Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751448Ab0FFFqM (ORCPT ); Sun, 6 Jun 2010 01:46:12 -0400 Received: from mail-fx0-f46.google.com ([209.85.161.46]:59335 "EHLO mail-fx0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751140Ab0FFFqK (ORCPT ); Sun, 6 Jun 2010 01:46:10 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:reply-to:to:subject:date:user-agent:cc:references:in-reply-to :mime-version:content-type:content-transfer-encoding:message-id; b=iC/r+FUVwdTUvTKsWJm0u2+9yA3XbDeKFhuBC3ZeTX5UD0muRzU5qq0PXEyzZi7MoJ NT68qZJ9zcz/KYlEekCs4ILW2IRxtHvRVlTkQEyD+vuzqPW1LM0KZh2PJ+jb66i0YZvE kWqJiKSuxk4BMwPZlDbkf5pBMOgzID0U/SeXc= From: Maciej Rutecki Reply-To: maciej.rutecki@gmail.com To: andrew hendry Subject: Re: BUG: using smp_processor_id() in preemptible [00000000] code: ondemand/1327 Date: Sun, 6 Jun 2010 07:46:05 +0200 User-Agent: KMail/1.12.4 (Linux/2.6.34; KDE/4.3.4; i686; ; ) Cc: "linux-kernel" References:

In-Reply-To: MIME-Version: 1.0 Content-Type: Text/Plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Message-Id: <201006060746.05251.maciej.rutecki@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3049 Lines: 61 On niedziela, 30 maja 2010 o 10:35:44 andrew hendry wrote: > Running hdparm -tT /dev/sda gets a similar one. > > [ 2705.519946] BUG: using smp_processor_id() in preemptible [00000000] > code: hdparm/2479 > [ 2705.519948] caller is vfs_quota_sync+0x18c/0x350 > [ 2705.519950] Pid: 2479, comm: hdparm Not tainted 2.6.34 #2 > [ 2705.519951] Call Trace: > [ 2705.519953] [] debug_smp_processor_id+0xd8/0xf0 > [ 2705.519956] [] vfs_quota_sync+0x18c/0x350 > [ 2705.519958] [] ? sync_one_sb+0x0/0x30 > [ 2705.519960] [] ? sync_one_sb+0x0/0x30 > [ 2705.519962] [] __sync_filesystem+0x41/0xa0 > [ 2705.519964] [] sync_one_sb+0x20/0x30 > [ 2705.519966] [] iterate_supers+0x84/0xd0 > [ 2705.519969] [] sys_sync+0x2f/0x70 > [ 2705.519971] [] system_call_fastpath+0x16/0x1b > > On Sun, May 30, 2010 at 6:02 PM, andrew hendry wrote: > > I get 6 of these logged together about 1 minute after startup on an > > i7-860. Config attached. Distro is Ubuntu 10.04 64 bit. > > Is this one known or should I start a bisect? > > > > [ 64.924201] BUG: using smp_processor_id() in preemptible [00000000] > > code: ondemand/1327 > > [ 64.924625] caller is nr_iowait_cpu+0x1a/0x40 > > [ 64.924627] Pid: 1327, comm: ondemand Not tainted 2.6.34 #2 > > [ 64.924629] Call Trace: > > [ 64.924634] [] debug_smp_processor_id+0xd8/0xf0 > > [ 64.924637] [] nr_iowait_cpu+0x1a/0x40 > > [ 64.924641] [] update_ts_time_stats+0x72/0x90 > > [ 64.924645] [] ? read_tsc+0x9/0x20 > > [ 64.924647] [] ? ktime_get+0x63/0xe0 > > [ 64.924650] [] get_cpu_idle_time_us+0x52/0x80 > > [ 64.924654] [] cpufreq_governor_dbs+0x1dc/0x430 > > [ 64.924657] [] __cpufreq_governor+0xc5/0x190 > > [ 64.924660] [] ? lock_policy_rwsem_write+0x52/0x90 > > [ 64.924662] [] __cpufreq_set_policy+0x147/0x190 > > [ 64.924665] [] store_scaling_governor+0xe5/0x210 > > [ 64.924667] [] ? handle_update+0x0/0x20 > > [ 64.924672] [] ? _raw_write_unlock_irq+0x40/0x50 > > [ 64.924675] [] store+0x67/0xa0 > > [ 64.924679] [] sysfs_write_file+0xe5/0x170 > > [ 64.924682] [] vfs_write+0xb8/0x180 > > [ 64.924685] [] sys_write+0x51/0x90 > > [ 64.924689] [] system_call_fastpath+0x16/0x1b Seems be similar: http://lkml.org/lkml/2010/5/31/21 Regards -- Maciej Rutecki http://www.maciek.unixy.pl -- 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/