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  1. Posts : 11,990
    Windows 7 Ultimate 32 bit
       #31

    STOP 0x00000018: REFERENCE_BY_POINTER

    Usual causes: Device driver, kernel, hardware
    Code:
    Microsoft (R) Windows Debugger Version 6.11.0001.404 X86
    Copyright (c) Microsoft Corporation. All rights reserved.
    
    
    Loading Dump File [C:\Users\Owner\Downloads\070310-24343-01.dmp]
    Mini Kernel Dump File: Only registers and stack trace are available
    
    Symbol search path is: SRV*c:\symbols*Symbol information
    Executable search path is: 
    Windows 7 Kernel Version 7600 MP (4 procs) Free x64
    Product: WinNt, suite: TerminalServer SingleUserTS Personal
    Built by: 7600.16539.amd64fre.win7_gdr.100226-1909
    Machine Name:
    Kernel base = 0xfffff800`02c4b000 PsLoadedModuleList = 0xfffff800`02e88e50
    Debug session time: Sat Jul  3 15:23:04.856 2010 (GMT-4)
    System Uptime: 0 days 0:14:33.684
    Loading Kernel Symbols
    ...............................................................
    ................................................................
    ..........................
    Loading User Symbols
    Loading unloaded module list
    .....
    *******************************************************************************
    *                                                                             *
    *                        Bugcheck Analysis                                    *
    *                                                                             *
    *******************************************************************************
    
    Use !analyze -v to get detailed debugging information.
    
    BugCheck 18, {0, fffffa8005f52900, 2, ffffffffffffffff}
    
    Probably caused by : ntkrnlmp.exe ( nt! ?? ::FNODOBFM::`string'+46451 )
    
    Followup: MachineOwner
    ---------
    
    1: kd> !analyze -v
    *******************************************************************************
    *                                                                             *
    *                        Bugcheck Analysis                                    *
    *                                                                             *
    *******************************************************************************
    
    REFERENCE_BY_POINTER (18)
    Arguments:
    Arg1: 0000000000000000, Object type of the object whose reference count is being lowered
    Arg2: fffffa8005f52900, Object whose reference count is being lowered
    Arg3: 0000000000000002, Reserved
    Arg4: ffffffffffffffff, Reserved
        The reference count of an object is illegal for the current state of the object.
        Each time a driver uses a pointer to an object the driver calls a kernel routine
        to increment the reference count of the object. When the driver is done with the
        pointer the driver calls another kernel routine to decrement the reference count.
        Drivers must match calls to the increment and decrement routines. This bugcheck
        can occur because an object's reference count goes to zero while there are still
        open handles to the object, in which case the fourth parameter indicates the number
        of opened handles. It may also occur when the object’s reference count drops below zero
        whether or not there are open handles to the object, and in that case the fourth parameter
        contains the actual value of the pointer references count.
    
    Debugging Details:
    ------------------
    
    
    CUSTOMER_CRASH_COUNT:  1
    
    DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
    
    BUGCHECK_STR:  0x18
    
    PROCESS_NAME:  svchost.exe
    
    CURRENT_IRQL:  0
    
    LAST_CONTROL_TRANSFER:  from fffff80002c52fac to fffff80002cbb600
    
    STACK_TEXT:  
    fffff880`02bfc428 fffff800`02c52fac : 00000000`00000018 00000000`00000000 fffffa80`05f52900 00000000`00000002 : nt!KeBugCheckEx
    fffff880`02bfc430 fffff800`02fb7f09 : fffff880`02bfcca0 fffff880`02bfc7d8 00000000`00000017 00000000`00000006 : nt! ?? ::FNODOBFM::`string'+0x46451
    fffff880`02bfc490 fffff800`02fb87d6 : 00000000`00000001 00001f80`00000000 fffff8a0`00000001 00000000`00000001 : nt!ObpWaitForMultipleObjects+0x2d3
    fffff880`02bfc960 fffff800`02cba853 : fffffa80`05f45060 00000000`004efb38 fffff880`02bfcbc8 fffff880`02bfcc00 : nt!NtWaitForMultipleObjects+0xe5
    fffff880`02bfcbb0 00000000`7747046a : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : nt!KiSystemServiceCopyEnd+0x13
    00000000`004efb18 00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : 0x7747046a
    
    
    STACK_COMMAND:  kb
    
    FOLLOWUP_IP: 
    nt! ?? ::FNODOBFM::`string'+46451
    fffff800`02c52fac cc              int     3
    
    SYMBOL_STACK_INDEX:  1
    
    SYMBOL_NAME:  nt! ?? ::FNODOBFM::`string'+46451
    
    FOLLOWUP_NAME:  MachineOwner
    
    MODULE_NAME: nt
    
    IMAGE_NAME:  ntkrnlmp.exe
    
    DEBUG_FLR_IMAGE_TIMESTAMP:  4b88cfeb
    
    FAILURE_BUCKET_ID:  X64_0x18_nt!_??_::FNODOBFM::_string_+46451
    
    BUCKET_ID:  X64_0x18_nt!_??_::FNODOBFM::_string_+46451
    
    Followup: MachineOwner
    ---------
    This dump doesn't tell us much except that it points to hardware or drivers.

    To answer your question, yes, it could be the motherboard; but I would have expected some different error codes if it were the motherboard. I am still leaning toward the video card based on what I have seen.
      My Computer


  2. Posts : 32
    Windows 7 Home Premium 64 bit
    Thread Starter
       #32

    Thanks Carl. I think I'll see if I can swap graphics cards with a mate and see what happens. PC does seem to be much more stable with catalyst 10.6s' but i want it 100% stable. MSI have asked me to try another card before they send me a new bios. I will let you know what happens.
      My Computer


  3. Posts : 11,990
    Windows 7 Ultimate 32 bit
       #33

    Thanks for the update. Let us know how another video card does.
      My Computer


  4. Posts : 32
    Windows 7 Home Premium 64 bit
    Thread Starter
       #34

    I've put in an old 1900xt for the time being so will see how that goes. Could the sort of artifacting I've been getting be caused by a faulty power supply? Just want to rule everything else out before I go down the RMA route. I bought the PSU at the same time as the card. It's an Antec Truepower New 650 watt. Would be strange as the PC runs 3d perfectly fine though.
      My Computer


  5. Posts : 13,354
    Windows 7 Professional x64
       #35

    Antec is a reputable brand, but every product has a certain risk of failure.

    If the PSU is faulty, it can result in random errors difficult to diagnose. BSODs are a possibility.

    If you have another PSU to test, for it.
      My Computer


  6. Posts : 32
    Windows 7 Home Premium 64 bit
    Thread Starter
       #36

    Well it doesn't look like its the graphics card. I haven't had the artifacts again but computer has been locking up in windows and even in bios. I won't be able to test power supply until I bring my volt meter back from work Tuesday. Is there any software which can monitor voltages accurately? The CPU is fairly new so I don't think it could be that. I have run memtest overnight and it found no problems but I am running with just one stick of RAM to see what happens. which component do you think is the chief suspect?
      My Computer


  7. Posts : 11,990
    Windows 7 Ultimate 32 bit
       #37

    Do you have any new dmp files? I have to suspect hardware since you are having problems in BIOS.
      My Computer


  8. Posts : 32
    Windows 7 Home Premium 64 bit
    Thread Starter
       #38

    Hi Carl. Unfortunately the crash didn't create a dmp file. Since I have only been running with one stick of RAM so far the system has been stable. I ran memtest overnight and no errors were found. I will run it with the other stick tonight. Could the system be struggling to run 800mhz dual channel mode with ATI cards? If so could it cause crashes like I have been experiencing? It ran 800mhz fine with nvidia. Would it be worth running 667mhz and see if its stable? I noticed in BIOS that my motherboard won't allow me to enter the correct timings either. My memory is CM2X2048-6400C5DHX which should run at 5-5-5-18. I can only set 5-5-5-15. Was never a problem previously but I am wondering whether The ATI cards are fussier. I can rule out the power supply tomorrow when I can pick my volt meter up. Could intel speedstep cause issues like this? Sort of plucking at straws now!
      My Computer


  9. Posts : 11,990
    Windows 7 Ultimate 32 bit
       #39

    I would say that since you are stable with one stick, the indication is definitely a RAM problem. We will know more when you test the other stick.

    When you start asking about the capabilities of your board and its effect, you are out of my area of limited expertise. I am not a hardware guy. If your system is struggling to run your RAM, yes it can definitely trigger crashes. I have never delved into RAM voltages, overclocking, under clock, etc. But there are some good hardware folks here. I will post a call for help with your questions. Stay tuned.
      My Computer


  10. Posts : 11,408
    ME/XP/Vista/Win7
       #40

    1) Check your PSU.

    2) Clear your BIOS. Clear CMOS - 3 Ways to Clear the CMOS - Reset BIOS
      My Computer


 
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