From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932078AbWGGIxX (ORCPT ); Fri, 7 Jul 2006 04:53:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932079AbWGGIxX (ORCPT ); Fri, 7 Jul 2006 04:53:23 -0400 Received: from ug-out-1314.google.com ([66.249.92.175]:62377 "EHLO ug-out-1314.google.com") by vger.kernel.org with ESMTP id S932078AbWGGIxW (ORCPT ); Fri, 7 Jul 2006 04:53:22 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:date:from:to:subject:message-id:x-mailer:mime-version:content-type:content-transfer-encoding; b=ZK26Tr7mM68pa9p7xY0ZV2GMzgE5eOuVSXZAEc4GtGlw94bhyhopECZh7AwdkwkSZVheROWSZfDrKUp7l7ORR2YoRiwrgNhRg/3TY8p3pOwYpWqYbaZYH0CFCGZ8BpgUN9+4j1hMIY/zhj4mry5AsJRx7UljZljIPSBPWNkg8JU= Date: Fri, 7 Jul 2006 12:59:42 +0400 From: Paul Drynoff To: Andrew Morton , linux-kernel@vger.kernel.org Subject: linux-2.6.17-mm6: strange kobject message Message-Id: <20060707125942.fe3d467b.pauldrynoff@gmail.com> X-Mailer: Sylpheed version 2.2.5 (GTK+ 2.8.12; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Here is dmesg which I got during boot, the first part not interesting I already reported about it, and I don't remember one of two things: Arjan van de Ven's patch was lost or not good enough. The second part is related to kobject, I'm not sure is it normal when kobject tell about -EEXIST and print stack? Note that this is happened only once per 100 normal booting, I mean the second part. ================================= [ INFO: inconsistent lock state ] --------------------------------- inconsistent {hardirq-on-W} -> {in-hardirq-W} usage. dhclient/1952 [HC1[1]:SC0[1]:HE0:SE0] takes: (&ei_local->page_lock){+...}, at: [] ei_interrupt+0x39/0x32c {hardirq-on-W} state was registered at: [] lock_acquire+0x57/0x74 [] _spin_lock+0x1a/0x28 [] ei_start_xmit+0x74/0x270 [] dev_hard_start_xmit+0x1a9/0x1f8 [] __qdisc_run+0xb6/0x1a8 [] dev_queue_xmit+0x115/0x23c [] packet_sendmsg_spkt+0x195/0x1d0 [] sock_sendmsg+0xcf/0xf0 [] sys_sendto+0xb6/0xf0 [] sys_socketcall+0x11f/0x194 [] syscall_call+0x7/0xb irq event stamp: 8667 hardirqs last enabled at (8666): [] _spin_unlock_irqrestore+0x3d/0x48 hardirqs last disabled at (8667): [] common_interrupt+0x1b/0x2c softirqs last enabled at (8632): [] __do_softirq+0x97/0xa8 softirqs last disabled at (8660): [] dev_queue_xmit+0x3b/0x23c other info that might help us debug this: 1 lock held by dhclient/1952: #0: (&dev->_xmit_lock){-+..}, at: [] __qdisc_run+0x37/0x1a8 stack backtrace: [] show_trace+0x16/0x1c [] dump_stack+0x1a/0x20 [] print_usage_bug+0x1d7/0x1e4 [] mark_lock+0x432/0x548 [] __lock_acquire+0x53e/0xc68 [] lock_acquire+0x57/0x74 [] _spin_lock+0x1a/0x28 [] ei_interrupt+0x39/0x32c [] handle_IRQ_event+0x24/0x58 [] handle_level_irq+0x6c/0xd0 [] do_IRQ+0x55/0xa8 [] common_interrupt+0x25/0x2c [] enable_irq+0x4b/0x9c [] ei_start_xmit+0x10f/0x270 [] dev_hard_start_xmit+0x1a9/0x1f8 [] __qdisc_run+0xb6/0x1a8 [] dev_queue_xmit+0x115/0x23c [] packet_sendmsg_spkt+0x195/0x1d0 [] sock_sendmsg+0xcf/0xf0 [] sys_sendto+0xb6/0xf0 [] sys_socketcall+0x11f/0x194 [] syscall_call+0x7/0xb kobject_add failed for vcs1 with -EEXIST, don't try to register things with the same name in the same directory. [] show_trace+0x16/0x1c [] dump_stack+0x1a/0x20 [] kobject_add+0x114/0x1b4 [] class_device_add+0xb3/0x484 [] class_device_register+0x13/0x18 [] class_device_create+0x8a/0xbc [] vcs_make_devfs+0x26/0x54 [] con_open+0x61/0x88 [] tty_open+0x16f/0x348 [] chrdev_open+0x63/0x168 [] __dentry_open+0x8c/0x164 [] nameidata_to_filp+0x30/0x3c [] do_filp_open+0x3b/0x44 [] do_sys_open+0x3b/0xc4 [] sys_open+0x13/0x18 [] syscall_call+0x7/0xb kobject_add failed for vcsa1 with -EEXIST, don't try to register things with the same name in the same directory. [] show_trace+0x16/0x1c [] dump_stack+0x1a/0x20 [] kobject_add+0x114/0x1b4 [] class_device_add+0xb3/0x484 [] class_device_register+0x13/0x18 [] class_device_create+0x8a/0xbc [] vcs_make_devfs+0x4c/0x54 [] con_open+0x61/0x88 [] tty_open+0x16f/0x348 [] chrdev_open+0x63/0x168 [] __dentry_open+0x8c/0x164 [] nameidata_to_filp+0x30/0x3c [] do_filp_open+0x3b/0x44 [] do_sys_open+0x3b/0xc4 [] sys_open+0x13/0x18 [] syscall_call+0x7/0xb