Random BSOD: Faulty RAM, or just borked windows?

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  1. Posts : 13
    Windows 7 pro 64-bit, Windows 7 Home 64-bit
       #1

    Random BSOD: Faulty RAM, or just borked windows?


    Hi.

    I have a computer that randomly crashes during the day.
    Minidumps refer to ntoskrnl.exe.
    I've read a few of the threads here related to ntoskrnl, but I'm not getting any wiser.

    Tried a full reinstall of Windows 7 Pro 64-bit, but that didn't seem to help either

    I recently changed the RAM from one single 2GB-chip to Two 2GB-chips. Could it be the chips?

    Spike

    Attachment 287342
      My Computer


  2. Posts : 19,384
    Windows 10 Pro x64 ; Xubuntu x64
       #2

    Code:
    On Wed 25/09/2013 11:39:22 AM GMT your computer crashed
    crash dump file: E:\BSOD\092513-34101-01.dmp
    uptime: 22:30:29
    This was probably caused by the following module: ntkrnlmp.exe (nt!KeBugCheckEx+0x0) 
    Bugcheck code: 0xA (0xFFFFFB8007871E08, 0x2, 0x1, 0xFFFFF80002ADF971)
    Error: IRQL_NOT_LESS_OR_EQUAL
    Please use MemTest86+ to check for memory errors. Run a minimum of 8 passes or until you receive an error.

    RAM - Test with Memtest86+
      My Computer


  3. Posts : 3,056
    Windows 10
       #3

    Please upload a new instance of the MSINFO32 file.
    Start> RUN> "MSINFO32" without the quotes then hit [Enter].
    In "MSINFO32" go to, File> Save> name it your user-name and upload.
    Please update your network driver;
    Code:
    lmvm Rt64win7
    start             end                 module name
    fffff880`050d2000 fffff880`05156000   Rt64win7 T (no symbols)           
        Loaded symbol image file: Rt64win7.sys
        Image path: \SystemRoot\system32\DRIVERS\Rt64win7.sys
        Image name: Rt64win7.sys
        Timestamp:        Mon May 16 17:53:31 2011

    No code has to be inserted here.
    Download




    Use RevoUninstaller to completely remove Sophos Anti-Virus, use Microsoft Security Essentials
    as a reliable alternative.

    Code:
    !process
    GetPointerFromAddress: unable to read from fffff80002d03000
    PROCESS fffffa8008c604e0
        SessionId: none  Cid: 0524    Peb: 7efdf000  ParentCid: 022c
        DirBase: 69537000  ObjectTable: fffff8a002904c00  HandleCount: <Data Not Accessible>
        Image: SavService.exe
        VadRoot fffffa8007711a80 Vads 491 Clone 0 Private 40638. Modified 280663. Locked 0.
        DeviceMap fffff8a0027dcc60
        Token                             fffff8a00b846060
        ReadMemory error: Cannot get nt!KeMaximumIncrement value.
    fffff78000000000: Unable to get shared data
        ElapsedTime                       00:00:00.000
        UserTime                          00:00:00.000
        KernelTime                        00:00:00.000
        QuotaPoolUsage[PagedPool]         168096
        QuotaPoolUsage[NonPagedPool]      79352
        Working Set Sizes (now,min,max)  (36709, 50, 345) (146836KB, 200KB, 1380KB)
        PeakWorkingSetSize                62721
        VirtualSize                       367 Mb
        PeakVirtualSize                   441 Mb
        PageFaultCount                    2156383
        MemoryPriority                    BACKGROUND
        BasePriority                      8
        CommitCharge                      42873
    
            *** Error in reading nt!_ETHREAD @ fffffa80088a57e0
    Post back with the results!
      My Computer


  4. Posts : 13
    Windows 7 pro 64-bit, Windows 7 Home 64-bit
    Thread Starter
       #4

    Thanks for the feedback guys..
    I'll try out these steps..

    Regarding Sophos.. this is something i cannot remove due to some silly corporate policy..
    I cannot begin to understand why the company have launched Sophos to all users.. Huge piece of crap IMO..

    Spike
      My Computer


  5. Posts : 13
    Windows 7 pro 64-bit, Windows 7 Home 64-bit
    Thread Starter
       #5

    Bah..
    I mistakenly marked this as solved.. is there an undo button?

    Attached new MSINFO32.nfo
    Attachment 287471

    Edit: Found the "unsolved" button.. lol
    Last edited by Spike; 27 Sep 2013 at 12:12.
      My Computer


  6. Posts : 3,056
    Windows 10
       #6

    Hi thanks for the update :) .
    A question though, did you create the MSINFO32 file before updating the network driver?
    Because it wasn't updated at the time of creation.
      My Computer


  7. Posts : 13
    Windows 7 pro 64-bit, Windows 7 Home 64-bit
    Thread Starter
       #7

    I'll try again..
    New MSINFo attached
    Attachment 287583

    I've run the Memtest several times now..

    Running either of the two chips alone in any slot works fine.. no errors..

    As soon as I insert BOTH chips, I get an error.. even if those slots have passed earlier tests..
    see attached screenshot:

    Attachment 287584
      My Computer


  8. Posts : 19,384
    Windows 10 Pro x64 ; Xubuntu x64
       #8

    Are the two RAM chips the same make/model/specifications?
      My Computer


  9. Posts : 13
    Windows 7 pro 64-bit, Windows 7 Home 64-bit
    Thread Starter
       #9

    Golden said:
    Are the two RAM chips the same make/model/specifications?
    Yes.. Taken straigth out of the same package from the shop
      My Computer


  10. Posts : 3,056
    Windows 10
       #10

    A few things come to mind.

    Spike said:
    I've run the Memtest several times now..

    Running either of the two chips alone in any slot works fine.. no errors..

    As soon as I insert BOTH chips, I get an error.. even if those slots have passed earlier tests..
    How many passes are you letting each module run for?
    You need at least 7 if no errors are found prior to that.

    What channels are you running the two modules in?
    Attachment 287604

    Spike said:
    Yes.. Taken straigth out of the same package from the shop
    Meaning you're no longer using the OEM RAM that came with your OEM PC, what are the timings and latency of the new RAM you're using now?

    Attachment 287605
      My Computer


 
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