linux-kernel - Re: WARNING: at fs/sysfs/dir.c:424 sysfs_add_one() with 4fa435018d740cb83d74c92306aa1f796da91ddd

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Message-ID: <472947F7.3040101@linux.vnet.ibm.com>
Date:	Thu, 01 Nov 2007 08:58:55 +0530
From:	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
To:	Thomas Meyer <thomas@...3r.de>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	shaw@...nix.com, Greg Kroah-Hartman <gregkh@...e.de>
Subject: Re: WARNING: at fs/sysfs/dir.c:424 sysfs_add_one() with 4fa435018d740cb83d74c92306aa1f796da91ddd

Shaw Vrana wrote:
> Yeah, I get the same with 2.6.24-rc1.
> 
> 
> On Tue, Oct 23, 2007 at 05:48:54PM +0200, Thomas Meyer wrote:
>> Thomas Meyer schrieb:
>>> Oct 23 17:13:55 [kernel] usb 1-1: new high speed USB device using
>>> ehci_hcd and address 7
>>> Oct 23 17:13:55 [kernel] usb 1-1: configuration #1 chosen from 1 choice
>>> Oct 23 17:13:55 [kernel] hub 1-1:1.0: USB hub found
>>> Oct 23 17:13:55 [kernel] hub 1-1:1.0: 4 ports detected
>>> Oct 23 17:13:55 [kernel] sysfs: duplicate filename 'bInterfaceNumber'
>>> can not be created
>>> Oct 23 17:13:55 [kernel] WARNING: at fs/sysfs/dir.c:424 sysfs_add_one()
>>> Oct 23 17:13:55 [kernel]  [<c01a37f0>] sysfs_add_one+0x54/0xb8
>>> Oct 23 17:13:55 [kernel]  [<c01a332a>] sysfs_add_file+0x42/0x6a
>>> Oct 23 17:13:55 [kernel]  [<c01a4a01>] sysfs_create_group+0x84/0xe7
>>> Oct 23 17:13:55 [kernel]  [<c023e5ec>] device_add+0x44a/0x454
>>> Oct 23 17:13:55 [kernel]  [<f88e774c>]
>>> usb_create_sysfs_intf_files+0x24/0x98 [usbcore]
>>> Oct 23 17:13:55 [kernel]  [<f88e4181>] usb_set_configuration+0x48f/0x4a9
>>> [usbcore]
>>> Oct 23 17:13:55 [kernel]  [<f88eabf3>] generic_probe+0x50/0x91 [usbcore]
>>> Oct 23 17:13:55 [kernel]  [<f88e5817>] usb_probe_device+0x32/0x37 [usbcore]
>>> Oct 23 17:13:55 [kernel]  [<c023fc11>] driver_probe_device+0xc5/0x148
>>> Oct 23 17:13:55 [kernel]  [<c02d94bd>] klist_next+0x4b/0x6b
>>> Oct 23 17:13:55 [kernel]  [<c023f14a>] bus_for_each_drv+0x35/0x5c
>>> Oct 23 17:13:55 [kernel]  [<c023fd17>] device_attach+0x63/0x77
>>> Oct 23 17:13:55 [kernel]  [<c023fc94>] __device_attach+0x0/0x5
>>> Oct 23 17:13:55 [kernel]  [<c023f0c6>] bus_attach_device+0x26/0x75
>>> Oct 23 17:13:55 [kernel]  [<c023e43d>] device_add+0x29b/0x454
>>> Oct 23 17:13:55 [kernel]  [<f88dfc2e>] usb_new_device+0x4d/0x8a [usbcore]
>>> Oct 23 17:13:55 [kernel]  [<f88e1149>] hub_thread+0x6f5/0xae2 [usbcore]
>>> Oct 23 17:13:55 [kernel]  [<c02d9e72>] schedule+0x4b4/0x519
>>> Oct 23 17:13:55 [kernel]  [<c013a1e1>] autoremove_wake_function+0x0/0x33
>>> Oct 23 17:13:55 [kernel]  [<f88e0a54>] hub_thread+0x0/0xae2 [usbcore]
>>> Oct 23 17:13:55 [kernel]  [<c013a119>] kthread+0x38/0x5f
>>> Oct 23 17:13:55 [kernel]  [<c013a0e1>] kthread+0x0/0x5f
>>> Oct 23 17:13:55 [kernel]  [<c0107bb7>] kernel_thread_helper+0x7/0x10
>>> Oct 23 17:13:55 [kernel]  =======================
>>>
>>>
>>>
>>>   
>> Sorry. This happens with 0895e91d60ef9bdef426d1ce14bb94bd5875870d...

Hi,

Similar sysfs_add_one() was reported at http://lkml.org/lkml/2007/10/16/25 and
a patch is pointed in the discussion there, this might help you.

cc'ing greg kroah-hartman.

-- 
Thanks & Regards,
Kamalesh Babulal,
Linux Technology Center,
IBM, ISTL.
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