Date: Sat, 18 Mar 2006 22:22:21 -0600 From: Vulpes Velox <v.velox@vvelox.net> To: "Larry Rosenman" <ler@lerctr.org> Cc: freebsd-hackers@freebsd.org, 'Tom Daly' <tom@dyndns.com> Subject: Re: Recommended SMP Config Message-ID: <20060318222221.3ecea90f@vixen42.vulpes> In-Reply-To: <006701c649ec$74c64c20$0a0a0a0a@aus.pervasive.com> References: <200603171234.52743.jhb@freebsd.org> <006701c649ec$74c64c20$0a0a0a0a@aus.pervasive.com>
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On Fri, 17 Mar 2006 11:58:54 -0600 "Larry Rosenman" <ler@lerctr.org> wrote: > John Baldwin wrote: > > On Friday 17 March 2006 12:00, Tom Daly wrote: > >>> Because CPU 1 is a hyperthread. So is CPU 3 for that matter. > >> > >> That makes sense, but CPU 3 shows up in top without setting > >> machdep.hyperthreading_allowed=1. ??? > > > > Yes, that's a bug. > > I saw the same thing on my AMD64 system as well, if that matters. I am curious, how are you seeing this on the AMD64 when it is not hyperthreaded? > I've since set machdep.hyperthreading_allowed=1, but was curious. > > Thanks for the confirmation that it's a bug. > > If you or anyone needs a test bed, I have a dual-xeon em64t box > that I can give access to.
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