On Sun, Jun 12, 2016 at 11:03:45PM +0200, Ladislav Michl wrote: > Once ttyACM0 starts behave strangely, read() returns only what's in buffer before > ttyACM0 was opened and then hangs infinitely. As this bug is hard to trigger, has > anyone clue where to start debugging? Forgot to mention, once this happens "usb 3-1.4: clear tt 1 (9061) error -75" starts showing in the syslog. Also "cdc_acm 3-1.4.3:1.0: failed to set dtr/rts", but this one is there normally. ladis -- 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
