Date: Mon, 29 Jun 2009 12:14:50 -0500 (CDT) From: Lars Eighner <stableuser@larseighner.com> To: Kevin Oberman <oberman@es.net> Cc: freebsd-stable@freebsd.org Subject: Re: Why is sio.c still broken? Message-ID: <20090629120930.C99382@qroenaqrq.6qbyyneqvnyhc.pbz> In-Reply-To: <20090629170230.DA7241CC2E@ptavv.es.net> References: <20090629170230.DA7241CC2E@ptavv.es.net>
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On Mon, 29 Jun 2009, Kevin Oberman wrote: >> Date: Mon, 29 Jun 2009 06:12:43 -0500 (CDT) >> From: Lars Eighner <stableuser@larseighner.com> >> Sender: owner-freebsd-stable@freebsd.org >> >> I was about to trash a modem because the HDLC and buffer overflows were >> grinding it to halt --- or just about. I switch slots, changed the modem >> out with and old 28.8, and so forth. >> >> >> Eventually I discovered some really old stuff about sio.c which >> suggested this: >> >> cp4ticks = speed / 10 / hz * 4; >> >> be changed to this. >> >> cp4ticks = speed / 10 / hz * 40; >> >> and everything worked like a charm >> >> So I am wondering why this hasn't been changed since it seems to be >> necessary for proper operation of just about the only non-winmodem >> available. > > Probably because sio is about to be dropped and no one has given it much > attention of late. > > It's probably best to convert to use of uart which is the new serial > port driver and will be the only one in V8 which is in code freeze and > should be out in two or three months. > > Let the "I coulda had a V8" puns and bad jokes begin! > Any idea where there is info on how to do this? Nothing in man uart is helpful to me, and if it is the handbook, I can't find it. I found a few things about modems and ttys, but I want it for ppp. Since it seems to work now, perhaps I better stop upgrading. After all, umass upgrades may my camera useless (except as a way to panic the system. Some upgrade or another made the scanner and card-reading functions on my printer useless. I can't afford to up to the point that my modem doesn't work.
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