From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756314AbZEUU0r (ORCPT ); Thu, 21 May 2009 16:26:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753754AbZEUU0i (ORCPT ); Thu, 21 May 2009 16:26:38 -0400 Received: from mail-pz0-f177.google.com ([209.85.222.177]:64034 "EHLO mail-pz0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753711AbZEUU0i (ORCPT ); Thu, 21 May 2009 16:26:38 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:subject:message-id:mail-followup-to:mime-version :content-type:content-disposition:user-agent; b=Ii621P+9obpPyCdnI/Gt1y0DzQHnTfbNnXC95ev0dEBgfRJyx7RopNKkcAcv8k/Epl PHgbFVnQDinJr8aS1zG1dFil7jimwkaMBsga0RagIztKR3qEhKjP1kscSh5rJ3Tx3oUZ b0sIg0uB19O0Hy7/6MntSk/JFYZhIfqR+1lBk= Date: Thu, 21 May 2009 17:26:55 -0300 From: Matheus Izvekov To: linux-kernel@vger.kernel.org Subject: [BUG] parport issue on 2.6.29 Message-ID: <20090521202655.GA13944@izvekov> Mail-Followup-To: linux-kernel@vger.kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline User-Agent: Mutt/1.5.19 (2009-01-05) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This warning happens whenever a specific parallel port control app is run without a device attached to it. After the first timeout, the app hangs, and needs SIGKILL to exit. WARNING: at kernel/sysctl.c:2021 unregister_sysctl_table+0xa3/0x110() Hardware name: Modules linked in: Pid: 12161, comm: x-killer.exe Not tainted 2.6.29.4 #14 Call Trace: [] warn_slowpath+0xd0/0x130 [] ? sched_clock_cpu+0xb9/0x190 [] ? try_to_wake_up+0x174/0x330 [] ? up+0x34/0x50 [] ? release_console_sem+0x1bd/0x210 [] ? printk+0x67/0x69 [] unregister_sysctl_table+0xa3/0x110 [] parport_device_proc_unregister+0x28/0x40 [] parport_unregister_device+0x15/0x180 [] pp_release+0xbc/0x1f0 [] __fput+0xc3/0x1e0 [] fput+0x1d/0x30 [] filp_close+0x50/0x80 [] put_files_struct+0x84/0xe0 [] exit_files+0x4e/0x60 [] do_exit+0x196/0x930 [] do_group_exit+0x3e/0xb0 [] get_signal_to_deliver+0x2a4/0x420 [] do_notify_resume+0xba/0x900 [] ? __wake_up+0x4e/0x70 [] ? getnstimeofday+0x59/0xe0 [] ? ktime_get_ts+0x59/0x60 [] ? compat_sys_futex+0xb4/0x140 [] int_signal+0x12/0x17 --[ end trace ff1bd583c825c0c5 ]--- pdev0: unregistered pardevice