Windows 8 and 8.1 Forums


Paged Pool memory constantly increasing

  1. #1


    Posts : 4
    Windows 8.1 Enterprise

    Paged Pool memory constantly increasing


    Hi Everyone.

    I've been searching as much as i could here and there on the internet without any luck so i'm giving it a chance here if someone has an idea how to troubleshoot/investigate this.

    I'm Running Windows 8.1 Update 1 Enterprise.
    custom built machine :

    I7 4770K
    32gb ram
    Samsung evo pro 256gb ssd
    2x gtx 770 sli

    the installation was done around end of january, i don't have much running on that computer but games (i have another system for work)

    The issue i have is the Paged Pool memory after system is up is at roughly 250mb but keep increasing around 1-2mb per sec and never stops, after roughly 1h uptime, i'm already at 2gb.(after 1day uptime yesterday, i was at 56gb). The non-paged pool is however never an issue and sits between 150mb and 250mb (i would say normal values)

    i've read about disabling NDU, disabling killer networks application (my network driver) and many other things but so far still no luck.

    i'm willing to run any kind of software or give any traces, my main issue right now is how to find what is causing this. i believe there is a memory leak somewhere but i have no idea/clues how to trace it down.

    Many thanks for your time and help.

    cheers

    BuG

      My System SpecsSystem Spec

  2. #2


    Posts : 22,565
    64-bit Windows 10


    Hello BuG,

    With 32 GB of RAM installed, it's not unusual for your page file to get just as large.

    If you like, you could use step 11 in the tutorial below to specify a minimum and maximum page file size for your C: drive to prevent it from getting larger on it's own. If you get a low memory or out of memory error afterwards while running Windows, then it means that you will need to increase the size of the page file until you stop getting the error.

    If you have plenty of hard drive space, then it is recommended to leave the page file to be system managed though.

    Virtual Memory Paging File - Change

    Hope this helps,
    Shawn
      My System SpecsSystem Spec

  3. #3


    Posts : 1,121
    Windows 8.1 x64


    Have you gone through to see what is running on your system? I have a basic system and it is using 160 MB of Paged Pool memory. When I open one app it goes up by 2 MB. Of course, just closing the app does not bring it down since the app does not really close.

    I am not really that familiar with this stuff, but I have a system with 2 GTX 680s if you want me to check it to see if the video configuration is involved.

    I am assuming you are looking at the Paged Pool in Task Manger?

    I am looking at Process Explorer, and it has the ability to look at the Paged Pool for the individual processes if you add the column for it.
      My System SpecsSystem Spec

  4. #4


    A paged pool of 56 GB is very high and likely indicates a memory leak. Limiting the pagefile will eventually cause a crash when the commit limit is reached.

    This is not likely caused by an application but more likely by a driver problem, possibly malware. Unfortunately I can't help much with that.
      My System SpecsSystem Spec

  5. #5


    Posts : 1,121
    Windows 8.1 x64


    It looks like Task Manager also has the ability to add a column for Paged Pooled memory. That should give a good indication of what is using it.
      My System SpecsSystem Spec

  6. #6


    Posts : 4
    Windows 8.1 Enterprise


    Hi,

    I totally agree with the previous post about a memory leak. virus/maware side was fully checked just in case and the system is clean and safe. i've checked every drivers i could think of for their latest version and they should be up to date.

    When i check under the Task Manager and even if i add the paged pool memory, all together is FAR from adding up. as i said, if i live it running, the size is increasing by roughly 1mb to 2mb per sec even without doing anything. (i'm currently on my work computer with a lot of applications running and paged file went from ~250mb to ~350mb after 6hours, which looks totally normal to me) And yes, i tried to force the size of a paged pool, and instead, the system eats up all physical memory until it pops up about not having enough virtual memory etc, which is normal.

    i tried running driver viewer (viewer.exe) but it seems like it is not super happy when you have 1 or 2 non whql driver and was causing loop bsod at startup.

    Any suggestions to investigate a memory leak in the drivers or what software/app to track it is welcome, i don't have any problems to run anything that could help me figure it out as it is driving me quite crazy (and my ssd isn't liking much this kind of file access)

    thanks
      My System SpecsSystem Spec

  7. #7


    Posts : 22,565
    64-bit Windows 10


    You might see if troubleshooting with a clean boot may be able to help ID the culprit.

    Troubleshoot Problem with Clean Boot in Windows 8

    In addition, use Resource Monitor to see if anything using high amounts of memory stands out while testing above.

    Resource Monitor - Windows 7 Help Forums
      My System SpecsSystem Spec

  8. #8


    Posts : 4
    Windows 8.1 Enterprise


    Hi,

    Resource monitor/task manager do not show anything special as said before, adding up all the memory used by apps/components seem normal.

    i've ran poolmon :

    imgur: the simple image sharer

    what is this CMNb that seem to be eating up all the memory and is constantly increasing ? i can't find any real information through google searching.
      My System SpecsSystem Spec

  9. #9


    Posts : 22,565
    64-bit Windows 10


    CMNb appears to be for Intel PROSET Monitoring Service.

    As a test, disable the service to see if the memory leak continues.

    Services - Start, Stop, and Disable in Windows 8
      My System SpecsSystem Spec

  10. #10


    Posts : 1,121
    Windows 8.1 x64


    OK, Brink, I have to ask.

    My research seems to point to the quote. Does that lead you to the Intel Proset Monitoring Service? This was the one showing in the 8.1 Dbg pooltag.txt. I did see a mention of .Net configuration, but hard to tell if was even referring to this OS.

    CMNb - nt!cm - Configuration Manager Name Tag
    I can't seem to find poolmon.exe in the Debugging tools and the ADK is a little large for me with Virtual Studio. So I just used the WPRUI.exe.
      My System SpecsSystem Spec

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