From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965737AbXJPUv4 (ORCPT ); Tue, 16 Oct 2007 16:51:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965363AbXJPUvB (ORCPT ); Tue, 16 Oct 2007 16:51:01 -0400 Received: from brick.kernel.dk ([87.55.233.238]:25991 "EHLO kernel.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965546AbXJPUu7 (ORCPT ); Tue, 16 Oct 2007 16:50:59 -0400 Date: Tue, 16 Oct 2007 22:50:54 +0200 From: Jens Axboe To: Greg KH Cc: "Rafael J. Wysocki" , Linus Torvalds , Andrew Morton , Tejun Heo , LKML Subject: Re: linux-2.6.23-git3: Many sysfs-related warnings in dmesg Message-ID: <20071016205053.GI9942@kernel.dk> References: <200710132126.33085.rjw@sisk.pl> <20071016045025.GC8125@kroah.com> <200710162204.51961.rjw@sisk.pl> <20071016204238.GA1093@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20071016204238.GA1093@kroah.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Oct 16 2007, Greg KH wrote: > On Tue, Oct 16, 2007 at 10:04:51PM +0200, Rafael J. Wysocki wrote: > > On Tuesday, 16 October 2007 06:50, Greg KH wrote: > > > On Sat, Oct 13, 2007 at 09:26:32PM +0200, Rafael J. Wysocki wrote: > > > > Hi, > > > > > > > > There are many traces like this in my dmesg from 2.6.23-git3 (they don't > > > > appear for vanilla 2.6.23): > > > > > > > > <4>sysfs: duplicate filename 'ethxx1' can not be created > > > > WARNING: at /home/rafael/src/linux-2.6/fs/sysfs/dir.c:425 sysfs_add_one() > > > > > > > > Call Trace: > > > > [] sysfs_add_one+0x5c/0xc9 > > > > [] sysfs_create_link+0xd1/0x12c > > > > [] device_rename+0x17a/0x1db > > > > [] dev_change_name+0x114/0x20c > > > > [] dev_ifsioc+0x204/0x2d0 > > > > [] dev_ioctl+0x520/0x633 > > > > [] sk_alloc+0x37/0x10c > > > > [] up_read+0x9/0xb > > > > [] sock_ioctl+0x1fe/0x20c > > > > [] do_ioctl+0x2a/0x77 > > > > [] vfs_ioctl+0x251/0x26e > > > > [] sys_ioctl+0x5f/0x83 > > > > [] system_call+0x7e/0x83 > > > > > > > > net ethxx1: device_rename: sysfs_create_symlink failed (-17) > > > > sysfs: duplicate filename 'eth1' can not be created > > > > > > > > Everything seems to work, but this just looks fishy. > > > > > > This is a userspace program renaming your network device to a name that > > > is already in use. What distro and release is this? > > > > openSUSE 10.2, with some updates (not the most recent, though). > > Can you try 10.3? I think we fixed this issue there. Ehm nope: Oct 16 19:36:27 carl kernel: sysfs: duplicate filename 'wlan0_rename' can not be created Oct 16 19:36:27 carl kernel: udev: renamed network interface wmaster0 to eth1 Oct 16 19:36:27 carl kernel: WARNING: at fs/sysfs/dir.c:425 sysfs_add_one() Oct 16 19:36:27 carl kernel: [] sysfs_add_one+0x9f/0xe0 Oct 16 19:36:27 carl kernel: [] sysfs_create_link+0x86/0x110 Oct 16 19:36:27 carl kernel: [] device_rename+0x17a/0x1e0 Oct 16 19:36:27 carl kernel: [] filemap_fault+0x1ff/0x400 Oct 16 19:36:27 carl kernel: [] dev_change_name+0xb0/0x210 Oct 16 19:36:27 carl kernel: [] dev_ioctl+0x3c9/0x530 Oct 16 19:36:27 carl kernel: [] inotify_d_instantiate+0x18/0x80 Oct 16 19:36:27 carl kernel: [] do_page_fault+0x4a4/0x6f0 Oct 16 19:36:27 carl kernel: [] sock_ioctl+0x0/0x220 Oct 16 19:36:27 carl kernel: [] do_ioctl+0x2b/0x90 Oct 16 19:36:27 carl kernel: [] sys_socket+0x2b/0x50 Oct 16 19:36:27 carl kernel: [] vfs_ioctl+0x21e/0x2a0 Oct 16 19:36:27 carl kernel: [] sys_ioctl+0x3d/0x70 Oct 16 19:36:27 carl kernel: [] sysenter_past_esp+0x6b/0xa1 Oct 16 19:36:27 carl kernel: ======================= Oct 16 19:36:27 carl kernel: net wlan0_rename: device_rename: sysfs_create_symlink failed (-17) -- Jens Axboe