Re: "irq 42: nobody cared" and I/O errors on serial ports

[Alan Cox]

> what would be a proper fix here - should
> serial_core.c:uart_unthrottle() be modified not to attempt sending a
> character on the disabled tty?

n_tty should not be calling the in the buffer flush handling when it is
closed. Known bug. It needs to reset the flags but shouldn't be
restarting I/O from that path.



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