Date: Thu, 20 May 2004 03:51:08 +1000 (EST) From: Ian Smith <smithi@nimnet.asn.au> To: Bernd Walter <ticso@cicely12.cicely.de> Cc: net@freebsd.org Subject: Re: cuaa0&ttyd0's bug? Message-ID: <Pine.BSF.3.96.1040520033126.20131C-100000@gaia.nimnet.asn.au> In-Reply-To: <20040519170105.GZ70900@cicely12.cicely.de>
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On Wed, 19 May 2004, Bernd Walter wrote: > On Tue, May 18, 2004 at 09:05:52PM +0800, wsk wrote: > > hi,folks: > > It seems that the ttyd0 isn't the dialin line to login , and > > the cuaa0 like is both the dialin/out device!under 4.9 above > > and 5.X .but the ttyd0 work well under 4.8. > > here is my test: > > I wanna direct connected two bsd box via a null-modem cable,on Define the wiring of null-modem cable? DTR (tied to DSR) asserts CD the other end, either way? RTS asserts CTS the other end, either way? > > a box ,I congfiured the ttys as follow: > > # The 'dialup' keyword identifies dialin lines to login, fingerd etc. > > ttyd0 "/usr/libexec/getty std.9600" dialup on secure > > ttyd1 "/usr/libexec/getty std.9600" dialup off secure > > and kill -HUP 1 > > on the other box , I use cu connenct the box: > > cu -l /dev/cuaa0 > > connected > > and then , nothing more i could recv! What's in /etc/rc.serial for these ports, either end? Using crtscts? > > but if I confirgure the ttys as below: > > # The 'dialup' keyword identifies dialin lines to login, fingerd etc. > > cuaa0 "/usr/libexec/getty std.9600" dialup on secure > > ttyd1 "/usr/libexec/getty std.9600" dialup off secure > > and do it like before i do , it worked! > > why???? It's a bug??? > > The behavour is intentional. > Your cable doesn't supply DCD signal. Or it does, but RTS/CTS aren't wired right? (if used .. so many options!) > Either use a cable with DCD suport or stay with cuaa. > It's OK to use cuaa if you don't need dialout support. Still depends on how cuaa0 and ttyd1 are defined, no? Cheers, Ian
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