Re: lsusb -t doesn't always work with 2.6.35

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On Thu, Aug 12, 2010 at 08:55:20PM +0600, Andrey Rahmatullin wrote:
> On Thu, Aug 12, 2010 at 07:23:48AM -0700, Greg KH wrote:
> > Do you have any usb 3.0 devices in your system?
> No.
> 
> > What is the difference when it works properly in the output vs the
> > incorrect one?  What type of devices are missing?
> Ah, OK.
> 
> I don't want to reboot yet, so I'll show the output with and without -t:
> 
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 001 Device 002: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
> Bus 001 Device 003: ID 1058:1021 Western Digital Technologies, Inc. 
> Bus 001 Device 004: ID 09da:000a A4 Tech Co., Ltd Port Mouse
> Bus 001 Device 007: ID 0566:3002 Monterey International Corp. 
> Bus 001 Device 009: ID 062a:0201 Creative Labs Defender Office Keyboard (K7310) S Zodiak KM-9010
> Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> Bus 002 Device 002: ID 22b8:4902 Motorola PCS Triplet GSM Phone (AT)
> Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> 
> 
> /:  Bus 05.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
> /:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
> /:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
> /:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
>     |__ Port 1: Dev 2, If 0, Class=comm., Driver=cdc_acm, 12M
>     |__ Port 1: Dev 2, If 1, Class=data, Driver=cdc_acm, 12M
> /:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci_hcd/8p, 480M
>     |__ Port 4: Dev 3, If 0, Class=stor., Driver=usb-storage, 480M
> 
> Ah, got it. Invisible devices are connected via a hub (05e3:0608).
> 
> > And does the following python script always work properly?
> usb1            1d6b:0002 09  2.00 480MBit/s   0mA 1IFs (ehci_hcd 0000:00:10.4) hub
>  1-3            05e3:0608 09  2.00 480MBit/s 100mA 1IFs (Genesys Logic, Inc. USB-2.0 4-Port HUB) hub
>   1-3.3         09da:000a 00  1.10 1.5MBit/s 100mA 1IFs (A4Tech PS/2+USB Mouse)
>   1-3.4         0566:3002 00  1.10 1.5MBit/s 100mA 2IFs (Monterey International Corp.)
>   1-3.2         062a:0201 00  1.10 1.5MBit/s 100mA 2IFs (Creative Labs Defender Office Keyboard (K7310) S Zodiak KM-9010)
>  1-4            1058:1021 00  2.00 480MBit/s   2mA 1IFs (Western Digital Ext HDD 1021 574341565932363437313333)
> usb2            1d6b:0001 09  1.10  12MBit/s   0mA 1IFs (uhci_hcd 0000:00:10.0) hub
>  2-1            22b8:4902 02  1.10  12MBit/s 500mA 2IFs (Motorola Inc. Motorola Phone (L7e) 35328101177940)
> usb3            1d6b:0001 09  1.10  12MBit/s   0mA 1IFs (uhci_hcd 0000:00:10.1) hub
> usb4            1d6b:0001 09  1.10  12MBit/s   0mA 1IFs (uhci_hcd 0000:00:10.2) hub
> usb5            1d6b:0001 09  1.10  12MBit/s   0mA 1IFs (uhci_hcd 0000:00:10.3) hub
> 
> So yes, it works properly.

Very wierd stuff.

Can you try out the lsusb 0.90 release that I just made and pushed out
to kernel.org?

thanks,

greg k-h
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