Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S271695AbTHMIcv (ORCPT ); Wed, 13 Aug 2003 04:32:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S271699AbTHMIcu (ORCPT ); Wed, 13 Aug 2003 04:32:50 -0400 Received: from mail.hometree.net ([212.34.181.120]:6797 "EHLO mail.hometree.net") by vger.kernel.org with ESMTP id S271695AbTHMIcs (ORCPT ); Wed, 13 Aug 2003 04:32:48 -0400 To: linux-kernel@vger.kernel.org Path: not-for-mail From: "Henning P. Schmiedehausen" Newsgroups: hometree.linux.kernel Subject: Re: Intel ICH5 APIC, ACPI problems in 2.4 Date: Wed, 13 Aug 2003 08:32:46 +0000 (UTC) Organization: INTERMETA - Gesellschaft fuer Mehrwertdienste mbH Message-ID: References: <3F37D13D.7080309@pobox.com> Reply-To: hps@intermeta.de NNTP-Posting-Host: forge.intermeta.de X-Trace: tangens.hometree.net 1060763566 28745 212.34.181.4 (13 Aug 2003 08:32:46 GMT) X-Complaints-To: news@intermeta.de NNTP-Posting-Date: Wed, 13 Aug 2003 08:32:46 +0000 (UTC) X-Copyright: (C) 1996-2003 Henning Schmiedehausen X-No-Archive: yes User-Agent: nn/6.6.5 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2866 Lines: 74 Jeff Garzik writes: >I have a couple uniprocessor ICH5 systems from different vendors, with >similar behavior: >2.6: HyperThreading works, ACPI works, all irqs properly routed >2.4: HT works only works with ACPI enabled, but, > ACPI kills the irq routing for the external PCI slots. > pci=noacpi or whatever doesn't work. !CONFIG_ACPI + "noapic" > fixes irq routing, but then no HT sibling appears. To give a datapoint: ICH5 works like a breeze with RH 2.4.20-19.9 kernel: % lspci -vt -[00]-+-00.0 Intel Corp. 82865G [Springdale-G] Chipset Host Bridge [...] +-1f.1 Intel Corp. 82801EB ICH5 IDE [...] % cat /proc/cpuinfo | grep -i genuine | wc -l 2 % dmesg Linux version 2.4.20-19.9smp (bhcompile@stripples.devel.redhat.com) (gcc version 3.2.2 20030222 (Red Hat Linux 3.2.2-5)) #1 SMP Tue Jul 15 17:04:18 EDT 2003 [...] ACPI: Searched entire block, no RSDP was found. ACPI: RSDP located at physical address c00f5b40 RSD PTR v0 [ACPIAM] ACPI table found: RSDT v1 [INTEL D865PERL 8195.1813] ACPI table found: FACP v2 [INTEL D865PERL 8195.1813] ACPI table found: APIC v1 [INTEL D865PERL 8195.1813] LAPIC (acpi_id[0x0001] id[0x0] enabled[1]) CPU 0 (0x0000) enabledProcessor #0 Pentium 4(tm) XEON(tm) APIC version 16 LAPIC_NMI (acpi_id[0x0001] polarity[0x0] trigger[0x0] lint[0x1]) LAPIC (acpi_id[0x0002] id[0x1] enabled[1]) CPU 1 (0x0100) enabledProcessor #1 Pentium 4(tm) XEON(tm) APIC version 16 [...] This is an intel 865 PERLK desktop board with a 2,6 GHz HT CPU. Even the ICH5 serial ATA works which really had me impressed: ICH5-SATA: IDE controller at PCI slot 00:1f.2 ICH5-SATA: chipset revision 2 ICH5-SATA: 100% native mode on irq 18 ide2: BM-DMA at 0xdc00-0xdc07, BIOS settings: hde:DMA, hdf:pio ide3: BM-DMA at 0xdc08-0xdc0f, BIOS settings: hdg:pio, hdh:pio hde: Maxtor 6Y120M0, ATA DISK drive hde: attached ide-disk driver. hde: host protected area => 1 hde: 240121728 sectors (122942 MB) w/7936KiB Cache, CHS=238216/16/63, UDMA(33) (The UDMA(33) seems to be a lie, I can read ~ 57 MBytes/sec from this disk). So there might be some patches in the RH kernel, that are missing from 2.4.22-rc2 Regards Henning -- Dipl.-Inf. (Univ.) Henning P. Schmiedehausen INTERMETA GmbH hps@intermeta.de +49 9131 50 654 0 http://www.intermeta.de/ Java, perl, Solaris, Linux, xSP Consulting, Web Services freelance consultant -- Jakarta Turbine Development -- hero for hire "Dominate!! Dominate!! Eat your young and aggregate! I have grotty silicon!" -- AOL CD when played backwards (User Friendly - 200-10-15) - 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/