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QuestionWin 10 Crash again (captured DMP file) - hw Pin
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AnswerRe: Win 10 Crash again (captured DMP file) - hw Pin
Munchies_Matt17-Mar-18 8:50
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You can set windbg to use microsoft public symbols by specifying

srv*c:\Mylocalfolder*http://msdl.microsoft.com/download/symbols

In the symbols dialog. This helps a lot with reading the stack.

You can run !analyze -v in windbg command window (at the bottom) which will run a basic diagnostic.

So, the bug itself happens when a PC does a power transition, so awake to suspend, awake to sleep, or awake to powered off, or vice versa. ( This is the only time windows sends power IRPs (IO request packet) to the driver stacks.)


Is this what happened?

If not then the dump file you have relates to the restart after the first crash. And the size is normal, it is the entire memory written to file.

The system always overwrites memory.dmp with a new one if it crashes. However you can also get it to write a minidump. (system advanced start up and recovery). These files are much smaller, arent as useful of course, but are time stamped.


But, I would be very surprised if pci.sys held on to a power IRP, so it is either a false positive, or some other driver in the stack thats making pci.sys f*** up.


This is where the fun starts. Verifier.exe is a tool that can monitor drivers for bad behaviour. It can only manage two or three at a time. SO run it, select custom settings, select all the checks except code integrity, VM and low resource, and then select two or three non microsoft drivers.

Hopefully verifier will point out the bad driver and you can get rid of it, or try to find an update. (And there are many bad third party drivers out there. A heck of a lot)


The reason you often get false positives is that one driver can overwrite anothers memory. When the second driver runs, can be many hours later, it does something wrong because it is now using bad data, or a bad address, and it fails. But it isnt at fault, it is the first driver.
GeneralRe: Win 10 Crash again (captured DMP file) - hw Pin
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