What to do is your system stops with Windows Bug Check (Bluescreen) 0x0000007F

What to do is your system stops with Windows Bug Check (Bluescreen) 0x0000007F

OS: Windows 8 (Core, Professional, Enterprise)

Version: Either 32 or 64 bit versions

Symptom: System stops with Windows Bug Check (Bluescreen) 0x0000007F

Issue: A kernel level driver is not allowed to handle the exception, or the driver has two consecutive failures (double fault)

Caution: Kernel Mode Traps in most cases are caused by faulty drivers, and not the Operating System. First glance dump file analysis with Bluescreen View, WhoCrashedMe and even Windows Debugger may not point to the correct cause, and additional analysis is required!

Troubleshooting using Windows Debugger (WinDbg):

1. Open the minidump file in Windows Debugger

2. At the command prompt type !analyze –v <Enter>

3. Press CTRL-F and search for "STACK_TEXT" (without quotes)

This should bring you to the begin of the memory stack, and should read similar to the example below:


8df1b118 8c64de77 8df1b4a0 87ca29d8 00009280 Ntfs!NtfsLookupAllocation+0x15e

8df1b1bc 8c64dc95 8df1b4a0 8902c008 87ca29d8 Ntfs!NtfsPrepareSimpleBuffers+0x11b

8df1b1f8 8c64d02d 8902c008 87ca29d8 09280000 Ntfs!NtfsPrepareBuffers+0x5d

8df1d344 94c8448c 00000000 b0fe8bf0 8df1d3a0 BHDrvx86+0x7f0ce

Scroll to the very last line of the Stack Text and look for the driver/module loaded:

8df1d344 94c8448c 00000000 b0fe8bf0 8df1d3a0 BHDrvx86+0x7f0ce

4. Extract the file name, in this case BHDrvx86, and research in KCS, Bing, Google etc.

Caution: If the last line indicates a Windows driver/module (prefix nt!, ntfs!, filtrmgr!, drx!) move up one line in the stack until you find a driver/module without a prefix.

5. After you identified the respective driver/product, verify it on Microsoft’s Windows Compatibility site for compatibility with Windows 8.

6. Replicate the action that triggered the Bug Check, e.g. reboot, copy the same file the customer copied …

7. Repeat the stack analysis until the issue is resolved


Rename either the driver which caused the Bug Check, or uninstall the respective application/driver If the driver/application is not marked as compatible with Windows 8, educate the customer on the compatibility issue and provide the link to the Windows Compatibility site.

Quick Tips content is self-published by the Dell Support Professionals who resolve issues daily. In order to achieve a speedy publication, Quick Tips may represent only partial solutions or work-arounds that are still in development or pending further proof of successfully resolving an issue. As such Quick Tips have not been reviewed, validated or approved by Dell and should be used with appropriate caution. Dell shall not be liable for any loss, including but not limited to loss of data, loss of profit or loss of revenue, which customers may incur by following any procedure or advice set out in the Quick Tips.

Identificación del artículo: SLN115843

Última fecha de modificación: 08/16/2018 10:10 AM

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