Re: usb

From: Greg KH <gregkh@suse.de>
To: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: usb
Date: Mon, 15 Oct 2007 22:26:54 -0700	[thread overview]
Message-ID: <20071016052654.GA8730@suse.de> (raw)
In-Reply-To: <86802c440710151037y75e6e8eex3e17da8763d68643@mail.gmail.com>

On Mon, Oct 15, 2007 at 10:37:04AM -0700, Yinghai Lu wrote:
> Greg,
> 
> from linus's git this morning..
> 
> ACPI: PCI Interrupt 0000:00:02.1[B] -> Link [LUB2] -> GSI 21 (level,
> low) -> IRQ 21
> ehci_hcd 0000:00:02.1: EHCI Host Controller
> ehci_hcd 0000:00:02.1: new USB bus registered, assigned bus number 1
> ehci_hcd 0000:00:02.1: debug port 1
> ehci_hcd 0000:00:02.1: irq 21, io mem 0xdefbec00
> ehci_hcd 0000:00:02.1: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004
> usb usb1: configuration #1 chosen from 1 choice
> hub 1-0:1.0: USB hub found
> hub 1-0:1.0: 10 ports detected
> ACPI: PCI Interrupt 0000:00:02.0[A] -> Link [LUB0] -> GSI 22 (level,
> low) -> IRQ 22
> ohci_hcd 0000:00:02.0: OHCI Host Controller
> ohci_hcd 0000:00:02.0: new USB bus registered, assigned bus number 2
> ohci_hcd 0000:00:02.0: irq 22, io mem 0xdefbf000
> usb 1-1: new high speed USB device using ehci_hcd and address 2
> usb usb2: configuration #1 chosen from 1 choice
> hub 2-0:1.0: USB hub found
> hub 2-0:1.0: 10 ports detected
> USB Universal Host Controller Interface driver v3.0
> Initializing USB Mass Storage driver...
> usb 1-1: configuration #1 chosen from 1 choice
> usb 1-6: new high speed USB device using ehci_hcd and address 5
> usb 1-6: configuration #1 chosen from 1 choice
> hub 1-6:1.0: USB hub found
> hub 1-6:1.0: 4 ports detected
> sysfs: duplicate filename 'bInterfaceNumber' can not be created
> WARNING: at fs/sysfs/dir.c:425 sysfs_add_one()
> 
> Call Trace:
>  [<ffffffff802bf326>] sysfs_add_one+0x54/0xbd
>  [<ffffffff802bee22>] sysfs_add_file+0x50/0x81
>  [<ffffffff802c07ec>] sysfs_create_group+0x9a/0xf2
>  [<ffffffff80616cb6>] usb_create_sysfs_intf_files+0x32/0xc7
>  [<ffffffff80613762>] usb_set_configuration+0x49d/0x4c0
>  [<ffffffff8061a672>] generic_probe+0x53/0x95
>  [<ffffffff804a57d3>] driver_probe_device+0xd3/0x150
>  [<ffffffff804a5850>] __device_attach+0x0/0x5
>  [<ffffffff804a4aec>] bus_for_each_drv+0x40/0x71
>  [<ffffffff804a58db>] device_attach+0x63/0x7a
>  [<ffffffff804a4a5e>] bus_attach_device+0x2a/0x78
>  [<ffffffff804a3a20>] device_add+0x308/0x51e
>  [<ffffffff8060ef04>] usb_new_device+0x47/0x80
>  [<ffffffff8060facd>] hub_thread+0x75a/0xb4a
>  [<ffffffff80245787>] autoremove_wake_function+0x0/0x2e
>  [<ffffffff8060f373>] hub_thread+0x0/0xb4a
>  [<ffffffff8024565d>] kthread+0x47/0x76
>  [<ffffffff8020ca58>] child_rip+0xa/0x12
>  [<ffffffff80245616>] kthread+0x0/0x76
>  [<ffffffff8020ca4e>] child_rip+0x0/0x12
> 
> usb 2-3: new full speed USB device using ohci_hcd and address 2
> usb 2-3: configuration #1 chosen from 1 choice
> hub 2-3:1.0: USB hub found
> hub 2-3:1.0: 4 ports detected
> usb 2-5: new low speed USB device using ohci_hcd and address 3
> usb 2-5: configuration #1 chosen from 1 choice
> scsi15 : SCSI emulation for USB Mass Storage devices
> usb 2-3.1: new low speed USB device using ohci_hcd and address 4
> usb 2-3.1: configuration #1 chosen from 1 choice
> usb 2-3.4: new low speed USB device using ohci_hcd and address 5
> usb 2-3.4: configuration #1 chosen from 1 choice

Yes, I can duplicate this here now too.  Will work on this tomorrow to
track down...

thanks,

greg k-h