Rich Lafferty wrote: > On Thu, Jan 22, 2004 at 05:16:47PM +0100, Julien Le Houérou > <julien.le-houerou@xxxxxx> wrote: > > > > Ok, so i'd better use smp for my p4-hyper-threading? > > I believe so, since a hyperthreaded processor appears as two > processors. > But all of my machines with hyperthreaded CPUs also have multiple > CPUs, so I'm not sure. You could try booting the uniprocessor kernel > to see if "both" CPUs show up. > > -Rich > > -- > Rich Lafferty No, you need an SMP kernel to access both "processors" on a hyperthreading P4. And if you have problems with SMP enabled but not on UP the check out: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=109497 Cheers, Phil --------------------------------------------- Phil Randal Network Engineer Herefordshire Council Hereford, UK