Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755922AbcJFLsb (ORCPT ); Thu, 6 Oct 2016 07:48:31 -0400 Received: from lxorguk.ukuu.org.uk ([81.2.110.251]:42702 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752674AbcJFLsW (ORCPT ); Thu, 6 Oct 2016 07:48:22 -0400 Date: Thu, 6 Oct 2016 12:48:00 +0100 From: One Thousand Gnomes To: Markus Trippelsdorf Cc: Gu Zheng , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: Bogus "APIC: NR_CPUS/possible_cpus limit of 4 reached" messages Message-ID: <20161006124800.5a824dfc@lxorguk.ukuu.org.uk> In-Reply-To: <20161006112737.GA308@x4> References: <20161006112737.GA308@x4> Organization: Intel Corporation X-Mailer: Claws Mail 3.13.2 (GTK+ 2.24.30; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 437 Lines: 14 On Thu, 6 Oct 2016 13:27:37 +0200 Markus Trippelsdorf wrote: > On current trunk I get during boot: > > [ 0.000000] APIC: NR_CPUS/possible_cpus limit of 4 reached. Processor 4/0x84 ignored. > [ 0.000000] APIC: NR_CPUS/possible_cpus limit of 4 reached. Processor 5/0x85 ignored. > > I don't think these messages make much sense on a 4-core machine. > Four cores with or without hyperthreading ? Alan