Date: Mon, 5 Dec 2005 15:27:56 -0500 From: John Baldwin <jhb@freebsd.org> To: Aaron Glenn <aaron.glenn@gmail.com> Cc: freebsd-sparc64@freebsd.org Subject: Re: serial ports on the Ultra 5 Message-ID: <200512051527.56872.jhb@freebsd.org> In-Reply-To: <18f601940512051128i142fd714g22004d8452cff29a@mail.gmail.com> References: <18f601940512051025g71b9fc29y4ae37eb3ce2629df@mail.gmail.com> <200512051354.06372.jhb@freebsd.org> <18f601940512051128i142fd714g22004d8452cff29a@mail.gmail.com>
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On Monday 05 December 2005 02:28 pm, Aaron Glenn wrote: > On 12/5/05, John Baldwin <jhb@freebsd.org> wrote: > > You don't use sab(4) anymore, but uart(4). > > I had a suspicion that was the case, but couldn't confirm it. > > > Here are your SAB ports. /dev/ttyu0 and /dev/ttyu1 > > Then something more sinister is at work here. A 'cu -l /dev/ttyu0' > will "connect" me, however I get no prompt, and not input or output > seems to be passed to the console port. All input gets dumped to the > shell I executed the cu command from, *after* I kill the first (lowest > pid) cu process. > > Example: > yang# ps -ax | grep ttyu > 687 ?? I 0:00.01 /usr/libexec/getty std.9600 ttyu1 > 688 u0 Is+ 0:00.01 /usr/libexec/getty std.9600 ttyu0 > 741 p0 R+ 0:00.01 grep ttyu > yang# cu -l /dev/ttyu1 -s 9600 > Connected > *hit enter a few times, type hello john, then kill the first cu > process from another shell* > yang# > yang# > yang# > yang# > yang# > yang# > yang# hello john > hello: Command not found. > yang# > > Reading the handbook section on serial communications again, I don't > see anything wrong. I'll be the first to admit this type of stuff is > uncharted territory for me. If I skipped some required reading on the > subject, please don't hesitate to point me to it. Try using /dev/cuau0 instead. /dev/ttyu0 will wait for CD (carrier detect) before it opens. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
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