Windows
Advanced Driver Debugging presentation (Microsoft)
Debugging Printer Drivers (Microsoft)
Uninformed - security, reverse engineering and low-level
Production Debugging for .NET Framework Applications
Debugging NDIS Drivers
Smart Questions
WinDbg. From A to Z!
Common WinDbg Commands (Thematically Grouped)
Windows Internals University Courses and Presentations
Windows Virtualization Resources (from WHDC)
Heaps and heap corruption
Basic Windows Crash Dump Analysis
WinDbg tips and tricks
Lectures about kernel internals
Process internals
XP/2003 Debugging Internals (part 1)
XP/2003 Debugging Internals (part 2)
XP/2003 Debugging Internals (part 3)
How to get and analyze Windows Mobile application crash dump
Debugging presentations based on John Robbins books
Debug tips and tricks from codeproject
Advanced Kernel Debugging
MS Videos (Channel 9, Going Deep)
Windows debugging and reverse engineering blog
Reflections on Windows System Programming blog
WinDBG/KD Fun and more
Kernel Mode Drivers blog
WinDbg, SOS and .NET debugging blog (1)
WinDbg, SOS and .NET debugging blog (2)
WinDbg, SOS and .NET debugging blog (3)
Microsoft Critical Problem Resolution Platforms Team blog
x86 - x64 processors
Articles about NTSD, CDB and DbgHelp
Debug Tutorial Part 1: Beginning Debugging Using CDB and NTSD
Debug Tutorial Part 2: The Stack
Debug Tutorial Part 3: The Heap
Debug Tutorial Part 4: Writing WINDBG Extensions
Debug Tutorial Part 5: Handle Leaks
Debug Tutorial Part 6: Navigating The Kernel Debugger
Debug Tutorial Part 7: Locks and Synchronization Objects
Debugging services on Vista
Forensic memory analysis blog
MS WHDC - Driver Fundamentals
Rootkits
Critical Sections
WOW64 (1)
WOW64 (2)
WOW64 (3)
OSR NT Insider articles
Larry Osterman's blog about Win32 and debugging
Debugging service startup and DebugInfo article on this topic
Debugging Guide
Automatic capture of full user dumps on Windows Vista and Windows Server 2008
.NET JIT compilation and resulted native x86 code
Linux
Solaris
Crash Dump Analysis on Solaris x86 - AMD64
FreeBSD