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  • Blog Post: Fixing an ICorDebugUnmanagedCallback induced hang

    Hi debuggers, Andrew Richards here with a NTDebugging post that is a little different to what is usually posted.   Instead of talking about debugging, I’m going to talk about an issue I just faced while writing a debugger.   This debugger work ...read more
  • Blog Post: Debugging Backwards: Proving root cause

    Matt Burrough here again.   On rare occasions when debugging, we'll actually know (or strongly suspect) what the root cause of a problem is at the beginning of our analysis - but we still need to investigate to confirm our assertion.   The following ...read more
  • Blog Post: How To Deadlock Yourself (Don’t Do This)

    Some APIs should come with a warning in big red letters saying “ DANGER! ”, or perhaps more subtly “ PROCEED WITH CAUTION ”.  One such API is ExSetResourceOwnerPointer . Although the documentation contains an explanation of what limited activity ...read more
  • Blog Post: What Did Storport Do With My I/O?

    In a previous article I showed how to track an I/O request from the filesystem, through the class driver, and to the storage driver.  In that article I concluded with " From this data we can usually assume that the request has been sent to the ...read more