From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752602Ab0EaUhK (ORCPT ); Mon, 31 May 2010 16:37:10 -0400 Received: from mail-fx0-f46.google.com ([209.85.161.46]:35412 "EHLO mail-fx0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751888Ab0EaUhH (ORCPT ); Mon, 31 May 2010 16:37:07 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:reply-to:to:subject:date:user-agent:mime-version:content-type :content-transfer-encoding:message-id; b=bkyfZke3oLLHnMN9EaZGnvmN04NVDvsE82nZP8SpxFlAq6VCAMiJsgloDB8xVRvLOg yvGm1HJ5cQtw1EsRO1wUzRDkWlxmjUR8xA9vsviKZsaB8gqAksGIM9H36guwAOwvYZRw 0GJXUaBMiOXxfKe/DvRptNFLpTWh6YLP5FOQ8= From: Maciej Rutecki Reply-To: maciej.rutecki@gmail.com To: "Rafael J. Wysocki" , "linux-kernel@vger.kernel.org" Subject: [Regression] [2.6.35-rc1][suspend to ram] BUG: using smp_processor_id() in preemptible [00000000] code: cat/3634 Date: Mon, 31 May 2010 22:37:01 +0200 User-Agent: KMail/1.12.4 (Linux/2.6.34; KDE/4.3.4; i686; ; ) MIME-Version: 1.0 Content-Type: Text/Plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Message-Id: <201005312237.01725.maciej.rutecki@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Last known good: 2.6.34 Failing kernel: 2.6.35-rc1 More info: After resume from suspend to ram I saw this message in dmesg: [ 484.658275] BUG: using smp_processor_id() in preemptible [00000000] code: cat/3634 [ 484.658285] caller is nr_iowait_cpu+0xe/0x1e [ 484.658288] Pid: 3634, comm: cat Not tainted 2.6.35-rc1 #1 [ 484.658291] Call Trace: [ 484.658298] [] ? printk+0xf/0x11 [ 484.658304] [] debug_smp_processor_id+0xa5/0xbc [ 484.658308] [] nr_iowait_cpu+0xe/0x1e [ 484.658314] [] update_ts_time_stats+0x32/0x8d [ 484.658317] [] ? ktime_get+0x5f/0xce [ 484.658321] [] get_cpu_idle_time_us+0x36/0x62 [ 484.658326] [] cpufreq_governor_dbs+0xc3/0x3df [ 484.658332] [] ? ext3_mark_iloc_dirty+0x2a6/0x306 [ 484.658337] [] ? acpi_processor_ppc_notifier+0x90/0x95 [ 484.658341] [] ? notifier_call_chain+0x26/0x50 [ 484.658346] [] __cpufreq_governor+0x97/0xcb [ 484.658349] [] ? lock_policy_rwsem_write+0x33/0x59 [ 484.658353] [] __cpufreq_set_policy+0x104/0x13c [ 484.658357] [] store_scaling_governor+0x154/0x178 [ 484.658362] [] ? handle_update+0x0/0xd [ 484.658366] [] ? lock_policy_rwsem_write+0x33/0x59 [ 484.658370] [] ? store_scaling_governor+0x0/0x178 [ 484.658374] [] store+0x42/0x5b [ 484.658378] [] sysfs_write_file+0xbc/0xe7 [ 484.658383] [] vfs_write+0x8a/0x112 [ 484.658386] [] ? sysfs_write_file+0x0/0xe7 [ 484.658390] [] sys_write+0x3b/0x60 [ 484.658394] [] sysenter_do_call+0x12/0x22 After this system works. Suspend to disk seems be OK. Config: http://unixy.pl/maciek/download/kernel/2.6.35-rc1/zlom/config-2.6.35-rc1 Dmesg: http://unixy.pl/maciek/download/kernel/2.6.35-rc1/zlom/dmesg-2.6.35-rc1.txt Regards -- Maciej Rutecki http://www.maciek.unixy.pl