From owner-freebsd-current@freebsd.org Wed Jan 4 19:30:53 2017 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id B3FBBC9FDD3; Wed, 4 Jan 2017 19:30:53 +0000 (UTC) (envelope-from steve@sohara.org) Received: from smtp3.irishbroadband.ie (smtp3.irishbroadband.ie [62.231.32.5]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 7FAFC1820; Wed, 4 Jan 2017 19:30:53 +0000 (UTC) (envelope-from steve@sohara.org) Received: from [89.127.62.20] (helo=smtp.lan.sohara.org) by smtp3.irishbroadband.ie with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.76) (envelope-from ) id 1cOrGm-0000u1-Bm; Wed, 04 Jan 2017 19:30:44 +0000 Received: from [192.168.63.1] (helo=steve.lan.sohara.org) by smtp.lan.sohara.org with smtp (Exim 4.87 (FreeBSD)) (envelope-from ) id 1cOrHP-000PRl-9L; Wed, 04 Jan 2017 19:31:23 +0000 Date: Wed, 4 Jan 2017 19:30:37 +0000 From: Steve O'Hara-Smith To: Eric Joyner Cc: Shane Ambler , freebsd-questions , FreeBSD Current Subject: Re: How many CPU cores does FreeBSD support? Message-Id: <20170104193037.a5eb179a8a1182b12333547c@sohara.org> In-Reply-To: References: X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.29; amd64-portbld-freebsd10.1) X-Clacks-Overhead: "GNU Terry Pratchett" Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Mailman-Approved-At: Wed, 04 Jan 2017 19:36:37 +0000 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 04 Jan 2017 19:30:53 -0000 On Wed, 04 Jan 2017 18:53:23 +0000 Eric Joyner wrote: > MADT: Ignoring local APIC ID 303 (too high) Hmm you said this machine has 272 cores so clearly the IDs have gaps (I have no idea why there are gaps or where these IDs are allocated though). I expect you'll find that 223 of the cores have IDs below 256 and the remaining 49 have IDs of 256 and above and FreeBSD is not using those cores. -- Steve O'Hara-Smith