On Fri, Dec 26, 2008 at 09:35:09PM +0200, Hai Zaar wrote: > Good day! I have Advice Partner PR650 UPS, that connects to PC using USB. > However, /dev/ttyUSB0 is not created. I've tried both on Debian Lenny > and Ubuntu Hardy. Here is what dmesg and udevmonitor say (on Debian): > > dmesg: > usb 2-3: new low speed USB device using ohci_hcd and address 10 > usb 2-3: configuration #1 chosen from 1 choice > hiddev96hidraw0: USB HID v1.00 Device [POWERCOM CO., LTD. USB to > Serial] on usb-0000:00:0b.0-3 > usb 2-3: New USB device found, idVendor=0d9f, idProduct=0002 > usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=0 > usb 2-3: Product: USB to Serial > usb 2-3: Manufacturer: POWERCOM CO., LTD. > usbcore: registered new interface driver usbserial > usbserial: USB Serial support registered for generic > usbcore: registered new interface driver usbserial_generic > usbserial: USB Serial Driver core > usbserial: USB Serial support registered for DeLorme Earthmate USB > usbserial: USB Serial support registered for HID->COM RS232 Adapter > usbserial: USB Serial support registered for Nokia CA-42 V2 Adapter > usbcore: registered new interface driver cypress > cypress_m8: Cypress USB to Serial Driver v1.09 This is the driver that should bind to this device, but for some reason it isn't. Is it also a HID device? Can you provide the output of /proc/bus/usb/devices with the device plugged in? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-hotplug" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html