On Thu, 3 Jun 2010, Pekka Enberg wrote: > On Tue, Jun 1, 2010 at 10:48 PM, Christoph Lameter > <cl@xxxxxxxxxxxxxxxxxxxx> wrote: > > On Tue, 1 Jun 2010, Randy Dunlap wrote: > > > >> > >>> My cpu is an I7 920, so it has 4 cores and there's hyperthreading > >> > >>> enabled, so there are 8 logical cpus. Is this a bug? > > > > Yes its a bug in the arch code or BIOS. The system configuration tells us > > that there are more possible cpus and therefore the system prepares for > > the additional cpus to be activated at some later time. > > I guess we should CC x86 maintainers then! Its also a know BIOS problem with Dell f.e. They often indicate more potential cpus even if this particular hw configuration cannot do cpu hotplug. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>