BSOD - Generic memory error

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  1. Posts : 8
    Windows 10
       #1

    BSOD - "Memory Management" error


    Hello all,

    I have been experiencing BSODs recently which state a generic memory management error.
    I ran memtest for a day and no errors were detected. I have removed and re-seated all ram modules.

    I noticed the BSOD was occurring when my external HDD woke up, however I unplugged it and the BSODs are continuing so I don't think it's that. I cannot link it to any other event and it has only just started. the PC is not a new build.

    I have been running Driver Verifier and attached is the crash dump log extract (along with the zip file) *Now added a log which contains more info, however I have no idea what I'm looking at! Can anyone help please?

    Thank you.
    Last edited by Beercan; 27 Dec 2017 at 12:24. Reason: Editied title and added more detail
      My Computer


  2. Posts : 13,960
    Windows 10 Pro X64 21H1 19043.1503
       #2

    The zip file you uploaded is empty. Please try running dm_log_collector again.

    If you still have problems running the collection tool, you can try our new beta tool instead:

    log collector v2-beta06.zip
      My Computers


  3. Posts : 8
    Windows 10
    Thread Starter
       #3

    My apologies, please find attached an updated file. I used the beta tool as per your link.
    Interestingly, just after pressing enter on the command prompt I got the BSOD again. I assume the record of this will be in the attached somewhere.
    Many thanks for your time in helping.:)
    Last edited by Beercan; 28 Dec 2017 at 04:03.
      My Computer


  4. Posts : 13,960
    Windows 10 Pro X64 21H1 19043.1503
       #4

    There is only one dump in the zip file. Looks like all the others were large system dumps.

    There were 10 of these:
    Code:
    Event[557]:
      Log Name: System
      Source: Microsoft-Windows-WER-SystemErrorReporting
      Date: 2017-12-14T16:15:06.268
      Event ID: 1001
      Task: N/A
      Level: Error
      Opcode: N/A
      Keyword: Classic
      User: N/A
      User Name: N/A
      Computer: DESKTOP-2OGO4OA
      Description: 
    The computer has rebooted from a bugcheck.  The bugcheck was: 0x0000001a (0x0000000000061941, 0xffff9901bab84174, 0x0000000000000009, 0xffffbb8a5f5effb0). A dump was saved in: C:\WINDOWS\MEMORY.DMP. Report Id: 837d83cd-a123-434c-9fca-cbfb7e8de0a1.
    Please zip this file and upload to a file sharing site like OneDrive then post a link to it here so I can download it:P
    Code:
    Crash dump found at C:\WINDOWS\MEMORY.DMP
    Creation date: 12/28/2017 09:12:12
    Size on disk: 960 MB
    Bugcheck 1a is "MEMORY_MANAGEMENT" and shows a memory corruption has occurred. This can be caused by defective RAM or a buggy driver.

    The first thing to do is test your RAM as follows:
    ===================================================
    Follow this tutorial: MemTest86+ - Test RAM - Windows 10 Forums

    MemTest86+ is a diagnostic tool designed to test Random Access Memory (RAM) for faults. MemTest86+ will verify that:

    • RAM will accept and keep random patterns of data sent to it
    • There are no errors when different parts of memory try to interact
    • There are no conflicts between memory addresses


    Memtest86+ runs from bootable media to isolate the RAM from the system, no other components are taken into account during the test.

    warning   Warning
    MemTest86+ needs to run for at least 8 passes to be anywhere near conclusive, anything less will not give a complete analysis of the RAM.


    If you are asked to run MemTest86+ by a Ten Forums member make sure you run the full 8 passes for conclusive results. If you run less than 8 passes you will be asked to run it again.

    Note   Note
    MemTest86+ has been known to discover errors in RAM in later passes than the eighth pass. This is for information only; if you feel there is a definite problem with the RAM and 8 passes have shown no errors feel free to continue for longer.


    Running 8 passes of MemTest86+ is a long and drawn out exercise and the more RAM you have the longer it will take. It's recommended to run MemTest86+ just before you go to bed and leave it overnight.

    Take a picture when done and post in the forum please.
    ===================================================

    If that runs okay, then I would enable Driver Verifier and test as described below:

    Driver Verifier
    is a diagnostic tool built into Windows 10, it is designed to verify both native Microsoft drivers and third party drivers. Driver Verifier's verification process involves putting heavy stress on drivers with the intention of making bad, outdated, incompatible or misbehaving drivers fail. The required result is a BSOD (Blue Screen of Death) which will generate a crash dump for debugging purposes.
    Machines exposed to Driver Verifier will run very sluggishly due to the stress being applied to the drivers.

    Driver Verifier - Enable and Disable in Windows 10

    Pay close attention to PART TWO and make sure the correct boxes are checked.

    Warning:
    It is not advised to run Driver Verifier for more than 48 hours at a time. Disable Driver Verifier after 48 hours or after receiving a BSOD, whichever happens soonest.

    Always create a Restore Point prior to enabling Driver Verifier.

    What we're looking for is a verifier generated BSOD with a mini dump that will tell us what driver caused it. If you get a BSOD, rerun dm_log_collector and upload the resulting zip file.
    ===================================================

    Please make sure your PC is configured for small dump files:

    How to Configure Windows 10 to Create Dump Files on BSOD
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  5. Posts : 8
    Windows 10
    Thread Starter
       #5

    Thanks for the in-depth response.

    To answer point 1, I have uploaded the file as requested:
    https://drive.google.com/open?id=1UD...aLBa1kcloDqWKR

    I will run a full memtest overnight tonight (and into tomorrow if necessary) to see if this flags any issues.
    I'll report back with findings.

    Many thanks,
    Steve
      My Computer


  6. Posts : 13,960
    Windows 10 Pro X64 21H1 19043.1503
       #6

    The full dump did show one more possibility:nvlddmkm.sys
    Code:
    *** ERROR: Module load completed but symbols could not be loaded for nvlddmkm.sys
     nvlddmkm+0x21b730
    You currently have : Driver Date: 14/11/2016 Driver Version: 21.21.13.4201 which is the latest available for that card.

    If the memory test and Driver Verifier don't show us anything you may want to look into replacing your video card since the one you have now, the NVIDIA GeForce GTS 250 is pretty old and the driver is also old. Just something to keep in the back of your mind.
      My Computers


  7. Posts : 8
    Windows 10
    Thread Starter
       #7

    Thanks again; 3 passes completed overnight, no errors so still got a way to go. I'll check back in this evening. :)
      My Computer


  8. Posts : 8
    Windows 10
    Thread Starter
       #8

    Ok, so today's update: at 10am after 3 passes with no errors I had to reboot as my daughter needed to use the PC. When it booted back to Windows the graphics card fan went into overdrive for about 10 mins before slowing down to normal. At lunchtime I put it back onto memtest and it has done about 7-8 hours and at 6pm had done 2.5 passes.
    I just switched the monitor on and within a seconds of the screen appearing the pc shut down without warning.
    I switched it back on and I started to boot to Windows. The gfx fan was going mad again then everything froze. The gfx card is red hot - literally untouchable.
    Could this be the cause or is this just a result of running memtest?
      My Computer


  9. Posts : 13,960
    Windows 10 Pro X64 21H1 19043.1503
       #9

    No, memtest puts no load on the graphics card. Sounds like it gone bad. Unfortunate but it happens.
    I'd say it's time to replace it, and I suspect that will probably resolve the BSOD problem as well.
      My Computers


  10. Posts : 8
    Windows 10
    Thread Starter
       #10

    Hi again,
    So repeated attempts to run memtest failed after around an hour each time.
    I swapped out the GTS 250 gfx card for an old Geforce 8500GT card I had lying about. Using this I have successfully run a 22 hour memtest, completing 8 passes with no errors.
    I put the GTS250 back in again, the PC shuts down with no warning about an hour in. So it seems pretty clear the card is kaput!
    the 8500GT card is back in again and the PC is running OK at present. I'll keep an eye out for any further BSODs over the coming days.
    Thank you for your help with this problem! :)
      My Computer


 

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