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  • 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 disk drive and we are waiting for the disk to respond"...
  • Blog Post: How Queue Deadlocks Happen

    I recently worked on an interesting system hang issue with a deadlocked work queue and wanted to share some information about how we resolved the issue.   In this example, we will demonstrate how a cascaded work item can deadlock a work queue.  As you can see from the illustration, we have...
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