Question on the serial driver in FreeBSD

Chuck Swiger cswiger at
Thu Jun 29 15:06:39 UTC 2006

excalibur at wrote:
> First off, does anyone know why the list isn't taking e-mail from google mail? 
> I've sent this message three times now from my google account and it still
> hasn't gotten through.  So, I'm trying from this account.  Please not that this
> account isn't part of the freebsd-questions list though.  Please respond to
> af300wsm at gmail dot com.

Easy there, friend-- your earlier messages from did go through, but 
nobody replied to them yet.

As far as I know, FreeBSD supports hardware flow control just fine if the 
underlying UART (nominally a 16550) does (which is normally the case). 
Perhaps reading "man termios" about CCTS_OFLOW and CRTS_IFLOW about RTS/CTS 
interactions and disabling IXON/IXOFF would be of interest...


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