Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 26 Feb 2003 13:27:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 26 Feb 2003 13:27:37 -0500 Received: from kestrel.vispa.uk.net ([62.24.228.12]:65035 "EHLO kestrel.vispa.uk.net") by vger.kernel.org with ESMTP id ; Wed, 26 Feb 2003 13:27:35 -0500 Message-ID: <3E5D096F.9020308@walrond.org> Date: Wed, 26 Feb 2003 18:37:35 +0000 From: Andrew Walrond User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.0.1) Gecko/20021020 X-Accept-Language: en-us, en MIME-Version: 1.0 To: "Grover, Andrew" CC: linux-kernel@vger.kernel.org Subject: Re: /proc/cpuinfo shows only 2 processors on dual P4-Xeon system References: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2870 Lines: 76 Grover, Andrew wrote: > > Enable the ACPI "CPU enumeration only" option. > Ok - just tried that, but I still see only two processors in cpuinfo Any ideas? Relevant part of dmesg: Using ACPI for processor (LAPIC) configuration information KERN_INFO Intel MultiProcessor Specification v1.4 Virtual Wire compatibility mode. OEM ID: ASUS Product ID: PROD00000000 APIC at: 0xFEE00000 I/O APIC #8 Version 17 at 0xFEC00000. I/O APIC #9 Version 17 at 0xFEC01000. I/O APIC #10 Version 17 at 0xFEC02000. Enabling APIC mode: Flat. Using 3 I/O APICs Processors: 4 Building zonelist for node : 0 Kernel command line: ro root=/dev/nfs ip=dhcp console=ttyS0,115200n8 console=tty0 init=/boot/boot.sh Initializing CPU#0 PID hash table entries: 4096 (order 12: 32768 bytes) Detected 2591.629 MHz processor. Calibrating delay loop... 5111.80 BogoMIPS Memory: 3100936k/4194304k available (1348k kernel code, 43644k reserved, 310k data, 304k init, 2228200k highmem) Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes) Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes) Mount-cache hash table entries: 512 (order: 0, 4096 bytes) -> /dev -> /dev/console -> /root CPU: Trace cache: 12K uops, L1 D cache: 8K CPU: L2 cache: 512K CPU: Physical Processor ID: 0 CPU: After generic, caps: bfebfbff 00000000 00000000 00000000 Intel machine check architecture supported. Intel machine check reporting enabled on CPU#0. CPU#0: Intel P4/Xeon Extended MCE MSRs (12) available CPU#0: Thermal monitoring enabled Machine check exception polling timer started. Enabling fast FPU save and restore... done. Enabling unmasked SIMD FPU exception support... done. Checking 'hlt' instruction... OK. POSIX conformance testing by UNIFIX CPU0: Intel(R) Xeon(TM) CPU 2.60GHz stepping 07 per-CPU timeslice cutoff: 1462.69 usecs. task migration cache decay timeout: 2 msecs. enabled ExtINT on CPU#0 ESR value before enabling vector: 00000000 ESR value after enabling vector: 00000000 Booting processor 1/1 eip 2000 Initializing CPU#1 masked ExtINT on CPU#1 ESR value before enabling vector: 00000000 ESR value after enabling vector: 00000000 Calibrating delay loop... 5177.34 BogoMIPS CPU: Trace cache: 12K uops, L1 D cache: 8K CPU: L2 cache: 512K CPU: Physical Processor ID: 0 CPU: After generic, caps: bfebfbff 00000000 00000000 00000000 Intel machine check architecture supported. Intel machine check reporting enabled on CPU#1. CPU#1: Intel P4/Xeon Extended MCE MSRs (12) available CPU#1: Thermal monitoring enabled CPU1: Intel(R) Xeon(TM) CPU 2.60GHz stepping 07 Total of 2 processors activated (10289.15 BogoMIPS). - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/