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  • Blog Post: Debugging a Generation 2 Virtual Machine

    Hyper-V is based on the 440BX (PCI) chipset for emulation. The decision to use this chipset started years ago with Connectix Virtual PC.  The advantage of using an emulated chipset based on a popular motherboard like the 440BX, along with associated peripherals, is the compatibility with a large...
  • Blog Post: Leaving the Do Not Disturb Sign on the Door Will Cause the KERNEL_APC_PENDING_DURING_EXIT Bugcheck

    This is Ron Stock from the Global Escalation Services team and I recently worked with a customer to determine which misbehaving driver was crashing their critical server. This particular crash was a STOP 0x00000020 which maps to KERNEL_APC_PENDING_DURING_EXIT.   The KERNEL_APC_PENDING_DURING_EXIT...
  • Blog Post: Case of the Unexplained Services exe Termination

    Hello Debuggers! This is Ron Stock from the Global Escalation Services team and I recently worked an interesting case dispatched to our team because Services.exe was terminating. Nothing good ever happens when Services.exe exits. In this particular case, client RDP sessions were forcibly disconnected...
  • Blog Post: Hunting for Bugs, but Found a Worm

    Hi All, my name is Ron Riddle and I’m an Escalation Engineer on the core Windows team. I worked an issue recently wherein a svchost.exe was crashing due to heap corruption; so, after enabling Page Heap and breaking out the services as needed, I received a user-mode dump that would show me the culprit...
  • Blog Post: Reminder: Windows NT Debugging Blog Live Chat 2 Coming Soon!

    Windows NT Debugging Blog Live Chat Microsoft Platform Global Escalation Services is hosting our second live group debug chat session for the debugging community on March 17, 2009 at 11 AM Pacific Time. We will be focusing on debugging techniques and any questions you may have about anything we’ve...
  • Blog Post: Windows NT Debugging Blog Live Chat 2

    Windows NT Debugging Blog Live Chat Microsoft Platform Global Escalation Services is hosting our second live group debug chat session for the debugging community on March 17, 2009 at 11 AM Pacific Time. We will be focusing on debugging techniques and any questions you may have about anything we’ve...
  • Blog Post: Beefier Breakpoints Using Debugger Scripts

    Written by Ron Stock I recently collaborated with a third-party vendor which required me to track down a problem during the Vista upgrade process. The issue came down to catching a Microsoft component opening a specific registry service key during the setup process. Issues like this frequently call...
  • Blog Post: Smoking Gun Pool Corruption

    Hello, my name is Ron Stock and I’m an Escalation Engineer on the Microsoft Platforms Global Escalation Services Team. Today I’m going to talk about pool corruption which manifests itself in various ways. It’s usually hard to track down because the culprit is long gone when the machine crashes. Tools...
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