From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754104Ab3AQRzu (ORCPT ); Thu, 17 Jan 2013 12:55:50 -0500 Received: from youngberry.canonical.com ([91.189.89.112]:43217 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750834Ab3AQRzs (ORCPT ); Thu, 17 Jan 2013 12:55:48 -0500 Message-ID: <50F83AD8.8020606@canonical.com> Date: Thu, 17 Jan 2013 12:54:32 -0500 From: Joseph Salisbury User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/17.0 Thunderbird/17.0 MIME-Version: 1.0 To: Chris Clayton CC: LKML Subject: Re: 3.7.0-rc8 - warning References: <50BD2DB2.8040600@googlemail.com> In-Reply-To: <50BD2DB2.8040600@googlemail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/03/2012 05:54 PM, Chris Clayton wrote: > I've built 3.7.0-rc8 and have been running it for about 40 minutes. > I was inspecting the output from dmesg whilst trying to figure out why > the command "alsactl restore" is producing an error and spotted this > kernel warning. > > [ 241.982633] ------------[ cut here ]------------ > [ 241.982642] WARNING: at arch/x86/kernel/apic/ipi.c:109 > default_send_IPI_mask_logical+0xa6/0xd0() > [ 241.982643] Hardware name: LIFEBOOK AH531 > [ 241.982645] empty IPI mask > [ 241.982646] Modules linked in: > [ 241.982647] iptable_filter xt_conntrack ipt_MASQUERADE iptable_nat > nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack > snd_usb_audio snd_usbmidi_lib usb_storage snd_hwdep snd_rawmidi > snd_seq_device coretemp snd_hda_codec_hdmi hwmon snd_hda_codec_realtek > fujitsu_laptop kvm_intel snd_hda_intel snd_hda_codec r8169 kvm [last > unloaded: microcode] > [ 241.982667] Pid: 692, comm: HTML5 Parser Not tainted 3.7.0-rc8 #77 > [ 241.982668] Call Trace: > [ 241.982672] [] ? warn_slowpath_common+0x78/0xb0 > [ 241.982674] [] ? default_send_IPI_mask_logical+0xa6/0xd0 > [ 241.982676] [] ? default_send_IPI_mask_logical+0xa6/0xd0 > [ 241.982678] [] ? warn_slowpath_fmt+0x33/0x40 > [ 241.982680] [] ? default_send_IPI_mask_logical+0xa6/0xd0 > [ 241.982683] [] ? native_send_call_func_ipi+0x3f/0x60 > [ 241.982688] [] ? smp_call_function_many+0x178/0x220 > [ 241.982690] [] ? do_flush_tlb_all+0x60/0x60 > [ 241.982692] [] ? native_flush_tlb_others+0x28/0x30 > [ 241.982694] [] ? flush_tlb_page+0x82/0xd0 > [ 241.982695] [] ? ptep_set_access_flags+0x61/0x70 > [ 241.982698] [] ? do_wp_page+0x34a/0x7f0 > [ 241.982701] [] ? handle_pte_fault+0x49d/0x870 > [ 241.982704] [] ? futex_wake+0xf8/0x120 > [ 241.982706] [] ? do_futex+0xf7/0x9f0 > [ 241.982708] [] ? handle_mm_fault+0xda/0x140 > [ 241.982711] [] ? __do_page_fault+0x141/0x460 > [ 241.982713] [] ? ktime_get_ts+0x3a/0x150 > [ 241.982715] [] ? > generic_smp_call_function_interrupt+0xca/0x160 > [ 241.982717] [] ? vmalloc_sync_all+0x10/0x10 > [ 241.982721] [] ? error_code+0x5a/0x60 > [ 241.982723] [] ? vmalloc_sync_all+0x10/0x10 > [ 241.982725] ---[ end trace a26e371ca3a2122a ]--- > > My .config is attached. > > Let me know if I can provide additional diagnostics or help testing > any patches, but please cc me as I'm not subscribed. > > Chris Hi Chris, This has also been reported in multiple distros: https://bugs.launchpad.net/bugs/1100202 https://bugzilla.redhat.com/show_bug.cgi?id=867174 Do you have a way to reproduce this, or does it happen at random times? Thanks, Joe