Windows 8 and 8.1 Forums


Windows 8 Memory Management/Leaks

  1. #41


    Quote Originally Posted by katuba2 View Post
    Hi Guy's, I dont want to jeopardize your discussion here, but just to inform you I'm following this post with interest as I have recently got a very similar problem on my new installation W8.1 64 bits. It happens only when I'm playing a few hours with BF4, never when I work for twice this length with typical office type of apps
    Symptom is simple, when the memory jam occurs, my game start to lag then I cannot play anymore even to a point I cannot kill it and when I'm looking at tasks and space meory occupation, nothing special to the size of all tasks but memory shows 99% occupancy like if if was reserved or lost zombie memory
    I though initially it was a memory problem as I have just installed a stack of 32 gb at the same time of install 8.1, but why would it be HW if all the day it is working fine? So I'm now more looking same direction as you do
    hoping you come to a conclusion

    I found also this post Windows 8 Extremely High Memory Usage ~8GB!!!!! [Solved] - disk usage - Windows 8
    where a"lot" of people are having similar behavior than mine...good thing is...we are not alone, bad thing is it's there since a year...
    If you have Killer e2200, Wireless-N 1102, 1103 and 1202 you are probably on the same wagon as i am... If you want to make it happen without gaming, get a few free big torrents and leave them on... It will start to increase that Non-Page-Pool area...

      My System SpecsSystem Spec

  2. #42


    Finally I fixed it... The problem relies on Microsoft side, with Windows Network Data Usage Monitor... Ndu driver was introduced with Win8 and is actually quite buggy in combination with Realtek NIC... Here's some detail:

    Windows Network Data Usage Monitoring Driver - Windows 8 Service

    This service provides network data usage monitoring functionality.
    This service exists in Windows 8 only.
    Startup Type

    Windows 8 edition without SP
    Core Automatic
    Professional Automatic
    Enterprise Automatic
    Default Properties

    Display name: Windows Network Data Usage Monitoring Driver
    Service name: Ndu
    Type: kernel
    Path: %WinDir%\system32\drivers\Ndu.sys
    Error control: normal

    Default Behavior

    The Windows Network Data Usage Monitoring Driver service is a kernel mode driver. If the Windows Network Data Usage Monitoring Driver fails to start, the error is logged. Windows 8 startup proceeds, but a message box is displayed informing you that the Ndu service has failed to start.

    To Fix Memory Leaks on Non-Paged-Pool:
    Changed the registry value instead of using Autoruns:

    HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Ndu

    Change the Start value to 4 (for disable).

    After a lot of months looking for solutions i finally found mine and i hope others can fix their problems with this.

    Thanks everyone for their help.
      My System SpecsSystem Spec

  3. #43


    Posts : 20
    Windows 8.1


    Quote Originally Posted by w0rtez View Post

    To Fix Memory Leaks on Non-Paged-Pool:
    Changed the registry value instead of using Autoruns:

    HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Ndu

    Change the Start value to 4 (for disable).

    After a lot of months looking for solutions i finally found mine and i hope others can fix their problems with this.

    Thanks everyone for their help.
    Can you explain this better. Where do I go to change that value?
      My System SpecsSystem Spec

  4. #44


    Quote Originally Posted by Jadors View Post
    Quote Originally Posted by w0rtez View Post

    To Fix Memory Leaks on Non-Paged-Pool:
    Changed the registry value instead of using Autoruns:

    HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Ndu

    Change the Start value to 4 (for disable).

    After a lot of months looking for solutions i finally found mine and i hope others can fix their problems with this.

    Thanks everyone for their help.
    Can you explain this better. Where do I go to change that value?
    Hi,
    Check this url for instructions, but be careful changing a wrong value could harm your system....
    How to Use Regedit: 7 Steps (with Pictures) - wikiHow

    Use steps 1-4... Then navigate to HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Ndu and change start value to 4
      My System SpecsSystem Spec

  5. #45


    Posts : 4
    Windows 8.1


    Quote Originally Posted by w0rtez View Post
    Quote Originally Posted by Jadors View Post
    Quote Originally Posted by w0rtez View Post

    To Fix Memory Leaks on Non-Paged-Pool:
    Changed the registry value instead of using Autoruns:

    HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Ndu

    Change the Start value to 4 (for disable).

    After a lot of months looking for solutions i finally found mine and i hope others can fix their problems with this.

    Thanks everyone for their help.
    Can you explain this better. Where do I go to change that value?
    Hi,
    Check this url for instructions, but be careful changing a wrong value could harm your system....
    How to Use Regedit: 7 Steps (with Pictures) - wikiHow

    Use steps 1-4... Then navigate to HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Ndu and change start value to 4
    Kind of looks like what i need, but does not solve my problem, sadly Changed HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\NDU\Start to 4 but OS still eats all 16gbs of Non-paged pool when torrent client is working...
      My System SpecsSystem Spec

  6. #46


    Quote Originally Posted by LowPressure View Post
    Quote Originally Posted by w0rtez View Post
    Quote Originally Posted by Jadors View Post

    Can you explain this better. Where do I go to change that value?
    Hi,
    Check this url for instructions, but be careful changing a wrong value could harm your system....
    How to Use Regedit: 7 Steps (with Pictures) - wikiHow

    Use steps 1-4... Then navigate to HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Ndu and change start value to 4
    Kind of looks like what i need, but does not solve my problem, sadly Changed HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\NDU\Start to 4 but OS still eats all 16gbs of Non-paged pool when torrent client is working...
    After you changed it... Did you restart your computer...
      My System SpecsSystem Spec

  7. #47


    Posts : 4
    Windows 8.1


    Quote Originally Posted by w0rtez View Post
    Quote Originally Posted by LowPressure View Post
    Quote Originally Posted by w0rtez View Post

    Hi,
    Check this url for instructions, but be careful changing a wrong value could harm your system....
    How to Use Regedit: 7 Steps (with Pictures) - wikiHow

    Use steps 1-4... Then navigate to HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Ndu and change start value to 4
    Kind of looks like what i need, but does not solve my problem, sadly Changed HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\NDU\Start to 4 but OS still eats all 16gbs of Non-paged pool when torrent client is working...
    After you changed it... Did you restart your computer...
    Yeah, i changed it to 4, restarted PC, started torrent downloads and here it is again - RAM's steadily filling up(
      My System SpecsSystem Spec

  8. #48


    Quote Originally Posted by LowPressure View Post
    Quote Originally Posted by w0rtez View Post
    Quote Originally Posted by LowPressure View Post
    Kind of looks like what i need, but does not solve my problem, sadly Changed HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\NDU\Start to 4 but OS still eats all 16gbs of Non-paged pool when torrent client is working...
    After you changed it... Did you restart your computer...
    Yeah, i changed it to 4, restarted PC, started torrent downloads and here it is again - RAM's steadily filling up(
    Did you check if you had a Realtek as i mentioned... My problem was with some bug with Realtek and Windows 8 and i saw you got Windows 8.1... I dont know if something changed because i haven't updated yet... Make sure your ethernet card or your integrated one is a Realtek...
      My System SpecsSystem Spec

  9. #49


    Posts : 4
    Windows 8.1


    Quote Originally Posted by w0rtez View Post
    Quote Originally Posted by LowPressure View Post
    Quote Originally Posted by w0rtez View Post

    After you changed it... Did you restart your computer...
    Yeah, i changed it to 4, restarted PC, started torrent downloads and here it is again - RAM's steadily filling up(
    Did you check if you had a Realtek as i mentioned... My problem was with some bug with Realtek and Windows 8 and i saw you got Windows 8.1... I dont know if something changed because i haven't updated yet... Make sure your ethernet card or your integrated one is a Realtek...
    No, they are not Realtek actually. Also, i was using mostly wifi, but while uploading files to a notebook via ethernet i got the same results: Non-paged pool rapidly grows till all the memory is consumed.
      My System SpecsSystem Spec

  10. #50


    Quote Originally Posted by LowPressure View Post
    Quote Originally Posted by w0rtez View Post
    Quote Originally Posted by LowPressure View Post
    Yeah, i changed it to 4, restarted PC, started torrent downloads and here it is again - RAM's steadily filling up(
    Did you check if you had a Realtek as i mentioned... My problem was with some bug with Realtek and Windows 8 and i saw you got Windows 8.1... I dont know if something changed because i haven't updated yet... Make sure your ethernet card or your integrated one is a Realtek...
    No, they are not Realtek actually. Also, i was using mostly wifi, but while uploading files to a notebook via ethernet i got the same results: Non-paged pool rapidly grows till all the memory is consumed.
    Well... As I said before you got another environment than mine... You don't have Realtek and your OS is Win8.1... I suggest you to go and do this: Windows 8 Memory Management/Leaks

    You need to analyze whats causing your problems... And see if you can find your answer... It could be a lot of reasons... Driver issues thats normally the first reason than comes in mind since it could make memory leaks on the OS, but sometimes could be a bug that could not be related with drivers and something that MSFT needs to fix... Try doing what i told you from post #33 and hope you can find your problem...
      My System SpecsSystem Spec

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Windows 8 Memory Management/Leaks
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