Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 20 Mar 2003 18:34:08 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 20 Mar 2003 18:34:08 -0500 Received: from loki.a-q.co.uk ([195.224.50.15]:19467 "EHLO loki.a-q.co.uk") by vger.kernel.org with ESMTP id ; Thu, 20 Mar 2003 18:34:04 -0500 Date: Thu, 20 Mar 2003 23:45:01 +0000 From: James Wright To: "Grover, Andrew" Cc: jun.nakajima@intel.com, linux-kernel@vger.kernel.org Subject: Re: P4 3.06Ghz Hyperthreading with 2.4.20? Message-Id: <20030320234501.45e9bdc8.james@jigsawdezign.com> In-Reply-To: References: Organization: Jigsaw Dezign X-Mailer: Sylpheed version 0.8.11 (GTK+ 1.2.10; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5214 Lines: 158 Problem Solved!!! I had foolishly enabled ACPI CPU Enumeration Only, i switched this off and now all is working!!! wow... checkout those BogoMIPS; CPU0: Intel(R) Pentium(R) 4 CPU 3.06GHz stepping 07 CPU1: Intel(R) Pentium(R) 4 CPU 3.06GHz stepping 07 Total of 2 processors activated (12242.12 BogoMIPS). Thanks for your quick response, James On Thu, 20 Mar 2003 14:32:00 -0800 "Grover, Andrew" wrote: > > > From: James Wright [mailto:james@jigsawdezign.com] > > ACPI: Local APIC address 0xfee00000 > > ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) > > Processor #0 Pentium 4(tm) XEON(tm) APIC version 16 > > ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled) > > Processor #1 Pentium 4(tm) XEON(tm) APIC version 16 > > There should be some messages about IO APICs right here. To be SMP, you > need IO APICs. > > If you did the ACPI cpu enumeration only, please try the full ACPI > support. That is the only reason I can think of (except for !CONFIG_SMP) > as to why the IO APIC(s) could be overlooked. > > > Kernel command line: BOOT_IMAGE=linux ro root=302 acpismp=force > > Don't need acpismp=force, btw. With the patch off sf.net it is on by > default - you can use acpi=off to disable it, though. ;-) > > Regards -- Andy > > > On Thu, 20 Mar 2003 09:11:10 -0800 > > "Grover, Andrew" wrote: > > > > > > From: James Wright [mailto:james@jigsawdezign.com] > > > > So i can apply the ACPI patch to 2.4.20, and it will work, > > > > even though my motherboard BIOS > > > > doesn't provide the MPS table? > > > > > > Yes, because ACPI uses a different table. > > > > > > > Do i still need to use > > > > "acpismp=force" option? > > > > > > Nope. > > > > > > > What do you mean > > > > by *configuring* acpi > > > > > > Configuring it into your kernel, presumably, using make menuconfig. > > > > > > > do i need the "acpid" or other > > > > resources, than just enabling it? > > > > > > Nope, all the SMP detection stuff is in the kernel. > > > > > > Regards -- Andy > > > > > > > > > > > Thanks, > > > > James > > > > > > > > > > > > On Wed, 19 Mar 2003 18:50:59 -0800 > > > > "Nakajima, Jun" wrote: > > > > > > > > > You need to apply the ACPI patch: > > > > http://sourceforge.net/projects/acpi and *configure* APIC. > > > > > > > > > > The 2.4 kernel depends on the MPS table for all but logical > > > > processors. If MPS table is not present, it will fall back to UP. > > > > > > > > > > Thanks, > > > > > Jun > > > > > > > > > > > -----Original Message----- > > > > > > From: James Wright [mailto:james@jigsawdezign.com] > > > > > > Sent: Wednesday, March 19, 2003 5:34 PM > > > > > > To: linux-kernel@vger.kernel.org > > > > > > Subject: P4 3.06Ghz Hyperthreading with 2.4.20? > > > > > > > > > > > > Hello, > > > > > > > > > > > > I have kernel 2.4.20 with a single P4 3.06Ghz CPU and > > > > Asus P4G8X > > > > > > motherboard > > > > > > (with the Intel E7205) Chipset. I have enabled > > > > Hyperthreading in the BIOS > > > > > > options, > > > > > > compiled in SMP & ACPI support, and also tried adding > > > > "acpismp=force" to > > > > > > my lilo > > > > > > kernel cmdline, but it just doesn't seem to detect the > > > > second Logical CPU. > > > > > > My > > > > > > current theory is that this is bcos Linux expects the > > > > motherboard to be an > > > > > > SMP > > > > > > item (as with the Xeon boards) but this board is a Single > > > > processor board, > > > > > > ansd > > > > > > doesn't have an MP table, but the cpu info is held in the > > > > ACPI tables.?!? > > > > > > > > > > > > I have tried installing 2.5.65 but can't get past the > > > > compile due to > > > > > > compile-time > > > > > > errors... Is this a known problem? SHall i just disable > > > > Hyperthreading > > > > > > until a new > > > > > > kernel release? > > > > > > > > > > > > > > > > > > Thanks, > > > > > > James > > > > > > > > > > > > > > > > > > > > > > > > - > > > > > > 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/ > > > > > - > > > > > 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/ > > > > > > > > > - > > > > 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/ > > > > > > > > > > - 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/