Am Mittwoch, 30. Mai 2012, 19:58:52 schrieb Ashok Rao: > 7. I am speculating that the barrage of packets to the IN endpoint > caused the Satphone to freeze somehow and not accept the packets on > the right OUT endpoint. I have read your earlier response and will > try lsusb in this state and see if it responds. This can be tested. In cdc-acm.h please reduce the number of buffers #define ACM_NW 16 #define ACM_NR 16 You can go down to 2 (1 might not work) 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