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NTDebugging Puzzler 0x00000004: This didn’t puzzle the Debug Ninja, how about you?

Hello NTDebuggers, we have been very impressed with the responses we’ve gotten to our previous puzzlers so far. We invited the Debug Ninja to come up with a real challenge for this week. This server blue screened with a Bug Check 0xD1: DRIVER_IRQL_NOT_LESS_OR_EQUAL. Read More...
Posted Monday, April 28, 2008 8:18 PM by ntdebug | 12 Comments

NTDebugging Puzzler 0x00000003 (Matrix Edition) Some assembly required.

Hello NTdebuggers, I'm very impressed with the depth of the answers we are seeing from our readers. As I stated in last week's response, this week's puzzler is going to be harder. With that said let's take it up a notch. One of the things that is really Read More...
Posted Monday, April 21, 2008 4:13 PM by ntdebug | 37 Comments
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Disassemble the MBR

UPDATE: This is why we *LOVE* our readers! After posting a 32-bit disassembly of 16-bit MBR code, I was gently informed of my misstep by three sharp-eyed readers. I’ve corrected the original post below. Thanks go out to Ramon Sola, Jeroen Frijters and Read More...
Posted Thursday, March 06, 2008 4:28 PM by ntdebug | 1 Comments
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This button doesn’t do anything!

Hello - Matthew here again. Today I'll be discussing in detail hang scenario #1 that Tate first mentioned a few blogs posts ago . From a debugging perspective, in an ideal world an application would always provide some kind of feedback when a failure Read More...
Posted Friday, June 15, 2007 2:57 PM by ntdebug | 8 Comments

Hung Window?, No Source?, No problem!! Part 2

Written by Jeff Dailey Hello, my name is Jeff, I’m a escalation engineer on the Microsoft CPR (critical problem resolution) platforms team. This blog entry is part 2 of my Hung Window?, No source?, No problem!! Part 1 blog . In this lab we will be debugging Read More...
Posted Friday, June 15, 2007 12:30 PM by ntdebug | 3 Comments

Hung Window?, No source?, No problem!! Part 1

Written by Jeff Dailey Hello, my name is Jeff, I’m a escalation engineer on the Microsoft CPR Platforms team. This blog entry is a follow on for how to detect a hung window . This process and training lab is right out of our CPR Training curriculum. In Read More...
Posted Wednesday, June 13, 2007 6:20 PM by ntdebug | 2 Comments
 
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