Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754649AbZGITeo (ORCPT ); Thu, 9 Jul 2009 15:34:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753567AbZGITef (ORCPT ); Thu, 9 Jul 2009 15:34:35 -0400 Received: from hera.kernel.org ([140.211.167.34]:34752 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753268AbZGITee (ORCPT ); Thu, 9 Jul 2009 15:34:34 -0400 Message-ID: <4A564634.1020708@kernel.org> Date: Thu, 09 Jul 2009 12:34:12 -0700 From: Yinghai Lu User-Agent: Thunderbird 2.0.0.19 (X11/20081227) MIME-Version: 1.0 To: dann frazier CC: linux-scsi@vger.kernel.org, "linux-kernel@vger.kernel.org" Subject: Re: mptsas, msi and the dl585 g2 References: <20090630180300.GA9971@ldl.fc.hp.com> <4A4A5B01.9040200@kernel.org> <20090703225708.GA30664@ldl.fc.hp.com> <4A4FADDC.30606@kernel.org> <20090709185945.GG2613@ldl.fc.hp.com> <4A564263.5010305@kernel.org> In-Reply-To: <4A564263.5010305@kernel.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3805 Lines: 85 Yinghai Lu wrote: > dann frazier wrote: >> -------------------------------------------------------------------- >> commit 30a18d6c3f1e774de656ebd8ff219d53e2ba4029 >> Author: Yinghai Lu >> Date: Tue Feb 19 03:21:20 2008 -0800 >> >> x86: multi pci root bus with different io resource range, on >> 64-bit >> -------------------------------------------------------------------- >> >> This appears to be the commit that actually introduced the issue. >> I've attached dmesg w/ PCI DEBUG enabled from both sides of this >> changeset, as well as a diff w/o printk timestamps. >> >> Also note that #ifdef'ing out x86_pci_root_bus_res_quirks() in >> amd_bus.c seems to avoid the problem as well. > > your BIOS didn't allocate io resources to some device under HT chain on node1/link2 > aka under peer root bus. > > Kernel try to allocate resource to them. > > and the patch did right thing according to range > bus: 40 index 1 mmio: [d9f00000, dfefffff] > > YH > > > +bus: [00,3f] on node 0 link 1 > +bus: 00 index 0 io port: [0, 2fff] > +bus: 00 index 1 mmio: [80000000, d9efffff] > +bus: 00 index 2 mmio: [dff00000, e3ffffff] > +bus: 00 index 3 mmio: [a0000, bffff] > +bus: 00 index 4 mmio: [e8000000, ffffffff] > +bus: 00 index 5 mmio: [480000000, fbffffffff] > +bus: [40,7f] on node 1 link 2 > +bus: 40 index 0 io port: [3000, ffff] > +bus: 40 index 1 mmio: [d9f00000, dfefffff] > +bus: 40 index 2 mmio: [e4000000, e7ffffff] > ACPI: bus type pci registered > PCI: Using configuration type 1 for base access > ACPI: EC: Look up EC in DSDT > @@ -646,18 +659,18 @@ > IO window: disabled. > MEM window: disabled. > PREFETCH window: disabled. > - got res [88000000:8801ffff] bus [88000000:8801ffff] flags 27200 for BAR 6 of 0000:41:01.0 > - got res [88020000:8803ffff] bus [88020000:8803ffff] flags 27200 for BAR 6 of 0000:41:02.0 > + got res [d9f00000:d9f1ffff] bus [d9f00000:d9f1ffff] flags 27200 for BAR 6 of 0000:41:01.0 > + got res [d9f20000:d9f3ffff] bus [d9f20000:d9f3ffff] flags 27200 for BAR 6 of 0000:41:02.0 > PCI: Bridge: 0000:40:10.0 > IO window: disabled. > MEM window: 0xda000000-0xddffffff > - PREFETCH window: 0x0000000088000000-0x00000000880fffff > - got res [88200000:883fffff] bus [88200000:883fffff] flags 27200 for BAR 6 of 0000:42:01.0 > - got res [88100000:8813ffff] bus [88100000:8813ffff] flags 27200 for BAR 6 of 0000:42:02.0 > + PREFETCH window: 0x00000000d9f00000-0x00000000d9ffffff > + got res [de000000:de1fffff] bus [de000000:de1fffff] flags 27200 for BAR 6 of 0000:42:01.0 > + got res [de200000:de23ffff] bus [de200000:de23ffff] flags 27200 for BAR 6 of 0000:42:02.0 > PCI: Bridge: 0000:40:11.0 > IO window: 3000-3fff > MEM window: 0xdfe00000-0xdfefffff > - PREFETCH window: 0x0000000088100000-0x00000000883fffff > + PREFETCH window: 0x00000000de000000-0x00000000de2fffff > > and those range are not overlapping with IOAPIC BAR allocating [ 0.000000] ACPI: IOAPIC (id[0x08] address[0xd9cf0000] gsi_base[0]) [ 0.000000] IOAPIC[0]: apic_id 8, version 0, address 0xd9cf0000, GSI 0-23 [ 0.000000] ACPI: IOAPIC (id[0x09] address[0xd9fd0000] gsi_base[24]) [ 0.000000] IOAPIC[1]: apic_id 9, version 0, address 0xd9fd0000, GSI 24-30 [ 0.000000] ACPI: IOAPIC (id[0x0a] address[0xd9fe0000] gsi_base[31]) [ 0.000000] IOAPIC[2]: apic_id 10, version 0, address 0xd9fe0000, GSI 31-37 [ 0.000000] ACPI: IOAPIC (id[0x0b] address[0xd9ff0000] gsi_base[38]) [ 0.000000] IOAPIC[3]: apic_id 11, version 0, address 0xd9ff0000, GSI 38-61 YH -- 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/