From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760715AbYJMXZk (ORCPT ); Mon, 13 Oct 2008 19:25:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756113AbYJMXZc (ORCPT ); Mon, 13 Oct 2008 19:25:32 -0400 Received: from mtiwmhc13.worldnet.att.net ([204.127.131.117]:34109 "EHLO mtiwmhc13.worldnet.att.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753952AbYJMXZb (ORCPT ); Mon, 13 Oct 2008 19:25:31 -0400 Message-ID: <48F3D8EA.4080708@lwfinger.net> Date: Mon, 13 Oct 2008 16:25:30 -0700 From: Larry Finger User-Agent: Thunderbird 2.0.0.17 (X11/20080922) MIME-Version: 1.0 To: LKML Subject: Stack dump from GIT HEAD if CONFIG_ATA_SFF is not set Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org I am using kernel 2.6.27-Linus-03151-g4480f15b-dirty. On booting a system built with CONFIG_ATA_SFF not set, the following appears in my dmesg output. The "dirtiness" of the kernel is due to some code included to trace down messages coming from the usb system, and is not involved here. If CONFIG_ATA_SFF=y, the message does not appear. From Google results, it seems that this parameter should be set for most systems, but one should get clean runs without it. ata1: SATA max UDMA/133 abar m8192@0xfc484000 port 0xfc484100 irq 4349 ata2: SATA max UDMA/133 abar m8192@0xfc484000 port 0xfc484180 irq 4349 ata3: SATA max UDMA/133 abar m8192@0xfc484000 port 0xfc484200 irq 4349 ata4: SATA max UDMA/133 abar m8192@0xfc484000 port 0xfc484280 irq 4349 INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. Pid: 504, comm: scsi_eh_0 Not tainted 2.6.27-Linus-03151-g4480f15b-dirty #174 Call Trace: [] static_obj+0x51/0x6b [] __lock_acquire+0xd28/0x142f [] find_busiest_group+0x329/0x7da [] lock_acquire+0x52/0x6b [] __cancel_work_timer+0xbf/0x1e6 [] __cancel_work_timer+0xf6/0x1e6 [] __cancel_work_timer+0xbf/0x1e6 [] trace_hardirqs_on_caller+0xef/0x113 [] _spin_unlock_irq+0x24/0x27 [] finish_task_switch+0x5f/0xc5 [] finish_task_switch+0x0/0xc5 [] thread_return+0x3d/0xbe [] ata_port_flush_task+0x10/0x3b [libata] [] ata_scsi_error+0x20/0x57b [libata] [] _spin_unlock_irq+0x24/0x27 [] finish_task_switch+0x0/0xc5 [] scsi_error_handler+0xda/0x535 [scsi_mod] [] scsi_error_handler+0x0/0x535 [scsi_mod] [] kthread+0x47/0x73 [] trace_hardirqs_on_thunk+0x3a/0x3f [] child_rip+0xa/0x11 [] restore_args+0x0/0x30 [] kthreadd+0x174/0x199 [] kthread+0x0/0x73 [] child_rip+0x0/0x11 input: PS/2 Mouse as /class/input/input2 input: AlpsPS/2 ALPS GlidePoint as /class/input/input3 ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) ata1.00: ATA-8: TOSHIBA MK2546GSX, LB014C, max UDMA/100 Larry