Am Dienstag 28 April 2009 13:27:19 schrieb Vincent: > > > Sorry, I thought debugging was enabled .. > > > > usb 1-1.3.2: configuration #1 chosen from 1 choice > > cdc_acm 1-1.3.2:1.0: This device cannot do calls on its own. It is no modem. > > cdc_acm 1-1.3.2:1.0: No union descriptor, testing for castrated device > > drivers/usb/class/cdc-acm.c: interfaces are valid > > cdc_acm 1-1.3.2:1.0: ttyACM0: USB ACM device > > drivers/usb/class/cdc-acm.c: acm_control_msg: rq: 0x22 val: 0x0 len: > > 0x0 result: 0 > > drivers/usb/class/cdc-acm.c: acm_control_msg: rq: 0x20 val: 0x0 len: > > 0x7 result: 7 > > -- > > To unsubscribe from this list: send the line "unsubscribe linux-usb" in > > the body of a message to majordomo@... > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > > > And after opening the interface /dev/ttyACM0 : That is an error. Please disregard my earlier mail. I hadn't read this mail. > drivers/usb/class/cdc-acm.c: Entering acm_tty_open. > drivers/usb/class/cdc-acm.c: acm_control_msg: rq: 0x22 val: 0x3 len: 0x0 result: > -32 It fails USB_CDC_REQ_SET_CONTROL_LINE_STATE Does your device support this control request? > drivers/usb/class/cdc-acm.c: acm_ctrl_irq - urb shutting down with status: -2 Expected consequence of an aborted opening. Regards Oliver -- 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