> I found out that the hw_stopped flag is set to 1 but not set to 0 again although CTS is set (measuring with the oscilloscope and reading out the modem status register are confirming this / i modified the serial8250_get_mctrl function to print out these values). > > It seems to me that an CTS change (UART_MSR_DCTS) is lost. > Could this cause this behaviour? Possibly you'd need to instrument your kernel as well to prove it. It could also be a race in the kernel drivers somewhere. We certainly had those in old kernels here and there. > Any suggestions for a workaround are appreciated. What kernel are you running ? -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
