BSOD UNEXPECTED_KERNEL_MODE_TRAP 0x0000007f after graphics driver

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  1. Posts : 2,014
    Windows 7 Professional 64bit
       #31

    Me too!! Still Monitor.sys as the culprit.

    See this thread as it is a very similar issue to yours, it was resolved by SHE update that
    we tried before, but try uninstalling the monitor.sys as described here, see if that resolves?:

    ASUS EEEPC 1005 startup repair loop-hardware issue?

    Cheers

    Dave
      My Computer


  2. Posts : 25
    Windows 7 Starter 32bit
    Thread Starter
       #32

    Ok, I followed the steps in the other post. I went into safe mode. In cmd had system restart in 5 min. Used command to show Monitor in device manager while in safe mode. It had one Generic and one digital flat panel 1024x768. I uninstalled both Monitor drivers as well as the Display adapters (Intel 3150). I then removed monitor.sys (I have done this in the past and whenever I remove monitor.sys, it magically reappears when I reboot).

    I rebooted normally (not safe mode). No monitor.sys is present in systems32>drivers. In device manager, I have: display adapter as Standard vga and in Monitors I have Generic PnP (with exclamation point) and one Unknown device with exclamation point.

    The fact that monitor.sys doesn't reappear is different. What now? I'm gonna wait until ur suggestion. Shall I try to update display adapter to Intel or update Monitor to something else?

    Also, remember I reinstalled Win7 Starter and never installed Super Hybrid Engine, so that is moot, not part of this equation. Thanks.
      My Computer


  3. Posts : 2,014
    Windows 7 Professional 64bit
       #33

    Hi,

    Ok. Now create a System Restore point, now monitor.sys is removed. (Just in case we need to try a different approach)

    Now install the Intel driver.

    1. What is the state in device manager with Intel driver installed? (Post a screenshot please)

    2. Does the Intel driver crash the system now when installed?


    cheers

    Dave
      My Computer


  4. Posts : 25
    Windows 7 Starter 32bit
    Thread Starter
       #34

    Oh brother, as soon as I install the Intel driver...crash. What the snickerdoodles! Anyway, I've attached the pre intel install screenshot of device manager and after intel install (in safe mode using the command to show hidden monitor).

    Also, noticed that monitor.sys has automatically reappeared in the drivers folder.
      My Computer

  5.    #35

    Hi NeoJediX,

    BSOD Analysis:

    ------------------------------------------------------------------

    Code:
    BugCheck 7F, {0, 0, 0, 0}
    
    Probably caused by : monitor.sys ( monitor!BrightnessTargetToPercentage+32 )
    Code:
    Usual causes:  Memory corruption, Hardware (memory in particular), Overclocking failure, Installing a faulty or mismatched hardware (especially memory) or a failure after installing it, 3rd party firewall, Device drivers, SCSI/network/BIOS updates needed, Improperly seated cards, Incompatible storage devices, Overclocking, Virus scanner, Backup tool, Bad motherboard, Missing Service Pack
    The bugcheck indicates that your Intel CPU, generated a trap and the kernel wasn't able to catch this trap.

    The error which occurred is here:

    Code:
    TRAP_FRAME:  86e3b590 -- (.trap 0xffffffff86e3b590)
    ErrCode = 00000000
    eax=00000000 ebx=7b241dc0 ecx=00000000 edx=00000000 esi=84dbe400 edi=84dbe544
    eip=a1d0464a esp=86e3b604 ebp=86e3b604 iopl=0         nv up ei pl zr na pe nc
    cs=0008  ss=0010  ds=0023  es=0023  fs=0030  gs=0000             efl=00010246
    monitor!BrightnessTargetToPercentage+0x32:
    a1d0464a f7f1            div    eax,ecx
    As we can see, the instruction issued was to divide the eax and ecx registers, the registers contain the value 0, and this is illegal operation, you not able to divide a value by 0.

    Code:
    LOCK_ADDRESS:  81769f60 -- (!locks 81769f60)
    
    Resource @ nt!PiEngineLock (0x81769f60)    Available
    
    WARNING: SystemResourcesList->Flink chain invalid. Resource may be corrupted, or already deleted.
    
    
    WARNING: SystemResourcesList->Blink chain invalid. Resource may be corrupted, or already deleted.
    I'm going to guess that there may be some form of memory corruption, from what I'm guessing, the linked list for the system resources is now invalid, since the Flink and Blink don't point to correct node or the that node doesn't exist anymore. I've just read that PiEngineLock is a PnP and Power State lock. I believe a lock is used by a thread to control the access to the resource by other threads.

    Code:
    0: kd> vertarget
    Windows 7 Kernel Version 7600 MP (2 procs) Free x86 compatible
    Product: WinNt, suite: TerminalServer SingleUserTS Personal
    Built by: 7600.16385.x86fre.win7_rtm.090713-1255
    Machine Name:
    Kernel base = 0x81650000 PsLoadedModuleList = 0x81798810
    Debug session time: Wed Jun 26 09:44:14.645 2013 (UTC + 1:00)
    System Uptime: 0 days 0:00:36.441
    --------------------------------------------------------------------

    Steps to Do:

    Install Service Pack 1:

    Service Pack 1 has provided many security and stability updates for Windows 7, which would be highly beneficial for your system.

    Update:

    Code:
    1: kd> lmvm igdkmd32
    start    end        module name
    89804000 89d0c000   igdkmd32 T (no symbols)           
        Loaded symbol image file: igdkmd32.sys
        Image path: \SystemRoot\system32\DRIVERS\igdkmd32.sys
        Image name: igdkmd32.sys
        Timestamp:        Mon Oct 25 05:10:01 2010 (4CC50319)
        CheckSum:         004989CE
        ImageSize:        00508000
        Translations:     0000.04b0 0000.04e4 0409.04b0 0409.04e4
    Your Intel graphics driver seems to be a possible cause, and is possibly outdated, please first check your model support page for updates, or check for updates from here - Intel® Driver Update Utility

    Run Driver Verifier to scan for any corrupted drivers which may be causing problems, this program works by running various stress tests on drivers, in order to produce a BSOD which will locate the driver; run for least 24 hours:

       Information

    *Note*:The monitor.sys driver will reappear since it's a Windows driver.
      My Computer


  6. Posts : 25
    Windows 7 Starter 32bit
    Thread Starter
       #36

    Ok, gonna try again. Installing SP1 now. Will turn on Driver Verification and let it run for at least 24hrs and report back.
      My Computer

  7.    #37

    Okay thanks, please keep us informed of your progress :)
      My Computer


  8. Posts : 25
    Windows 7 Starter 32bit
    Thread Starter
       #38

    So xBlue,

    I have now installed SP1 (I'm hsure u read this thread up to this point, but I initially started out with SP1. I did a clean install of Win7 to eliminate as many factors as possible. As of now, as soon as u install any version of Intel graphics...BSOD.) I also have the latest Intel driver installed.

    Quick question: If I turn on Driver Verification, but cannot enable the Intel graphics driver without crashing, how will you know what it's conflicting with? Nonetheless, I will enable and report back.
      My Computer

  9.    #39

    Does it still crash without the Intel drivers? I would run Driver Verifier on the Intel drivers, just so we can get a clearer idea of what I/O violations the drivers may be giving to cause the system to crash.
      My Computer


  10. Posts : 25
    Windows 7 Starter 32bit
    Thread Starter
       #40

    As soon as u install the Intel driver, it crashes (soon after it tries to load the desktop). It seems to work for about 10 seconds. The resolution is higher (1024x600). Without Intel driver, it does not crash. So should I go ahead and enable the Intel driver and let it crash at startup? There is no way to use the system obviously for an extended about of time with the Intel installed. I need to somehow add the Intel driver to the driver verification list while in safe mode or with Intel disabled then reboot with Intel enabled and let it crash. Suggestions?
      My Computer


 
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