Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753624Ab0FGWjK (ORCPT ); Mon, 7 Jun 2010 18:39:10 -0400 Received: from nlpi129.sbcis.sbc.com ([207.115.36.143]:36832 "EHLO nlpi129.prodigy.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752797Ab0FGWjI (ORCPT ); Mon, 7 Jun 2010 18:39:08 -0400 Date: Mon, 7 Jun 2010 17:35:27 -0500 (CDT) From: Christoph Lameter X-X-Sender: cl@router.home To: Giangiacomo Mariotti cc: Pekka Enberg , Randy Dunlap , Bill Davidsen , linux-kernel@vger.kernel.org, linux-mm@kvack.org, x86 maintainers , Ingo Molnar , "H. Peter Anvin" Subject: Re: Possible bug in 2.6.34 slub In-Reply-To: Message-ID: References: <20100531165528.35a323fb.rdunlap@xenotime.net> <4C047CF9.9000804@tmr.com> <20100601123959.747228c6.rdunlap@xenotime.net> User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3498 Lines: 67 On Fri, 4 Jun 2010, Giangiacomo Mariotti wrote: > [ 0.000000] found SMP MP-table at [ffff8800000f5ed0] f5ed0 SMP table is important. > [ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x02] enabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x04] enabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x06] enabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x04] lapic_id[0x01] enabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x05] lapic_id[0x03] enabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x06] lapic_id[0x05] enabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x07] lapic_id[0x07] enabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x08] lapic_id[0x08] disabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x09] lapic_id[0x09] disabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x0a] lapic_id[0x0a] disabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x0b] lapic_id[0x0b] disabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x0c] lapic_id[0x0c] disabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x0d] lapic_id[0x0d] disabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x0e] lapic_id[0x0e] disabled) > [ 0.000000] ACPI: LAPIC (acpi_id[0x0f] lapic_id[0x0f] disabled) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x00] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x01] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x02] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x03] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x04] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x05] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x06] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x07] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x08] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x09] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x0a] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x0b] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x0c] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x0d] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x0e] dfl dfl lint[0x1]) > [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x0f] dfl dfl lint[0x1]) > [ 0.000000] ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0]) > [ 0.000000] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-23 > [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) > [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) > [ 0.000000] ACPI: IRQ0 used by override. > [ 0.000000] ACPI: IRQ2 used by override. > [ 0.000000] ACPI: IRQ9 used by override. > [ 0.000000] Using ACPI (MADT) for SMP configuration information > [ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000 > [ 0.000000] SMP: Allowing 16 CPUs, 8 hotplug CPUs ok so 24 cpus. 8 hotplug which should not work. > dff00000:14100000) > [ 0.000000] setup_percpu: NR_CPUS:512 nr_cpumask_bits:512 > nr_cpu_ids:16 nr_node_ids:1 And it only has 16 now. > [ 0.000000] SLUB: Genslabs=14, HWalign=64, Order=0-3, MinObjects=0, > CPUs=16, Nodes=1 And slub displays nr_cpu_ids again. -- 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/