On Tue, Oct 5, 2010 at 11:34 PM, Barry <[email protected]> wrote: > Nick Rout wrote: >> On Tue, Oct 5, 2010 at 3:24 PM, Ross Drummond <[email protected]> wrote: >>> On Tuesday 05 October 2010, Nick Rout wrote: >>>> How do you tell which is connected to where? >>> lsusb -t >>> >>> >From the man page; >>> >>> -t Tells lsusb to dump the physical USB device hierarchy as a tree. >>> >>> Cheers Ross Drummond >> >> n...@revo:~$ lsusb -t >> /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ohci_hcd/12p, 12M >> |__ Port 1: Dev 4, If 0, Class='bInterfaceClass 0x0e not yet >> handled', Driver=uvcvideo, 12M >> |__ Port 1: Dev 4, If 1, Class='bInterfaceClass 0x0e not yet >> handled', Driver=uvcvideo, 12M >> |__ Port 1: Dev 4, If 2, Class=audio, Driver=snd-usb-audio, 12M >> |__ Port 1: Dev 4, If 3, Class=audio, Driver=snd-usb-audio, 12M >> |__ Port 2: Dev 2, If 0, Class=HID, Driver=usbhid, 1.5M >> |__ Port 2: Dev 2, If 1, Class=HID, Driver=usbhid, 1.5M >> |__ Port 3: Dev 3, If 0, Class='bInterfaceClass 0xe0 not yet >> handled', Driver=btusb, 12M >> |__ Port 3: Dev 3, If 1, Class='bInterfaceClass 0xe0 not yet >> handled', Driver=btusb, 12M >> /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci_hcd/12p, 480M >> >> Looks like it's connected to the 1.1 interface. Still begs the >> question of how to identify the 2.0 interface. >>> _______________________________________________ >>> Linux-users mailing list >>> [email protected] >>> http://lists.canterbury.ac.nz/mailman/listinfo/linux-users >>> >> >> _______________________________________________ >> Linux-users mailing list >> [email protected] >> http://lists.canterbury.ac.nz/mailman/listinfo/linux-users >> > > lsusb -v | less will give screeds of info. Look for the lines eg > Bus 001 Device 001:. > > 4 lines below this will give the info > bcdUSB 1.10 (or 2.00) > and further down maybe the item connected to that port.
yeah I got it sorted now. The camera works correctly in a usb 2.0 slot. Why do manufacturers include usb 1.1 slots at all these days? I thought 2.0 was backwards compatible. lsusb -t is very helpful. _______________________________________________ Linux-users mailing list [email protected] http://lists.canterbury.ac.nz/mailman/listinfo/linux-users
