On 10/14/07, Borislav Petkov <[email protected]> wrote:
> Hi,
>
> i get the following warning on yesterday's git tree (v2.6.23-2840-g752097c):
>
> Oct 14 09:07:15 zmei kernel: [ 49.368030] sysfs: duplicate filename 'bInterfaceNumber' can not be created
> Oct 14 09:07:15 zmei kernel: [ 49.368086] WARNING: at fs/sysfs/dir.c:425 sysfs_add_one()
> Oct 14 09:07:15 zmei kernel: [ 49.368134] [<c010527c>] show_trace_log_lvl+0x1a/0x2f
> Oct 14 09:07:15 zmei kernel: [ 49.368220] [<c0105da0>] show_trace+0x12/0x14
> Oct 14 09:07:15 zmei kernel: [ 49.368300] [<c0105db8>] dump_stack+0x16/0x18
> Oct 14 09:07:15 zmei kernel: [ 49.368379] [<c019f2ee>] sysfs_add_one+0x57/0xbc
> Oct 14 09:07:15 zmei kernel: [ 49.368461] [<c019edeb>] sysfs_add_file+0x49/0x71
> Oct 14 09:07:15 zmei kernel: [ 49.368541] [<c01a05c2>] sysfs_create_group+0x86/0xe8
> Oct 14 09:07:15 zmei kernel: [ 49.368621] [<c024f5da>] usb_create_sysfs_intf_files+0x27/0x9b
> Oct 14 09:07:15 zmei kernel: [ 49.368704] [<c024c28b>] usb_set_configuration+0x454/0x466
> Oct 14 09:07:15 zmei kernel: [ 49.368787] [<c0252b97>] generic_probe+0x53/0x94
> Oct 14 09:07:15 zmei kernel: [ 49.368867] [<c024d4f7>] usb_probe_device+0x35/0x3b
> Oct 14 09:07:15 zmei kernel: [ 49.368947] [<c022a46c>] driver_probe_device+0xcb/0x14f
> Oct 14 09:07:15 zmei kernel: [ 49.369039] [<c022a4f8>] __device_attach+0x8/0xa
> Oct 14 09:07:15 zmei kernel: [ 49.369119] [<c02298d5>] bus_for_each_drv+0x3b/0x63
> Oct 14 09:07:15 zmei kernel: [ 49.369199] [<c022a589>] device_attach+0x70/0x85
> Oct 14 09:07:15 zmei kernel: [ 49.369279] [<c022984c>] bus_attach_device+0x29/0x77
> Oct 14 09:07:15 zmei kernel: [ 49.369359] [<c0228abc>] device_add+0x28c/0x445
> Oct 14 09:07:15 zmei kernel: [ 49.369439] [<c0247c7a>] usb_new_device+0x44/0x82
> Oct 14 09:07:15 zmei kernel: [ 49.369519] [<c02486ec>] hub_thread+0x666/0x9c2
> Oct 14 09:07:15 zmei kernel: [ 49.369598] [<c01370e9>] kthread+0x3b/0x62
> Oct 14 09:07:15 zmei kernel: [ 49.369679] [<c0104eaf>] kernel_thread_helper+0x7/0x10
> Oct 14 09:07:15 zmei kernel: [ 49.369759] =======================
>
> The usb hub in question is named 4-1:1.0 and it has an extension connected to it
> which is used to activate the 2 usb connectors at the side of the pc's monitor.
> Correct me if i'm wrong but from what i've understood so far from reading the code,
> i think, it adds the bInterfaceNumber-file after calling usb_create_sysfs_intf_files(intf).
> However, the currently active usbhost interface alternate setting is the only one active
> so the bInterfaceNumber exists already and therefore the warning, but this is
> just a guess since i'm not that fluent in the usb internals.
Hi,
I have encountered the same problem which was reported in
http://lkml.org/lkml/2007/9/29/45
For the first one "usbcore duplicated sysfs filename" , I have submit
a patch to fix it.
For the "bInterfaceNumber" one, I have no idea, the same problem still
exist in the latest 23-mm1 tree.
>
> .config attached.
>
> --
> Regards/Gruß,
> Boris.
>
>
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