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  1.    06 Sep 2015 #1
    Join Date : Aug 2015
    Posts : 17
    win 7

    WHEA_UNCORRECTABLE_ERROR during power down


    This error is now occurring after enabling Hyper-V in the Win10 OS Features. All of the automatic patching and configuration that takes place after enabling Hyper-V seems to have processed normally with several reboots noted. There are NO virtual environments defined as yet, nothing has been configured, and the Hyper-V management screen displays normally when started.. The error only occurs during system shutdown and the screen that displays waiting process closure seems to flash by quickly. Any method of initiating a power shutdown will cause the crash and it will occur even if no user has logged into the machine. The machine automatically reboots after the crash so I currently need to manually power down the machine during the bios screen. The machine has never been in sleep mode and automatic sleep is disabled. Hybernation is disabled on the machine too. BUT THIS IS BAZAAR... If I reboot, the machine does NOT crash. If something requests the machine to reboot (eg: for a software change), everything processes normally.
      My ComputerSystem Spec
  2.    07 Sep 2015 #2
    Join Date : Jun 2015
    Posts : 12,658
    Windows 10 Pro

    Hi tgm,

    Welcome to the 10forums.

    Please check {windows partition}\windows\minidump and check if there are any dump files saved.
    The zip is empty of dump files.
    Please make sure your pc is configured for small dump files How to configure minidump | Windows 10 tutorial
      My ComputersSystem Spec
  3.    07 Sep 2015 #3
    Join Date : Aug 2015
    Posts : 17
    win 7
    Thread Starter

    Quote Originally Posted by axe0 View Post
    Please check {windows partition}\windows\minidump and check if there are any dump files saved.
    The zip is empty of dump files.
    Please make sure your pc is configured for small dump files How to configure minidump | Windows 10 tutorial
    Now this is interesting... The dump was previously configured to Kernel Dump, so I changed it to Small Memory Dump as you requested. I then attempted a shutdown and the machine crashed with the WHEA error as expected. BUT after the reboot, the minidump directory is still empty! So I went back to check the config and it is still set to Small Memory Dump.

    I've now unchecked the auto reboot to see if this changes anything. During a shutdown attempt... It did stop the auto-reboot but the minidump directory is still empty.

    So as a possible alternative I've run both an AIDA OS report and a AIDA Full report and attached them in the hope that they may give you most if not all of the data you are looking for.
      My ComputerSystem Spec
  4.    07 Sep 2015 #4
    Join Date : Jun 2015
    Posts : 12,658
    Windows 10 Pro

    It looks like a log event from windows, which only says kernel event 41 (power problem) when you've had a bluescreen.

    Please make sure your pagefile is correctly configured.
      My ComputersSystem Spec
  5.    07 Sep 2015 #5
    Join Date : Aug 2015
    Posts : 17
    win 7
    Thread Starter

    Quote Originally Posted by axe0 View Post
    Please make sure your pagefile is correctly configured.
    As I suspected, the pagefile is being managed by the system but it appears that W10 may NOT be allocating it correctly. See the screenshot:
      My ComputerSystem Spec
  6.    07 Sep 2015 #6
    Join Date : Jun 2015
    Posts : 12,658
    Windows 10 Pro

    What is the virtual memory when you go to the settings of the performance?
      My ComputersSystem Spec
  7.    07 Sep 2015 #7
    Join Date : Aug 2015
    Posts : 17
    win 7
    Thread Starter

    Quote Originally Posted by axe0 View Post
    What is the virtual memory when you go to the settings of the performance?
    It's not clear to me what you are asking. What is "settings of the performance"?
      My ComputerSystem Spec
  8.    07 Sep 2015 #8
    Join Date : Jun 2015
    Posts : 12,658
    Windows 10 Pro

    This is in my VM, that is why the virtual memory is very low.
    Attachment 36300
      My ComputersSystem Spec
  9.    07 Sep 2015 #9
    Join Date : Aug 2015
    Posts : 17
    win 7
    Thread Starter

    Now I understand what you are saying. It shows 768MB (same as the screenshot I sent). In fact, if you click on the "Change" button you get to the same place where my screenshot came from.

    Getting back to the issues at hand... 768MB is significantly less than the 12GB of installed memory. Windows normally allocates at least the size of the existing memory when it is managing the pagefile. This is clearly a major bug with W10. I suspect that it is related to installing the Hyper-V functionality. I've gone ahead and manually configured the pagefile to 12288MB (minimum) to see what happens.

    Changing the pagefile size requires a reboot which the machine performed without any error. Then I tried to shutdown the machine and it again crashed with the WHEA error. After booting back up again the minidump directory is still empty?! So I guess this is another major bug too.

    The bottom line is that it appears that there is potentially a serious functionality problem with Hyper-V on W10 and it seems pretty clear that not much testing was performed @ M$ where my system is pretty vanilla.
      My ComputerSystem Spec
  10.    07 Sep 2015 #10
    Join Date : Jun 2015
    Posts : 12,658
    Windows 10 Pro

    MS does test a lot, but not properly.
    Although there are no dump files, for this error is a general troubleshooting process created.

    The error 0x124 WHEA_UNCORRECTABLE_ERROR (Windows Hardware Error Architecture)
    This means that there are problems with your hardware, unfortunately this error rarely gives enough information for a specific cause. Fortunately, this error is mostly caused by overclocking or faulty drivers




    WHEA_UNCORRECTABLE_ERROR during power down STOP 0x124 Troubleshooting WHEA_UNCORRECTABLE_ERROR during power down
    Read carefully before proceeding.


    warning   Warning
    If you're overclocking your system, revert back to stock clocks now.

    Note   Note
    Test the system once the overclock is removed before continuing with the steps outlined below.


    Part One: CPU Stress Test
    Part Two: MemTest86+ RAM Diagnostic
    Part Three: Hard Drive Diagnostics
    Part Four: GPU Stress Test




    WHEA_UNCORRECTABLE_ERROR during power down ONE WHEA_UNCORRECTABLE_ERROR during power down
     CPU TEST

    Run Prime95 to stress test your CPU. Prime95 - Stress Test Your CPU - Windows 10 Forums

    warning   Warning
    Your CPU temperatures will rise quickly while under this stress test. Keep a keen eye on them and abort the test if overheating occurs.





    WHEA_UNCORRECTABLE_ERROR during power down TWO WHEA_UNCORRECTABLE_ERROR during power down
     RAM TEST

    Run MemTest86+ to analyse your RAM. MemTest86+ - Test RAM - Windows 10 Forums

    Note   Note


    MemTest86+ needs to be run for at least 8 passes for conclusive results. Set it running before you go to bed and leave it overnight. We're looking for zero errors here. Even a single error will indicate RAM failure.





    WHEA_UNCORRECTABLE_ERROR during power down THREE WHEA_UNCORRECTABLE_ERROR during power down
     HDD TEST

    Run SeaTools to check the integrity of your HDD. http://www.sevenforums.com/tutorials...s-how-use.html

    Note   Note
    Do not run SeaTools on an SSD as the results will be invalid.


    Run chkdsk http://www.sevenforums.com/tutorials...isk-check.html




    WHEA_UNCORRECTABLE_ERROR during power down FOUR WHEA_UNCORRECTABLE_ERROR during power down
     GPU TEST

    Run Furmark to stress test your GPU. FurMark - GPU Stress Test - Windows 10 Forums

    Note   Note
    Run Furmark for around 30 minutes.

    warning   Warning
    Your GPU temperatures will rise quickly while Furmark is running. Keep a keen eye on them and abort the test if overheating occurs.
      My ComputersSystem Spec

 
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