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From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Greg KH <greg@kroah.com>
Subject: Re: linux-2.6.23-git3: Many sysfs-related warnings in dmesg
Date: Tue, 16 Oct 2007 22:04:51 +0200
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Cc: Linus Torvalds <torvalds@linux-foundation.org>,
       Andrew Morton <akpm@linux-foundation.org>, Tejun Heo <htejun@gmail.com>,
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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:
> >  [<ffffffff802d1532>] sysfs_add_one+0x5c/0xc9
> >  [<ffffffff802d2411>] sysfs_create_link+0xd1/0x12c
> >  [<ffffffff803756da>] device_rename+0x17a/0x1db
> >  [<ffffffff803c903d>] dev_change_name+0x114/0x20c
> >  [<ffffffff803c9339>] dev_ifsioc+0x204/0x2d0
> >  [<ffffffff803c9925>] dev_ioctl+0x520/0x633
> >  [<ffffffff803bf445>] sk_alloc+0x37/0x10c
> >  [<ffffffff8024b977>] up_read+0x9/0xb
> >  [<ffffffff803bc65e>] sock_ioctl+0x1fe/0x20c
> >  [<ffffffff8029b34a>] do_ioctl+0x2a/0x77
> >  [<ffffffff8029b5e8>] vfs_ioctl+0x251/0x26e
> >  [<ffffffff8029b664>] sys_ioctl+0x5f/0x83
> >  [<ffffffff8020bd4e>] 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).

Greetings,
Rafael