1. #1

    Smile [Win 10 x64] BSOD Crash 0x7f (8)

    Hi everyone!

    I browsed your forum for a while and thought that possibly you can help me to specify the sourse of BSOD recently occured at my PC.
    My guess - it has something to do with Microsoft USB driver, but I'm not quite sure. I'm bit scared to take any further actions unill I be 100% sure.

    Here is my spec:

    Operating system: Windows 10 Home (Build 15063), 64-bit
    Motherboard: ASUS ROG MAXIMUS IX FORMULA
    Monitor Name: Generic PnP Monitor
    Monitor Model: ASUS VX239
    CPU: Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz (8 CPUs), ~4.2GHz (not overlocked)
    Memory: 32768MB RAM Corsair Vengeance LPX (4x8Gb)
    Hard disk 1: 240Gb SSD Corsair Force LS Series
    Hard disk 2: 4Tb SATA-III HGST (Hitachi) Ultrastar 7K6000
    Graphics: NVIDIA GeForce GTX 1070
    Sound card: Realtek Digital Output (Realtek High Definition Audio)
    Power Supply: 750W Corsair RM750i

    External devices:
    USB3 Hub (with additional power supply)
    WD My Passpoet External drives 2Tb x 4


    Sorry for a bit rought English - it isn't my first language.
    Attached Files Attached Files


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  2. #2
    writhziden's Avatar
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    • specs System Specs
      • Manufacturer:
        Sony
      • Model Number:
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      • Motherboard:
        Sony Corporation VAIO
      • CPU:
      • Memory:
        8.00 GB Crucial CT2KIT51264BF1339 DDR3 1333
      • Graphics:
      • Sound Card:
        Realtek High Definition Audio/nVidia High Definition Audio
      • Hard Drives:
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      • Case:
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      • Cooling:
        Air cooling via fan and heat exchanger heatsink
      • Display:
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      • Operating System:
        Windows 7 Home Premium 64 Bit

    Re: [Win 10 x64] BSOD Crash 0x7f (8)

    The problem is due to your Atheros Bluetooth device. See if there are any driver updates for the device.

    btfilter.sys Tue Aug 30 23:04:48 2016 (57C66570)
    Atheros Bluetooth Driver Official site: Drivers | Qualcomm [br] Unofficial site: http://www.atheros.cz
    http://www.carrona.org/drivers/driver.php?id=btfilter.sys



    I also note several other devices that have outdated drivers:

    lvuvc64.sys Mon Oct 22 20:12:08 2012 (5085FCF8)
    Logitech USB Video Class Driver (WebCam) Logitech Support + Downloads
    http://www.carrona.org/drivers/driver.php?id=lvuvc64.sys

    ISODrv64.sys Wed Nov 20 18:22:28 2013 (528D6054)
    ISO CD-ROM Device Driver - ISODrive http://www.ezbsystems.com/download.htm
    http://www.carrona.org/drivers/driver.php?id=ISODrv64.sys

    IOMap64.sys Wed Oct 22 18:52:12 2014 (5448513C)
    ASUS Kernel Mode Driver ?Asus Smart Doctor/iTracker 2 Asus GPU Tweak and GPU Tweak Streaming from this link: http://www.eightforums.com/bsod-cras...tml#post388083 ) http://support.asus.com/ServiceHome.aspx?SLanguage=en
    http://www.carrona.org/drivers/driver.php?id=IOMap64.sys

    ICCWDT.sys Sun Sep 20 01:59:19 2015 (55FE6757)
    IIntel(R) Watchdog Timer Driver http://downloadcenter.intel.com/
    http://www.carrona.org/drivers/driver.php?id=ICCWDT.sys

    Read More:
    kvizerad says thanks for this.
    I am only a volunteer helping users on the forums. Please wait 72 hours before double posting or PMing for help. I appreciate your patience. :-}

  3. #3

    Re: [Win 10 x64] BSOD Crash 0x7f (8)

    Oh, I didn't even thought about it. Thanks a lot I'll try to update my drivers right now.

  4. #4

    Re: [Win 10 x64] BSOD Crash 0x7f (8)

    So I've updated as many drivers as I could (Atheros Wireless Driver, Intel Ethernet Connection Driver etc.). But thing is that I can't update specificly Bluetooth driver (and btfilter.sys as it's essential part) - Qualcomm does not offer support or drivers to end consumers (OEM only) and http://www.atheros.cz isn't working anymore. I don't quite understand why this driver matters on my PC - ASUS FORMULA IX motherboard haven't got any integrated bluetooth ports.

  5. #5
    x BlueRobot's Avatar
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    Re: [Win 10 x64] BSOD Crash 0x7f (8)

    Code:
    BugCheck 7F, {8, fffff8030ba22e70, fffff8030ba0afc0, fffff80308f08657}
    
    Probably caused by : btfilter.sys ( btfilter+1467a )
    The first parameter indicates the type of unhandled exception, and although, the other parameters are undocumented by the debugger, they reveal some interesting details:

    Code:
    0: kd> r $bug_param2
    $bug_param2=fffff8030ba22e70
    The second parameter indicates the address of the trap frame.

    Code:
    0: kd> r $bug_param3
    Last set context:
    $bug_param3=fffff8030ba0afc0
    The third parameter indicates the stack frame pointer of the faulting instruction.

    Code:
    0: kd> r $bug_param4
    Last set context:
    $bug_param4=fffff80308f08657
    The fourth parameter indicates the address of the faulting instruction.

    Let's dump the trap frame, and the stack which was saved before the crash:

    Code:
    0: kd> knL
      *** Stack trace for last set context - .thread/.cxr resets it
     # Child-SP          RetAddr           Call Site
    00 fffff803`0ba0afc0 fffff803`08d9a831 nt!ExAllocatePoolWithTag+0x2b7 << We crash here!
    01 fffff803`0ba0b0b0 fffff801`55a7c22e nt!IoSetCompletionRoutineEx+0x51
    02 fffff803`0ba0b0f0 fffff801`55a9e56d Wdf01000!FxIrp::SetCompletionRoutineEx+0x36
    03 (Inline Function) --------`-------- Wdf01000!FxDevice::_AcquireOptinRemoveLock+0x47ad9
    04 fffff803`0ba0b140 fffff801`55ba1262 Wdf01000!FxDevice::DispatchWithLock+0x47b2d
    05 fffff803`0ba0b230 fffff801`5c27467a ACPI!ACPIDispatchIrp+0x1c2
    06 fffff803`0ba0b2b0 00000000`00000007 btfilter+0x1467a << Our faulty driver
    07 fffff803`0ba0b2b8 ffff9886`7a653f68 0x7
    08 fffff803`0ba0b2c0 ffff9886`7d58ade0 0xffff9886`7a653f68
    09 fffff803`0ba0b2c8 ffff9886`7a586180 0xffff9886`7d58ade0
    0a fffff803`0ba0b2d0 ffff9886`00000020 0xffff9886`7a586180
    0b fffff803`0ba0b2d8 00000000`00000000 0xffff9886`00000020
    It appears that a pool allocation was attempted to be made, however, once the stack frame was pushed onto the call stack, the stack overran and the system crashed.

    I've examined the pool allocation and it appears it for the I/O Manager, which makes sense since the Atheros Bluetooth driver was making calls in relation to I/O.

    Code:
    0: kd> !pooltag IoUs
    Pooltag IoUs
    Description: I/O SubSystem completion Context Allocation
    Driver!Module: nt!io
    The stack consumption of each frame can be found using the !stackusage extension:

    [code]

    Code:
    0: kd> !stackusage
    Stack Usage By Function
    =================================================================================
    
          Size     Count  Module
    0x00000140         1  nt!KiBugCheckDispatch
    0x000000F0         1  Wdf01000!FxDevice::DispatchWithLock
    0x000000F0         1  nt!ExAllocatePoolWithTag
    0x00000080         1  ACPI!ACPIDispatchIrp
    0x00000050         1  Wdf01000!FxIrp::SetCompletionRoutineEx
    0x00000040         1  nt!IoSetCompletionRoutineEx
    0x00000008         1  btfilter
    0x00000008         2  nt!KeBugCheckEx
    
    Total Size: 0x00000440
    
    
    Stack Usage By Module
    =================================================================================
    
          Size     Count  Module
    0x00000278         5  nt
    0x00000140         2  Wdf01000
    0x00000080         1  ACPI
    0x00000008         1  btfilter
    The nt! module will have the largest stack consumption due to the number of calls which are made by other drivers.

    Please update the driver as suggested in the above post.
    kvizerad says thanks for this.
    Machines Can Think

    Oxygen, Nature's paradox.

  6. #6
    x BlueRobot's Avatar
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    Re: [Win 10 x64] BSOD Crash 0x7f (8)

    If you don't need or use the driver, then I would suggest removing it from your system.
    kvizerad says thanks for this.
    Machines Can Think

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  7. #7

    Re: [Win 10 x64] BSOD Crash 0x7f (8)

    Ok, thank for advise x BlueRobot. I'll report by results.

  8. #8
    x BlueRobot's Avatar
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    Re: [Win 10 x64] BSOD Crash 0x7f (8)

    Thanks kvizerad, I apologise for the delayed response, has there been any other issues?
    kvizerad says thanks for this.
    Machines Can Think

    Oxygen, Nature's paradox.

  9. #9

    Re: [Win 10 x64] BSOD Crash 0x7f (8)

    Hi, x BlueRobot! So, I finally managed to update my bluetooth driver - I've found needed distributives on ASUS site (I guest it is good to remember for all owners of ASUS motherbords that most recent drivers can be found only on their site). I tested my PC for four days - no BSOD so far. I guess we may cosider that problem solved.

    Thanks again to everyone on that forum. Your analysis and advices were realy helpful!

  10. #10
    x BlueRobot's Avatar
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    Re: [Win 10 x64] BSOD Crash 0x7f (8)

    Thanks for the feedback, glad we were able to get the problem resolved!
    Machines Can Think

    Oxygen, Nature's paradox.

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