Part III
Case Studies in GPL Enforcement

Preface
20 Overview of Community Enforcement
 20.1 Termination Begins Enforcement
 20.2 Ongoing Violations
 20.3 How are Violations Discovered?
 20.4 First Contact
21 ThinkPenguin Wireless Router: Excellent CCS
 21.1 Consumer Purchase and Unboxing
 21.2 Root Filesystem and Kernel Compilation
 21.3 U-Boot Compilation
 21.4 Root Filesystem and Kernel Installation
 21.5 U-Boot Installation
 21.6 Firmware Comparison
 21.7 Minor Annoyances
 21.8 Lessons Learned
22 Bortez: Modified GCC SDK
 22.1 Facts
 22.2 Lessons
23 Bracken: a Minor Violation in a GNU/Linux Distribution
 23.1 The Facts
 23.2 Lessons Learned
24 Vigorien: Security, Export Controls, and GPL Compliance
 24.1 The Facts
 24.2 Lessons Learned
25 Haxil, Polgara, and Thesulac: Mergers, Upstream Providers and Radio Devices
 25.1 The Facts
 25.2 Lessons Learned