Axe(4) grinding

Joerg Sonnenberger has commited a whole pile of updates to various network drivers, among them axe(4). He warns that anyone with a axe(4) device should give it a whirl, as the driver is untested at this point.

Finding the BGL

ps (from Matthew Dillon’s recent change) is now able to show which processes are and are not holding the “Big Giant Lock”, a symptom of multiprocessor use inherited from FreeBSD.

If you aren’t familiar with the BGL, Greg Lehey wrote a good explanation in Daemonnews. (look for the section labeled “The SMP Problem”)