> > Please try this additional patch. > > Regards > Oliver While init : 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 cdc_acm 1-1.3.2:1.1: skipping garbage cdc_acm 1-1.3.2:1.1: No union descriptor, giving up Then, when I launch any program opening the /dev/ttyACM0 interface, it goes very very very slowly ... I suppose there's still something to change. Thanks a lot for your help 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
