From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753720AbYI3RAh (ORCPT ); Tue, 30 Sep 2008 13:00:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752507AbYI3RA2 (ORCPT ); Tue, 30 Sep 2008 13:00:28 -0400 Received: from main.gmane.org ([80.91.229.2]:57282 "EHLO ciao.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751949AbYI3RA1 (ORCPT ); Tue, 30 Sep 2008 13:00:27 -0400 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: Sitsofe Wheeler Subject: sleeping function called from invalid context at kernel/mutex.c Date: Tue, 30 Sep 2008 18:00:21 +0100 Message-ID: <48E25B25.10408@yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Complaints-To: usenet@ger.gmane.org Cc: Ingo Molnar , Andrew Morton X-Gmane-NNTP-Posting-Host: 87.114.24.126.plusnet.thn-ag3.dyn.plus.net User-Agent: Thunderbird 2.0.0.17 (Macintosh/20080914) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This turned up in a linux-tip from yesterday after resuming from a suspend on an EeePC 900: [ 1176.720189] ACPI: Preparing to enter system sleep state S3 [ 1176.745011] Intel machine check architecture supported. [ 1176.745011] Intel machine check reporting enabled on CPU#0. [ 1176.745011] Back to C! [ 1176.745011] BUG: sleeping function called from invalid context at kernel/mutex.c:207 [ 1176.745011] in_atomic(): 0, irqs_disabled(): 1, pid: 4513, name: pm-suspend [ 1176.745011] 3 locks held by pm-suspend/4513: [ 1176.745011] #0: (&buffer->mutex){--..}, at: [] sysfs_write_file+0x30/0x100 [ 1176.745011] #1: (pm_mutex){--..}, at: [] enter_state+0x4a/0x140 [ 1176.745011] #2: (dpm_list_mtx){--..}, at: [] device_pm_lock+0x14/0x20 [ 1176.745011] irq event stamp: 28504 [ 1176.745011] hardirqs last enabled at (28503): [] trace_hardirqs_on+0xb/0x10 [ 1176.745011] hardirqs last disabled at (28504): [] trace_hardirqs_off+0xb/0x10 [ 1176.745011] softirqs last enabled at (27690): [] __do_softirq+0xa3/0xc0 [ 1176.745011] softirqs last disabled at (27685): [] do_softirq+0x55/0x60 [ 1176.745011] Pid: 4513, comm: pm-suspend Not tainted 2.6.27-rc7-tipskw-00976-g30d1868-dirty #25 [ 1176.745011] [] ? do_softirq+0x55/0x60 [ 1176.745011] [] __might_sleep+0xe4/0x110 [ 1176.745011] [] mutex_lock_nested+0x24/0x50 [ 1176.745011] [] microcode_update_cpu+0x22/0xf0 [ 1176.745011] [] ? trace_hardirqs_off+0xb/0x10 [ 1176.745011] [] ? _spin_unlock_irqrestore+0x3c/0x60 [ 1176.745011] [] mc_sysdev_resume+0x15/0x20 [ 1176.745011] [] __sysdev_resume+0x3b/0x50 [ 1176.745011] [] sysdev_resume+0x57/0x90 [ 1176.745011] [] device_power_up+0x10/0x20 [ 1176.745011] [] suspend_devices_and_enter+0x11f/0x140 [ 1176.745011] [] enter_state+0xab/0x140 [ 1176.745011] [] state_store+0xa4/0xe0 [ 1176.745011] [] ? state_store+0x0/0xe0 [ 1176.745011] [] kobj_attr_store+0x24/0x30 [ 1176.745011] [] sysfs_write_file+0xa7/0x100 [ 1176.745011] [] vfs_write+0x9a/0x120 [ 1176.745011] [] ? sysfs_write_file+0x0/0x100 [ 1176.745011] [] sys_write+0x42/0x70 [ 1176.745011] [] sysenter_do_call+0x12/0x35 [ 1176.745011] ======================= [ 1176.745011] Force enabled HPET at resume [ 1176.748667] ACPI: Waking up from system sleep state S3 [ 1176.801657] ACPI: EC: non-query interrupt received, switching to interrupt mode -- Sitsofe | http://sucs.org/~sits/