From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yang Zhang Subject: Re: trace in arch/x86/kernel/apic/apic.c:1309 setup_local_APIC Date: Tue, 26 Jan 2016 18:13:58 +0800 Message-ID: <56A746E6.3020201@gmail.com> References: <56A62863.2020408@profihost.ag> <1453772817.3912.6.camel@intel.com> <56A71EAA.6060109@profihost.ag> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Cc: "kvm@vger.kernel.org" , "qemu-devel@nongnu.org" To: Stefan Priebe - Profihost AG , "Han, Huaitong" Return-path: Received: from mail-pa0-f67.google.com ([209.85.220.67]:35348 "EHLO mail-pa0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933294AbcAZKOD (ORCPT ); Tue, 26 Jan 2016 05:14:03 -0500 Received: by mail-pa0-f67.google.com with SMTP id gi1so7803108pac.2 for ; Tue, 26 Jan 2016 02:14:02 -0800 (PST) In-Reply-To: <56A71EAA.6060109@profihost.ag> Sender: kvm-owner@vger.kernel.org List-ID: On 2016/1/26 15:22, Stefan Priebe - Profihost AG wrote: > Hi, > > Am 26.01.2016 um 02:46 schrieb Han, Huaitong: >> What is the host kernel version and host dmesg information? And does >> the problem exist when you use latest kernel and QEMU to replace old >> binary file? > > Guest and Host is both 4.1.15. You mean the complete dmesg output from host? > > What do you mean with replace old binary file? I haven't tested Kernel > 4.4 as we use 4.1 as it is a long term stable kernel release. Have you seen this before? I mean use the old KVM like 3.10? > > Stefan > >> On Mon, 2016-01-25 at 14:51 +0100, Stefan Priebe - Profihost AG wrote: >>> Hi, >>> >>> while running qemu 2.4 on whestmere CPUs i'm pretty often getting >>> this >>> one while booting: >>> [ 0.811645] Switched APIC routing to physical x2apic. >>> [ 1.835678] ------------[ cut here ]------------ >>> [ 1.835704] WARNING: CPU: 0 PID: 1 at >>> arch/x86/kernel/apic/apic.c:1309 setup_local_APIC+0x284/0x340() >>> [ 1.835714] Modules linked in: >>> [ 1.835724] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.1.15+72-ph >>> #1 >>> [ 1.835731] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), >>> BIOS rel-1.8.2-0-g33fbe13 by qemu-project.org 04/01/2014 >>> [ 1.835743] ffffffffb69ffcea ffff88042d5e3d68 ffffffffb669c37b >>> 0000000000000918 >>> [ 1.835754] 0000000000000000 ffff88042d5e3da8 ffffffffb6080d67 >>> ffff88042d5e3da8 >>> [ 1.835765] 0000000000000001 0000000000000000 0000000000008000 >>> 0000000000000000 >>> [ 1.835777] Call Trace: >>> [ 1.835789] [] dump_stack+0x45/0x57 >>> [ 1.835799] [] warn_slowpath_common+0x97/0xe0 >>> [ 1.835806] [] warn_slowpath_null+0x1a/0x20 >>> [ 1.835813] [] setup_local_APIC+0x284/0x340 >>> [ 1.835824] [] apic_bsp_setup+0x5b/0xb0 >>> [ 1.835832] [] >>> native_smp_prepare_cpus+0x23b/0x295 >>> [ 1.835842] [] kernel_init_freeable+0xc7/0x20f >>> [ 1.835853] [] ? rest_init+0x80/0x80 >>> [ 1.835860] [] kernel_init+0xe/0xf0 >>> [ 1.835870] [] ret_from_fork+0x42/0x70 >>> [ 1.835877] [] ? rest_init+0x80/0x80 >>> [ 1.835891] ---[ end trace bdbe630a8de2832c ]--- >>> [ 1.837613] Spurious LAPIC timer interrupt on cpu 0 >>> [ 1.837957] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 >>> [ 1.939574] smpboot: CPU0: Intel Westmere E56xx/L56xx/X56xx >>> (Nehalem-C) (fam: 06, model: 2c, stepping: 01) >>> [ 1.939630] Performance Events: unsupported p6 CPU model 44 no PMU >>> driver, software events only. >>> [ 1.950868] KVM setup paravirtual spinlock >>> >>> Greets, >>> Stefan >>> -- >>> To unsubscribe from this list: send the line "unsubscribe kvm" in >>> the body of a message to majordomo@vger.kernel.org >>> More majordomo info at http://vger.kernel.org/majordomo-info.html > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- best regards yang From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59776) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aO0dT-00053r-PZ for qemu-devel@nongnu.org; Tue, 26 Jan 2016 05:14:08 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aO0dQ-000150-HS for qemu-devel@nongnu.org; Tue, 26 Jan 2016 05:14:07 -0500 Received: from mail-pa0-x241.google.com ([2607:f8b0:400e:c03::241]:36008) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aO0dQ-00014m-76 for qemu-devel@nongnu.org; Tue, 26 Jan 2016 05:14:04 -0500 Received: by mail-pa0-x241.google.com with SMTP id a20so7748162pag.3 for ; Tue, 26 Jan 2016 02:14:02 -0800 (PST) References: <56A62863.2020408@profihost.ag> <1453772817.3912.6.camel@intel.com> <56A71EAA.6060109@profihost.ag> From: Yang Zhang Message-ID: <56A746E6.3020201@gmail.com> Date: Tue, 26 Jan 2016 18:13:58 +0800 MIME-Version: 1.0 In-Reply-To: <56A71EAA.6060109@profihost.ag> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] trace in arch/x86/kernel/apic/apic.c:1309 setup_local_APIC List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Stefan Priebe - Profihost AG , "Han, Huaitong" Cc: "qemu-devel@nongnu.org" , "kvm@vger.kernel.org" On 2016/1/26 15:22, Stefan Priebe - Profihost AG wrote: > Hi, > > Am 26.01.2016 um 02:46 schrieb Han, Huaitong: >> What is the host kernel version and host dmesg information? And does >> the problem exist when you use latest kernel and QEMU to replace old >> binary file? > > Guest and Host is both 4.1.15. You mean the complete dmesg output from host? > > What do you mean with replace old binary file? I haven't tested Kernel > 4.4 as we use 4.1 as it is a long term stable kernel release. Have you seen this before? I mean use the old KVM like 3.10? > > Stefan > >> On Mon, 2016-01-25 at 14:51 +0100, Stefan Priebe - Profihost AG wrote: >>> Hi, >>> >>> while running qemu 2.4 on whestmere CPUs i'm pretty often getting >>> this >>> one while booting: >>> [ 0.811645] Switched APIC routing to physical x2apic. >>> [ 1.835678] ------------[ cut here ]------------ >>> [ 1.835704] WARNING: CPU: 0 PID: 1 at >>> arch/x86/kernel/apic/apic.c:1309 setup_local_APIC+0x284/0x340() >>> [ 1.835714] Modules linked in: >>> [ 1.835724] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.1.15+72-ph >>> #1 >>> [ 1.835731] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), >>> BIOS rel-1.8.2-0-g33fbe13 by qemu-project.org 04/01/2014 >>> [ 1.835743] ffffffffb69ffcea ffff88042d5e3d68 ffffffffb669c37b >>> 0000000000000918 >>> [ 1.835754] 0000000000000000 ffff88042d5e3da8 ffffffffb6080d67 >>> ffff88042d5e3da8 >>> [ 1.835765] 0000000000000001 0000000000000000 0000000000008000 >>> 0000000000000000 >>> [ 1.835777] Call Trace: >>> [ 1.835789] [] dump_stack+0x45/0x57 >>> [ 1.835799] [] warn_slowpath_common+0x97/0xe0 >>> [ 1.835806] [] warn_slowpath_null+0x1a/0x20 >>> [ 1.835813] [] setup_local_APIC+0x284/0x340 >>> [ 1.835824] [] apic_bsp_setup+0x5b/0xb0 >>> [ 1.835832] [] >>> native_smp_prepare_cpus+0x23b/0x295 >>> [ 1.835842] [] kernel_init_freeable+0xc7/0x20f >>> [ 1.835853] [] ? rest_init+0x80/0x80 >>> [ 1.835860] [] kernel_init+0xe/0xf0 >>> [ 1.835870] [] ret_from_fork+0x42/0x70 >>> [ 1.835877] [] ? rest_init+0x80/0x80 >>> [ 1.835891] ---[ end trace bdbe630a8de2832c ]--- >>> [ 1.837613] Spurious LAPIC timer interrupt on cpu 0 >>> [ 1.837957] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 >>> [ 1.939574] smpboot: CPU0: Intel Westmere E56xx/L56xx/X56xx >>> (Nehalem-C) (fam: 06, model: 2c, stepping: 01) >>> [ 1.939630] Performance Events: unsupported p6 CPU model 44 no PMU >>> driver, software events only. >>> [ 1.950868] KVM setup paravirtual spinlock >>> >>> Greets, >>> Stefan >>> -- >>> To unsubscribe from this list: send the line "unsubscribe kvm" in >>> the body of a message to majordomo@vger.kernel.org >>> More majordomo info at http://vger.kernel.org/majordomo-info.html > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- best regards yang