From owner-freebsd-stable@FreeBSD.ORG Wed Apr 25 08:47:55 2007 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id D89B016A407 for ; Wed, 25 Apr 2007 08:47:55 +0000 (UTC) (envelope-from tarkhil@webmail.sub.ru) Received: from mail.sub.ru (mail.sub.ru [88.212.205.2]) by mx1.freebsd.org (Postfix) with SMTP id 3AD3C13C468 for ; Wed, 25 Apr 2007 08:47:54 +0000 (UTC) (envelope-from tarkhil@webmail.sub.ru) Received: (qmail 96195 invoked from network); 25 Apr 2007 12:53:28 +0400 Received: from unknown (HELO localhost) (88.212.205.2) by mail.sub.ru with SMTP; 25 Apr 2007 12:53:28 +0400 X-Virus-Scanned: by amavisd-new at mail.sub.ru Received: from unknown ([88.212.205.2]) by localhost (mail-new.sub.ru [88.212.205.2]) (amavisd-new, port 10024) with SMTP id Ma+AwGTooFUH; Wed, 25 Apr 2007 12:53:24 +0400 (MSD) Received: from unknown (HELO ?89.222.147.9?) (tarkhil%sub.ru@89.222.147.9) by techno.sub.ru with SMTP; 25 Apr 2007 08:53:24 -0000 Message-ID: <462F15B4.4010201@webmail.sub.ru> Date: Wed, 25 Apr 2007 12:47:48 +0400 From: Alex Povolotsky User-Agent: Thunderbird 1.5.0.9 (X11/20070104) MIME-Version: 1.0 To: freebsd-smp@freebsd.org, FreeBSD Stable , freebsd-hardware@freebsd.org Content-Type: text/plain; charset=KOI8-R; format=flowed Content-Transfer-Encoding: 7bit Cc: Subject: 6.2-RELEASE does not use second CPU on pentium D X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 Apr 2007 08:47:55 -0000 Hello! I have a Pentium D box, running 6.2-RELEASE. In dmesg, I see CPU#1 launched, but I never see any process running on it, and mptable shows cluster-one# mptable -verbose =============================================================================== MPTable looking for EBDA pointer @ 0x040e, found, searching EBDA @ 0x0009e800 searching CMOS 'top of mem' @ 0x0009e400 (633K) searching default 'top of mem' @ 0x0009fc00 (639K) searching BIOS @ 0x000f0000 MP FPS found in BIOS @ physical addr: 0x000fe200 ------------------------------------------------------------------------------- MP Floating Pointer Structure: location: BIOS physical address: 0x000fe200 signature: '_MP_' length: 16 bytes version: 1.4 checksum: 0x9f mode: Virtual Wire ------------------------------------------------------------------------------- MP Config Table Header: physical address: 0x000fe210 signature: 'PCMP' base table length: 64 version: 1.4 checksum: 0x7f OEM ID: '' Product ID: '' OEM table pointer: 0x00000000 OEM table size: 0 entry count: 1 local APIC address: 0xfee00000 extended table length: 0 extended table checksum: 0 ------------------------------------------------------------------------------- MP Config Base Table Entries: -- Processors: APIC ID Version State Family Model Step Flags 0 0x14 BSP, usable 15 6 4 0xbfebfbff =============================================================================== while in dmesg Copyright (c) 1992-2007 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD is a registered trademark of The FreeBSD Foundation. FreeBSD 6.2-RELEASE-p3 #2: Thu Apr 19 00:19:54 MSD 2007 tarkhil@cluster-one.zinester.com:/usr/obj/usr/src/sys/P4D WARNING: debug.mpsafenet forced to 0 as ipsec requires Giant WARNING: MPSAFE network stack disabled, expect reduced performance. Timecounter "i8254" frequency 1193182 Hz quality 0 CPU: Intel(R) Pentium(R) D CPU 2.80GHz (2808.41-MHz 686-class CPU) Origin = "GenuineIntel" Id = 0xf64 Stepping = 4 Features=0xbfebfbff Features2=0xe49d,> AMD Features=0x20100000 AMD Features2=0x1 real memory = 1046757376 (998 MB) avail memory = 1015095296 (968 MB) ACPI APIC Table: FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs cpu0 (BSP): APIC ID: 0 cpu1 (AP): APIC ID: 1 ioapic0: Changing APIC ID to 2 ioapic0 irqs 0-23 on motherboard [...] SMP: AP CPU #1 Launched! The kernel is, of course, SMP. What can I do, where can I search for solution? Second core IS enabled in BIOS cluster-one# sysctl hw | grep cpu hw.ncpu: 2 hw.acpi.cpu.cx_supported: C1/0 hw.acpi.cpu.cx_lowest: C1 hw.acpi.cpu.cx_usage: 100.00% cluster-one# sysctl machdep | grep cpu machdep.cpu_idle_hlt: 1 machdep.hlt_cpus: 2 machdep.hlt_logical_cpus: 0 machdep.logical_cpus_mask: 2 so second CPU is halted, attempt to start it with sysctl does not help Alex.