On Tue, Jan 08, 2013 at 11:07:22PM +0800, hockseng leow wrote: > Hello, > > Please add the modem to a proper driver. > > Attached is the dmesg. What type of device is this? And where did you get the instructions that told you to add it to the generic USB Serial driver? > [51536.010224] usb 2-1.4: new full-speed USB device number 10 using uhci_hcd > [51536.224219] usb 2-1.4: New USB device found, idVendor=2357, idProduct=f006 > [51536.224233] usb 2-1.4: New USB device strings: Mfr=3, Product=2, SerialNumber=0 > [51536.224243] usb 2-1.4: Product: TP-LINK HSUPA Modem > [51536.224252] usb 2-1.4: Manufacturer: TP-LINK, Incorporated > [51536.282204] hid-generic 0003:2357:F006.0006: hiddev0,hidraw2: USB HID v1.10 Device [TP-LINK, Incorporated TP-LINK HSUPA Modem] on usb-0000:00:1d.0-1.4/input0 Is this the same device? > [51537.811244] usb 2-1.4: USB disconnect, device number 10 > [51541.185312] usb 2-1.4: new full-speed USB device number 11 using uhci_hcd > [51541.274295] usb 2-1.4: not running at top speed; connect to a high speed hub > [51541.301304] usb 2-1.4: New USB device found, idVendor=2357, idProduct=0200 > [51541.301319] usb 2-1.4: New USB device strings: Mfr=3, Product=2, SerialNumber=4 > [51541.301329] usb 2-1.4: Product: TP-LINK HSUPA Modem > [51541.301338] usb 2-1.4: Manufacturer: TP-LINK, Incorporated > [51541.301346] usb 2-1.4: SerialNumber: 863077010232324 > [51541.309529] usbserial_generic 2-1.4:1.0: The "generic" usb-serial driver is only for testing and one-off prototypes. > [51541.309548] usbserial_generic 2-1.4:1.0: Tell linux-usb@xxxxxxxxxxxxxxx to add your device to a proper driver. > [51541.309560] usbserial_generic 2-1.4:1.0: generic converter detected > [51541.310190] usb 2-1.4: generic converter now attached to ttyUSB0 It looks like you unplugged the device and then assigned it to the generic USB serial device instead? What happened to cause it to do this? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html