From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933524Ab2JXIY2 (ORCPT ); Wed, 24 Oct 2012 04:24:28 -0400 Received: from smtp.wow.synacor.com ([64.8.70.55]:43358 "EHLO smtp.mail.wowway.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755607Ab2JXIYZ (ORCPT ); Wed, 24 Oct 2012 04:24:25 -0400 X-Spam-Rating: None X_CMAE_Category: 0,0 Undefined,Undefined X-CNFS-Analysis: v=1.1 cv=xHXv0g0Kn/mySl3Zfr0D25xRGcuzAlFTymZE9p2Zkbk= c=1 sm=0 a=Vm6sNz4auHEA:10 a=nDghuxUhq_wA:10 a=kj9zAlcOel0A:10 a=txbFqWyMoYUhCs4Bd_4A:9 a=CjuIK1q_8ugA:10 a=zsaeSSr3pazHFAQJU9uUyg==:117 X-CM-Score: 0 Authentication-Results: smtp02.wow.synacor.com smtp.mail=set@squish.homelinux.org; spf=neutral Date: Wed, 24 Oct 2012 04:24:23 -0400 From: Paul Thompson To: linux-kernel@vger.kernel.org Subject: BUG: using smp_processor_id() in preemptible Message-ID: <20121024082423.GB2604@squish.home.loc> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi; Just saw this after invoking cpufreq-set -g performance in an attempt to enhance a stuttering mpeg transcode for ps3mediaserver. This repeats in the logs about 10 times. If anyone cares, I will be responsive. Paul 2012 Oct 24 01:39:14: BUG: using smp_processor_id() in preemptible [00000000] code: cpufreq-set/22941 2012 Oct 24 01:39:14: caller is powernowk8_target+0x19/0x50 2012 Oct 24 01:39:14: Pid: 22941, comm: cpufreq-set Not tainted 3.6.2-low-lat #13 2012 Oct 24 01:39:14: Call Trace: 2012 Oct 24 01:39:14: [] ? debug_smp_processor_id+0xd6/0xf0 2012 Oct 24 01:39:14: [] ? powernowk8_target+0x19/0x50 2012 Oct 24 01:39:14: [] ? cpufreq_governor_performance+0x25/0x30 2012 Oct 24 01:39:14: [] ? __cpufreq_governor+0x47/0xc0 2012 Oct 24 01:39:14: [] ? __cpufreq_set_policy+0x164/0x1a0 2012 Oct 24 01:39:14: [] ? store_scaling_governor+0xc9/0x1b0 2012 Oct 24 01:39:15: [] ? cpufreq_update_policy+0xf0/0xf0 2012 Oct 24 01:39:15: [] ? store+0x65/0xb0 2012 Oct 24 01:39:15: [] ? sysfs_write_file+0xcd/0x150 2012 Oct 24 01:39:15: [] ? vfs_write+0xa7/0x180 2012 Oct 24 01:39:15: [] ? sys_write+0x47/0x90 2012 Oct 24 01:39:15: [] ? system_call_fastpath+0x1a/0x1f