From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1767298AbXDEUcQ (ORCPT ); Thu, 5 Apr 2007 16:32:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1767303AbXDEUcQ (ORCPT ); Thu, 5 Apr 2007 16:32:16 -0400 Received: from rwcrmhc15.comcast.net ([216.148.227.155]:34408 "EHLO rwcrmhc15.comcast.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1767298AbXDEUcN (ORCPT ); Thu, 5 Apr 2007 16:32:13 -0400 X-Greylist: delayed 96980 seconds by postgrey-1.27 at vger.kernel.org; Thu, 05 Apr 2007 16:32:13 EDT Message-ID: <46155CFF.70701@wolfmountaingroup.com> Date: Thu, 05 Apr 2007 14:33:03 -0600 From: "Jeff V. Merkey" User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.12) Gecko/20050921 Red Hat/1.7.12-1.4.1 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Linux kernel Subject: Preemption Broken: centrino_target busted under SMP on 2.6.20.4 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org BUG: using smp_processor_id() in preemptible [00000001] code: kondemand/0/2473 caller is centrino_target+0xfb/0x600 [<401e3646>] debug_smp_processor_id+0x9e/0xb0 [<40112afb>] centrino_target+0xfb/0x600 [<40112a00>] centrino_target+0x0/0x600 [<40305bd9>] __cpufreq_driver_target+0x5c/0x6b [] do_dbs_timer+0x1bc/0x208 [cpufreq_ondemand] [<40134a46>] run_workqueue+0x85/0x125 [<40374f7f>] _spin_lock_irqsave+0x18/0x66 [] do_dbs_timer+0x0/0x208 [cpufreq_ondemand] [<401353fb>] worker_thread+0xf9/0x124 [<401213b9>] default_wake_function+0x0/0xc [<40135302>] worker_thread+0x0/0x124 [<40137b37>] kthread+0xb0/0xd9 [<40137a87>] kthread+0x0/0xd9 [<40104b2f>] kernel_thread_helper+0x7/0x10 ======================= Jeff