Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761384AbZLJSfQ (ORCPT ); Thu, 10 Dec 2009 13:35:16 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761060AbZLJSfP (ORCPT ); Thu, 10 Dec 2009 13:35:15 -0500 Received: from hera.kernel.org ([140.211.167.34]:39257 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760871AbZLJSfO (ORCPT ); Thu, 10 Dec 2009 13:35:14 -0500 Message-ID: <4B213F1F.2020305@kernel.org> Date: Thu, 10 Dec 2009 10:34:07 -0800 From: Yinghai Lu User-Agent: Thunderbird 2.0.0.23 (X11/20090817) MIME-Version: 1.0 To: Jens Axboe CC: Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" , "linux-kernel@vger.kernel.org" Subject: Re: Bisected regression (Was Re: current -git fails to boot on nehalem-ex) References: <20091210091040.GG8742@kernel.dk> <20091210103945.GI8742@kernel.dk> <20091210160640.GB27794@elte.hu> <67EA4830-231F-45C9-A1A6-CE1C6CD9493D@kernel.org> <20091210180727.GK8742@kernel.dk> In-Reply-To: <20091210180727.GK8742@kernel.dk> 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: 8001 Lines: 138 Jens Axboe wrote: > On Thu, Dec 10 2009, Yinghai wrote: >> >> >> >> On Dec 10, 2009, at 8:06 AM, Ingo Molnar wrote: >> >>> * Jens Axboe wrote: >>> >>>> On Thu, Dec 10 2009, Jens Axboe wrote: >>>>> Hi, >>>>> >>>>> As written in the subject, it just hard hangs before writing >>>>> anything on >>>>> the console. With earlyprintk, I captured the failure, see below. >>>>> >>>>> I'll try and bisect this, but it takes some time (since the bios and >>>>> post process takes forever). I just updated the firmware on the >>>>> box as >>>>> well, but it did boot 2.6.32 (and RHEL5 boots fine too). Of course >>>>> that >>>>> doesn't rule out a BIOS bug. >>>> Results are persistent, git bisect points to: >>>> >>>> commit b24c2a925a9837cccf54d50aeac22ba0cbc15455 >>>> Author: Yinghai Lu >>>> Date: Tue Nov 24 02:48:18 2009 -0800 >>>> >>>> x86: Move find_smp_config() earlier and avoid bootmem usage >>>> >>>> which appears consistent with the panic(). Reverting that does indeed >>>> make current -git boot properly. >>> Thanks. Yinghai, do you have any ideas, or should we revert it? >>> >> Let find the root cause >> >> Jen > > Jens :-) > >> Can you boot with earlyconsole or earlyprintk and debug? > > The original report already included oops output from earlyprintk, it's > below as well. > > kernel /vmlinuz-2.6 root=/dev/sda3 ro console=ttyS0,115200 console=tty0 earlyp > rintk=serial,ttyS0,115200 > [Linux-bzImage, setup=0x3200, size=0x298f90] > > > [ 0.000000] Linux version 2.6.32 (axboe@nehalem) (gcc version 4.3.2 (Debian 4.3.2-1.1) ) #35 SMP Thu Dec 10 09:47:51 CET 2009 * > [ 0.000000] Command line: root=/dev/sda3 ro console=ttyS0,115200 console=tty0 earlyprintk=serial,ttyS0,115200 * > [ 0.000000] BIOS-provided physical RAM map: * > [ 0.000000] BIOS-e820: 0000000000000000 - 000000000009a400 (usable) * > [ 0.000000] BIOS-e820: 000000000009a400 - 00000000000a0000 (reserved) * > [ 0.000000] BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved)*** > [ 0.000000] BIOS-e820: 0000000000100000 - 0000000078c75000 (usable) > [ 0.000000] BIOS-e820: 0000000078c75000 - 0000000078e89000 (ACPI NVS) > [ 0.000000] BIOS-e820: 0000000078e89000 - 000000007924e000 (ACPI data) > [ 0.000000] BIOS-e820: 000000007924e000 - 00000000792c2000 (reserved) > [ 0.000000] BIOS-e820: 00000000792c2000 - 00000000792d2000 (ACPI data) > [ 0.000000] BIOS-e820: 00000000792d2000 - 00000000792e7000 (reserved) > [ 0.000000] BIOS-e820: 00000000792e7000 - 0000000079301000 (ACPI data) > [ 0.000000] BIOS-e820: 0000000079301000 - 0000000079303000 (reserved) > [ 0.000000] BIOS-e820: 0000000079303000 - 0000000079305000 (ACPI data) > [ 0.000000] BIOS-e820: 0000000079305000 - 0000000079310000 (reserved) > [ 0.000000] BIOS-e820: 0000000079310000 - 0000000079314000 (ACPI data) > [ 0.000000] BIOS-e820: 0000000079314000 - 0000000079319000 (reserved) > [ 0.000000] BIOS-e820: 0000000079319000 - 0000000079336000 (ACPI data) > [ 0.000000] BIOS-e820: 0000000079336000 - 0000000079358000 (reserved) > [ 0.000000] BIOS-e820: 0000000079358000 - 0000000079388000 (ACPI data) > [ 0.000000] BIOS-e820: 0000000079388000 - 00000000793c9000 (reserved) > [ 0.000000] BIOS-e820: 00000000793c9000 - 000000007968f000 (ACPI data) > [ 0.000000] BIOS-e820: 000000007968f000 - 00000000796bb000 (reserved) > [ 0.000000] BIOS-e820: 00000000796bb000 - 00000000799d8000 (ACPI data) > [ 0.000000] BIOS-e820: 00000000799d8000 - 0000000079bd8000 (ACPI NVS) > [ 0.000000] BIOS-e820: 0000000079bd8000 - 0000000079dc7000 (ACPI data) > [ 0.000000] BIOS-e820: 0000000079dc7000 - 0000000079dcb000 (reserved) > [ 0.000000] BIOS-e820: 0000000079dcb000 - 0000000079e1c000 (ACPI data) > [ 0.000000] BIOS-e820: 0000000079e1c000 - 0000000079e87000 (reserved) > [ 0.000000] BIOS-e820: 0000000079e87000 - 000000007bd5f000 (ACPI data) > [ 0.000000] BIOS-e820: 000000007bd5f000 - 000000007be4f000 (reserved) > [ 0.000000] BIOS-e820: 000000007be4f000 - 000000007bf87000 (ACPI data) > [ 0.000000] BIOS-e820: 000000007bf87000 - 000000007bfcf000 (ACPI NVS) > [ 0.000000] BIOS-e820: 000000007bfcf000 - 000000007bfff000 (ACPI data) > [ 0.000000] BIOS-e820: 000000007bfff000 - 0000000090000000 (reserved) > [ 0.000000] BIOS-e820: 00000000fc000000 - 00000000fd000000 (reserved) > [ 0.000000] BIOS-e820: 00000000fed1c000 - 00000000fed20000 (reserved) > [ 0.000000] BIOS-e820: 00000000ff000000 - 0000000100000000 (reserved) > [ 0.000000] BIOS-e820: 0000000100000000 - 0000001080000000 (usable) > [ 0.000000] bootconsole [earlyser0] enabled > [ 0.000000] NX (Execute Disable) protection: active > [ 0.000000] DMI 2.5 present. > [ 0.000000] last_pfn = 0x1080000 max_arch_pfn = 0x400000000 > [ 0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106 > [ 0.000000] last_pfn = 0x78c75 max_arch_pfn = 0x400000000 > [ 0.000000] init_memory_mapping: 0000000000000000-0000000078c75000 > [ 0.000000] init_memory_mapping: 0000000100000000-0000001080000000 > [ 0.000000] ACPI: RSDP 00000000000f0410 00024 (v02 QUANTA) > [ 0.000000] ACPI: XSDT 000000007bffe120 000BC (v01 QUANTA QSSC-S4R 00000000 01000013) > [ 0.000000] ACPI: FACP 000000007bffd000 000F4 (v04 QUANTA QSSC-S4R 00000000 MSFT 0100000D) > [ 0.000000] ACPI: DSDT 000000007bfe3000 19BAD (v02 QUANTA QSSC-S4R 00000003 MSFT 0100000D) > [ 0.000000] ACPI: FACS 000000007bf87000 00040 > [ 0.000000] ACPI: APIC 000000007bfe2000 003E4 (v02 QUANTA QSSC-S4R 00000000 MSFT 0100000D) > [ 0.000000] ACPI: MSCT 000000007bfe1000 00090 (v01 QUANTA QSSC-S4R 00000001 MSFT 0100000D) > [ 0.000000] ACPI: MCFG 000000007bfe0000 0003C (v01 QUANTA QSSC-S4R 00000001 MSFT 0100000D) > [ 0.000000] ACPI: HPET 000000007bfdf000 00038 (v01 QUANTA QSSC-S4R 00000001 MSFT 0100000D) > [ 0.000000] ACPI: SLIT 000000007bfde000 0003C (v01 QUANTA QSSC-S4R 00000001 MSFT 0100000D) > [ 0.000000] ACPI: SRAT 000000007bfdd000 00930 (v02 QUANTA QSSC-S4R 00000001 MSFT 0100000D) > [ 0.000000] ACPI: SPCR 000000007bfdc000 00050 (v01 QUANTA QSSC-S4R 00000000 MSFT 0100000D) > [ 0.000000] ACPI: WDDT 000000007bfdb000 00040 (v01 QUANTA QSSC-S4R 00000000 MSFT 0100000D) > [ 0.000000] ACPI: SSDT 000000007bf4a000 3CFA4 (v02 QUANTA QSSC-S4R 00004000 INTL 20061109) > [ 0.000000] ACPI: SSDT 000000007bfda000 00174 (v02 QUANTA QSSC-S4R 00004000 INTL 20061109) > [ 0.000000] ACPI: PMCT 000000007bfd9000 00064 (v01 QUANTA QSSC-S4R 00000000 MSFT 0100000D) > [ 0.000000] ACPI: MIGT 000000007bfd8000 00040 (v01 QUANTA QSSC-S4R 00000000 MSFT 0100000D) > [ 0.000000] ACPI: TCPA 000000007bfd5000 00032 (v00 QUANTA QSSC-S4R 00000000 00000000) > [ 0.000000] ACPI: HEST 000000007bfd4000 005D0 (v01 QUANTA QSSC-S4R 00000001 INTL 00000001) > [ 0.000000] ACPI: BERT 000000007bfd3000 00030 (v01 QUANTA QSSC-S4R 00000001 INTL 00000001) > [ 0.000000] ACPI: ERST 000000007bfd2000 00230 (v01 QUANTA QSSC-S4R 00000001 INTL 00000001) > [ 0.000000] ACPI: EINJ 000000007bfd1000 00130 (v01 QUANTA QSSC-S4R 00000001 INTL 00000001) > [ 0.000000] ACPI: DMAR 000000007bfd0000 00350 (v01 QUANTA QSSC-S4R 00000001 MSFT 0100000D) > [ 0.000000] found SMP MP-table at [ffff8800000fdd80] fdd80 > [ 0.000000] Kernel panic - not syncing: Overlapping early reservations 12-f011 MP-table mpc to 0-fff BIOS data page mptable mpc is [12 - f011] what a BIOS ! can you check if it works with 2.6.32 + "acpi=off"? Thanks 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/