On Fri, May 20, 2005 at 11:30:26PM +0200, Goran Gajic wrote: > > > I have compiled my kernel with options SMP and with following > options in hope that I will be able to drop into debuuger > after fatal trap 12 (FreeBSD-5.4-STABLE). I have added following > lines to my config: > > options KDB > options KDB_TRACE > options DDB > > Although dmesg | grep SMP says > FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs > SMP: AP CPU #3 Launched! > SMP: AP CPU #1 Launched! > SMP: AP CPU #2 Launched! > > top shows that processes are running only on CPU's 0 and 2. > systat also shows: > > root idle: cpu0 XXXXXXXXXXXXXXXXXXX > nobody squid XXXXXXXXXXXXXXXXXX > root idle: cpu2 XXXXXXXXXXX > root swi1: net X > > > Is this normal, or am I missing something?
Do you really have 4 CPUs, or 2 CPUs with hyperthreading, which is now disabled by default (see the recent security advisory)? Kris
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