1. #1

    [Win7 x64] BSOD 0x7f UNEXPECTED_KERNEL_MODE_TRAP caused by ntoskrnl.exe

    Hello guys! I keep getting this bsod almost every day and it happens randomly when I'm playing games or just browsing internet.
    I have almost tried everything that I can example:
    1.Underclock my cpu to default settings
    2. Clear my GPU drivers and installing new ones
    3. Stresstested both GPU and CPU and memory (No errors)
    4. Updated my BIOS

    Specs:
    Asus z77 lx2
    Intel i5 3570k
    Gigabyte GTX 760
    Corsair XMS3 8Gb
    1000Gb HDD and Intel 120Gb SSD
    Windows 7 ultimate 64bit

    Here is bugcheck analysis: Paste2.org - Viewing Paste Ds0KvMWw
    Also here is the logs


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  2. #2
    Jared's Avatar
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    re: BSOD 0x7f UNEXPECTED_KERNEL_MODE_TRAP caused by ntoskrnl.exe - Windows 7 x64

    Code:
    BugCheck 7F, {8, 80050033, 406f8, fffff800034c9d3d}
    You are having bugchecks which are consistent in that they're all Unexpected Kernel Mode Traps caused by Double Faults.
    This means that the CPU had an issue that occurred during an operation to service an exception or interrupt, most likely an exception as these are synchronous events that are caused by executing threads whereas interrupts are asynchronous events that can happen at any time for any particular reason, a double fault isn't allowed so it causes a bugcheck immediately.

    I'm struggling to find anything revealing on the callstack, given that this is a minidump I can't check all the other processors.

    I decided to look at the unloaded modules.
    Now the two modules that caught my eye are highlighted red.

    Code:
    fffff880`07dad000 fffff880`07db3000   RTCore64.sysfffff880`07cf2000 fffff880`07d28000   WUDFRd.sys
    fffff880`01d50000 fffff880`01d5e000   crashdmp.sys
    fffff880`04218000 fffff880`045bc000   dump_iaStor.
    fffff880`045bc000 fffff880`045cf000   dump_dumpfve
    Researching the RTCore64.sys driver I found the following.

    RivaTuner/EVGA Precision/MSI Afterburner (known BSOD issues w/Win7)

    This software should be removed.

    The dump_iaStor is a driver created to provide disk access for the crash dump to be written, more specifically it's for Intel Rapid Storage Technology which should be removed via device manager.

    To do so, follow these instructions...

    Right click on my computer, then click manage.
    Once in the computer management window select device manager on the left side.
    Then expand disk drives.
    Under all the disk drives right click on them one by one and uninstall each one.
    Then restart the computer.

    Post back the results.

  3. #3

    re: BSOD 0x7f UNEXPECTED_KERNEL_MODE_TRAP caused by ntoskrnl.exe - Windows 7 x64

    Okay I have removed the programs you told me to remove. Also uninstalled every disk drive I had there.
    Also I have taken off 1 ram module (now I have 4Gb atm) for making sure that it's not faulty ram. No bsod so far, I ran 5hour prime95 without any errors. Let's see when I start playing games what will happen.

  4. #4

    Re: BSOD 0x7f UNEXPECTED_KERNEL_MODE_TRAP caused by ntoskrnl.exe - Windows 7 x64

    Thanks alot! Over a week and no bsod yet!! I'm really happy, thanks Jared (:
    Last edited by JX24; 06-17-2014 at 04:27 PM. Reason: Wrong word

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