On Fri, 2011-03-11 at 19:49 +0000, Martin Gregorie wrote: <snip > > Does the dmesg display show what device name was assigned to the HPP-22 > somewhere in the next few lines? That's normally logged after a USB > device is plugged and recognised. It may be easier to spot if you run > the command "sudo tail -f /var/log/messages" before you plug the device > in - this should let you see all the HPP-22 related messages as that are > logged. Use Ctrl-C to exit from tail when you're done with it. Thanks for replying. That is the entire log for the plug in event. Here is another one. Mar 11 12:55:23 localhost kernel: [266593.000118] usb 6-1: USB disconnect, address 5 Mar 11 12:55:30 localhost kernel: [266600.233160] usb 6-1: new full speed USB device using uhci_hcd and address 6 Mar 11 12:55:30 localhost kernel: [266600.404493] usb 6-1: New USB device found, idVendor=1e1a, idProduct=001f Mar 11 12:55:30 localhost kernel: [266600.404505] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 Mar 11 12:55:30 localhost kernel: [266600.404512] usb 6-1: Product: HPP-22 Mar 11 12:55:30 localhost kernel: [266600.404517] usb 6-1: Manufacturer: HITECRCD Inc Mar 11 12:55:30 localhost kernel: [266600.404522] usb 6-1: SerialNumber: HPP-22-00000 Mar 11 12:55:30 localhost kernel: [266600.420620] generic-usb 0003:1E1A:001F.0008: hiddev97,hidraw2: USB HID v0.01 Device [HITECRCD Inc HPP-22] on usb-0000:00:1d.1-1/input0 There is nothing more.