Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261930AbUCXVM5 (ORCPT ); Wed, 24 Mar 2004 16:12:57 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261935AbUCXVM5 (ORCPT ); Wed, 24 Mar 2004 16:12:57 -0500 Received: from mail.dt.e-technik.Uni-Dortmund.DE ([129.217.163.1]:42453 "EHLO mail.dt.e-technik.uni-dortmund.de") by vger.kernel.org with ESMTP id S261930AbUCXVMs (ORCPT ); Wed, 24 Mar 2004 16:12:48 -0500 Date: Wed, 24 Mar 2004 22:12:31 +0100 From: Matthias Andree To: Andrew Morton Cc: Marcelo Tosatti , matthias.andree@gmx.de, andrea@suse.de, linux-kernel@vger.kernel.org Subject: Re: 2.4.25 SMP - BUG at page_alloc.c:105 Message-ID: <20040324211231.GB14579@merlin.emma.line.org> Mail-Followup-To: Andrew Morton , Marcelo Tosatti , andrea@suse.de, linux-kernel@vger.kernel.org References: <20040324205811.GB6572@logos.cnet> <20040324122806.4015d3d6.akpm@osdl.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040324122806.4015d3d6.akpm@osdl.org> User-Agent: Mutt/1.5.5.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3382 Lines: 87 On Wed, 24 Mar 2004, Andrew Morton wrote: > I'd suspect that's just gunk on the stack and that zap_pte_range() freed an > anonymous page which had a non-null ->mapping. It could be a hardware bug. > Without seeing the actual value of page->mapping it's hard to know. Any chance to retrieve that when the machine has been rebooted since? I fear there is none. I have these log entries from boot-up (after the crash), seems the BIOS isn't perfect (Tyan S2460 "Tiger MP" w/ BIOS 1.05): ... 128MB HIGHMEM available. 896MB LOWMEM available. ACPI: have wakeup address 0xc0002000 found SMP MP-table at 000f7510 hm, page 000f7000 reserved twice. hm, page 000f8000 reserved twice. hm, page 0009f000 reserved twice. hm, page 000a0000 reserved twice. On node 0 totalpages: 262144 zone(0): 4096 pages. zone(1): 225280 pages. zone(2): 32768 pages. ACPI: Unable to locate RSDP Intel MultiProcessor Specification v1.4 Virtual Wire compatibility mode. OEM ID: TYAN Product ID: GUINNESS APIC at: 0xFEE00000 Processor #1 Pentium(tm) Pro APIC version 16 Processor #0 Pentium(tm) Pro APIC version 16 I/O APIC #2 Version 17 at 0xFEC00000. Enabling APIC mode: Flat. Using 1 I/O APICs Processors: 2 Kernel command line: root=/dev/hda5 vga=791 splash=silent showopts noapic Initializing CPU#0 Detected 1533.378 MHz processor. Console: colour dummy device 80x25 Calibrating delay loop... 3060.53 BogoMIPS Memory: 1032772k/1048576k available (1902k kernel code, 15416k reserved, 636k data, 152k init, 131072k highmem) ... Intel machine check reporting enabled on CPU#0. CPU: After generic, caps: 0383fbff c1cbfbff 00000000 00000000 CPU: Common caps: 0383fbff c1cbfbff 00000000 00000000 CPU0: AMD Athlon(tm) MP 1800+ stepping 02 Intel machine check reporting enabled on CPU#1. CPU: After generic, caps: 0383fbff c1cbfbff 00000000 00000000 CPU: Common caps: 0383fbff c1cbfbff 00000000 00000000 CPU1: AMD Athlon(tm) Processor stepping 02 Total of 2 processors activated (6121.06 BogoMIPS). Using local APIC timer interrupts. calibrating APIC timer ... ..... CPU clock speed is 1533.3658 MHz. ..... host bus clock speed is 266.6723 MHz. cpu: 0, clocks: 2666723, slice: 888907 CPU0 cpu: 1, clocks: 2666723, slice: 888907 CPU1 checking TSC synchronization across CPUs: passed. Waiting on wait_init_idle (map = 0x2) All processors have done init_idle mtrr: your CPUs had inconsistent fixed MTRR settings mtrr: probably your BIOS does not setup all CPUs ACPI: Subsystem revision 20040116 ACPI: Interpreter disabled. PCI: PCI BIOS revision 2.10 entry at 0xfd7e0, last bus=1 PCI: Using configuration type 1 PCI: Probing PCI hardware PCI: ACPI tables contain no PCI IRQ routing entries PCI: Probing PCI hardware (bus 00) BIOS failed to enable PCI standards compliance, fixing this error. I/O APIC: AMD Errata #22 may be present. In the event of instability try : booting with the "noapic" option. ... Don't waste countless efforts debugging this -- Matthias Andree Encrypt your mail: my GnuPG key ID is 0x052E7D95 - 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/