DragonFly Release 2.2 – 17 February 2009

“DragonFly 2.2.0 Release Notes

“Release Improvements

• A new DVD ISO release image is now available, in addition to
  the CD release.
• The new DVD release has a full X environment ready-to-go and
  many packages pre-installed.
• A full pkgsrc tar is now available on the CD/DVD in /usr.
• Full sources tar now available on the DVD (kernel sources only
  on the CD), in /usr.
• The nrelease build now trivializes package selection for people
  creating customized releases.
• The installer is now able to create a HAMMER filesystem
  setup.

“Kernel changes

• First step towards AMD64 support (done by Jordan Gordeev during
  the Google Summer of Code 2008).
• The system control intr_mpsafe is enabled by default.
• Move /kernel to /boot/kernel and /modules to
  /boot/modules.
• Add RFC3542 support (done by Dashu Huang during the Google
  Summer of Code 2008).
• Add HW checksum support to the loopback interface, which
  doubles performance.
• acpi_cpu(4) update. It’s now possible to use higher (lower
  power usage) C states than C1 in modern (multicore) CPUs.
• First steps to use network threads without the Big
  Giant Lock (this feature is considered experimental).

Complete
Story