An Implementation of User-level Restartable Atomic
Paper by Gregory McGarry detailing part of the groundwork needed for NetBSD's threading system and scheduler activations. [Freenix]
NetBSD and Handheld Platforms
A paper describing the technical challenges in porting NetBSD to a handheld devices, as well as reasons one would wish to install it on one. [EuroBSDCon]
NetBSD Device Driver Writing Guide
Contains links to a NetBSD device driver writing guide, in both english and german, as well as other misc. information about NetBSD on various platforms.
NetBSD Ppbus Project
A project whose aim is to update the printing subsystem for the NetBSD operating system to use the ppbus system developed on FreeBSD, another open source BSD system.
Scheduler Activations on NetBSD
Paper by Nathan Williams regarding the implementation of scheduler activations on NetBSD. [Freenix]
Some NetBSD resources
Anders Dinsen's personal NetBSD page. Contains details on his port of NetBSD to Eicon MIPS based machines, and a NetBSD kernel documentation overview.
The Design and Implementation of the NetBSD rc.d S
Paper by Luke Mewburn on the implementation of NetBSD 1.5's new startup system. [Freenix]
UBC: An Efficient Unified I/O and Memory Caching S
http://www.usenix.org/publications/library/proceedings/usenix2000/freenix/full_papers/silvers/silver
A paper by Chuck Silvers about the design and implementation of the Unified Buffer Cache (UBC) in NetBSD. [Freenix]
Under the Hood
A paper by Ignatios Souvatzis entitled "The New Link-Level Independent ARP Subsystem of NetBSD" about kernel internals; how the NetBSD ARP subsystem has been changed to differ from traditional 4.4BSD; and how to change your ethernet driver to conform. [Daemonnews.org]
Verified Executables for NetBSD
Paper by Brett Lymn describing his implementation of a "kernel-level tripwire" for NetBSD.