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From: Jiri Slaby <jslaby@suse•cz>
To: linux-kernel@vger•kernel.org
Cc: akpm@linux-foundation•org, mm-commits@vger•kernel.org,
	Jiri Slaby <jirislaby@gmail•com>,
	ML netdev <netdev@vger•kernel.org>,
	maxk@qualcomm•com, vtun@office•satix.net
Subject: tun: Failed to create tun sysfs files [was: mmotm 2011-03-02-16-52 uploaded]
Date: Fri, 04 Mar 2011 09:56:09 +0100	[thread overview]
Message-ID: <4D70A929.4010900@suse.cz> (raw)
In-Reply-To: <201103030127.p231ReNl012841@imap1.linux-foundation.org>

On 03/03/2011 01:52 AM, akpm@linux-foundation•org wrote:
> The mm-of-the-moment snapshot 2011-03-02-16-52 has been uploaded to

Hi, I'm seeing this with tun (also with earlier versions):
WARNING: at fs/sysfs/dir.c:455 sysfs_add_one+0xb8/0xe0()
Hardware name: To Be Filled By O.E.M.
sysfs: cannot create duplicate filename '/devices/virtual/net/tun0/group'
Modules linked in: microcode dvb_usb_af9015 tda18271 af9013 dvb_usb dvb_core
Pid: 3840, comm: openvpn Not tainted 2.6.38-rc4-mm1_64+ #1390
Call Trace:
 [<ffffffff8106d61a>] ? warn_slowpath_common+0x7a/0xb0
 [<ffffffff8106d6f1>] ? warn_slowpath_fmt+0x41/0x50
 [<ffffffff81176638>] ? sysfs_add_one+0xb8/0xe0
 [<ffffffff8117570d>] ? sysfs_add_file_mode+0x5d/0xa0
 [<ffffffff8117575c>] ? sysfs_add_file+0xc/0x10
 [<ffffffff81175841>] ? sysfs_create_file+0x21/0x40
 [<ffffffff813609d4>] ? device_create_file+0x14/0x20
 [<ffffffff813e0256>] ? tun_set_iff+0x3f6/0x4a0
 [<ffffffff813e05fe>] ? __tun_chr_ioctl+0x12e/0x5d0
 [<ffffffff8126c5c2>] ? __strncpy_from_user+0x22/0x60
 [<ffffffff813e0ade>] ? tun_chr_ioctl+0xe/0x10
 [<ffffffff811274ed>] ? do_vfs_ioctl+0x8d/0x300
 [<ffffffff811277aa>] ? sys_ioctl+0x4a/0x80
 [<ffffffff81030dbb>] ? system_call_fastpath+0x16/0x1b

It's because these devices already contain 'group' in the sysfs dir.

regards,
-- 
js
suse labs

       reply	other threads:[~2011-03-04  8:56 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <201103030127.p231ReNl012841@imap1.linux-foundation.org>
2011-03-04  8:56 ` Jiri Slaby [this message]
2011-03-04  9:06   ` tun: Failed to create tun sysfs files David Miller
2011-03-04  9:37     ` Jiri Slaby
2011-03-05  8:04       ` tun routing is broken [was: tun: Failed to create tun sysfs files] Jiri Slaby
2011-03-05  8:10         ` tun routing is broken David Miller
2011-03-05  8:17           ` Jiri Slaby
2011-03-05  8:26             ` Jiri Slaby
2011-03-07 12:54             ` Jiri Kosina
2011-03-05 11:48           ` Valdis.Kletnieks

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