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SubjectRe: Problem with serial ports <>
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>    Someone made some sort of mistake in the kernel serial driver, and added a
> comparison against new_serial.xmit_fifo_size in the set_serial_info()
> call. If it's 0, then that call fails. It's not setserial's fault. I'm
> appending a unified diff against the kernel serial driver code.
>
> ...
> I'm told the plug and play code is setting xmit_fifo_size to be zero;
> that's certainly wrong, but I haven't had a chance to try to track down
> why the PNP code is doing that.
>
> - Ted

As further info, the problem was noticed on a non-p&p 486.

--Mike

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