00 00 08 10 06 - bf fb fa 7f ff fb eb bf
                    00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00
                    00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00
    Proc. Info 0  @ ffffe001a0293240
    ===============================================================================
    Section 2     : x86/x64 MCA
    -------------------------------------------------------------------------------
    Descriptor    @ ffffe001a0293138
    Section       @ ffffe001a02932c0
    Offset        : 664
    Length        : 264
    Flags         : 0x00000000
    Severity      : Fatal
    Error         : DCACHEL0_WR_ERR (Proc 6 Bank 1)
      Status      : 0xbf80000000000124
      Address     : 0x000000021b8a3ac0
      Misc.       : 0x0000000000000086
    The dump file says that the system has experienced a failure in writing data to the L0 Cache of the CPU. Given that you are still facing problems after a clean install, I would say that it is a failing CPU. But, before I can confirm it, I would require more dump files because the ZIP file contained only 1 dump file and for 0x124, we need multiple dumps to check the pattern.

    Also, kindly run the below CPU Diagnostics and report back with any errors if found and the temperature while your system is idle and under load (thanks usasma) -

    Prime95 download site:
    GIMPS - Free Prime95 software downloads - PrimeNet
    Prime95 Setup:
    - extract the contents of the zip file to a location of your choice
    - double click on the executable file
    - select "Just stress testing"
    - select the "Blend" test. If you've already run MemTest overnight please run the "Small FFTs" test instead. (run all 3 if you find a problem and note how long it takes to error out with each)
    - "Number of torture test threads to run" should equal the number of CPU's times 2 (if you're using hyperthreading).
    The easiest way to figure this out is to go to Task Manager...Performance tab - and see the number of boxes under CPU Usage History
    Then run the test for 6 to 24 hours - or until you get errors (whichever comes first).
    Monitor the CPU temperature and DON'T let it exceed 85șC. If it does, then you probably have a CPU cooling problem.
    - CPU temps exceeding 60șC can cause errors in Prime95. Fix the cooling solution first, then run Prime95 again.
    This won't necessarily crash the system - but check the output in the test window for errors.
    The Test selection box and the stress.txt file describes what components that the program stresses.
    NOTE: Errors should be considered when:
    - the system BSOD's during Prime95
    - the system freezes during Prime95 (this is different than the extreme slowness caused by the program using all your RAM and CPU)
    - the Prime95 program crashes
    - the Prime95 program shows errors in it's display
    - there are errors in the Prime95 results file
    More details on the use of this test: Torture test your CPU with Prime95
    Also run the Intel Burn Test from the below link -
    IntelBurnTest - The new stress-testing program

    Let me know how it goes ^_^.


    -Pranav
      My System SpecsSystem Spec

  3. #3


    York, England
    Posts : 11
    Windows 8.1 Professional x64


    Hello,

    Thankyou for the response,

    I ran IntelBurnTest and it said it was stable without any problems.

    I have already ran Memtest which passed 16 times, so I ran the "Small FFT" test on Prime 95 for 15 hours until I manually stopped it, it survived the night without any blue screens or issues.

    I would like to add that I am running the latest version of my BIOS, running all components at stock settings.

    I did have more dmp files to share but deleted them with Ccleaner a couple of weeks ago. From looking at them with BlueScreenViewer they all looked the same, I noticed playing Battlefield 4 seems to make it crash in this way. (It crashes from time to time anyway, but it happens more when I play BF4)

    I will attempt to get some more crashes to upload.

    When it does BSOD, there is a loud static noise until the computer turns off.


    Is there anything else I can do?

    Thanks,

    MJB
      My System SpecsSystem Spec

  4. #4


    Posts : 2,480
    Windows 10 Pro x64


    Post a SS of your temperatures both idle and load.
      My System SpecsSystem Spec

  5. #5


    York, England
    Posts : 11
    Windows 8.1 Professional x64


    Temps at idle:
    Attachment 56204

    Temps during IntelBurnTest:
    Attachment 56205

    I am using a Coolermaster Hyper 212 EVO CPU cooler and 2 extra Corsair case fans for cooling.

    A company built my PC for me and I haven't touched any of the components inside since receiving the PC.


    MJB
      My System SpecsSystem Spec

  6. #6


    Posts : 2,480
    Windows 10 Pro x64


    Temps are EXTREMELY high. Please try using another software just to check. How long ago was this PC put together? Is it clean of dust?
      My System SpecsSystem Spec

  7. #7


    India
    Posts : 2,097
    Windows 8.1 Industry Pro B-)


    Like Mihael has said, the temperatures are extremely high. Although the other components are at regular temperatures so first check your CPU Cooling. Try placing a table fan directly at the CPU and see if you are still getting such high temperatures or not.
      My System SpecsSystem Spec

  8. #8


    York, England
    Posts : 11
    Windows 8.1 Professional x64


    Following your suggestion, I ran IntelBurnTest again but this time using SpeedFan to monitor the temps.

    It showed similar idle temps, but under stress, the CPU only reached a maximium of around 55/56C

    Attachment 56207

    I'm ignoring the 100C+ values, they were still showing 100c even at idle.

    Even after leaving Prime95 running for 15 hours, where HWMonitor showed a CPU reading of 99C, the PC did not feel hot. The fans were spinning faster as they usually do during CPU stress, but was definitely staying cool.

    Do you think the 99C reading from HWMonitor is just a bug?

    The PC was put together around 3 months ago, inside the case there is a little bit of dust, but not anything major, I can still see all of the components clearly.

    Should I use different monitoring software instead?

    Thanks,

    MJB
      My System SpecsSystem Spec

  9. #9


    Posts : 2,480
    Windows 10 Pro x64


    I would suggest using a different one just to be sure, because 90+ degrees is not a healthy reading...
      My System SpecsSystem Spec

  10. #10


    York, England
    Posts : 11
    Windows 8.1 Professional x64


    Is there any specific software you can recommend to monitor CPU temps?
      My System SpecsSystem Spec

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