Return to BSD News archive
Xref: sserve comp.os.386bsd.questions:5423 comp.os.386bsd.development:1260 Newsgroups: comp.os.386bsd.questions,comp.os.386bsd.development Path: sserve!newshost.anu.edu.au!munnari.oz.au!news.Hawaii.Edu!ames!cnn.nas.nasa.gov!wilbur.nas.nasa.gov!tweten From: tweten@wilbur.nas.nasa.gov (Dave Tweten) Subject: Re: Regarding Cables on com [NetBSD-0.9] Message-ID: <CE11HK.891@nas.nasa.gov> Sender: news@nas.nasa.gov (News Administrator) Nntp-Posting-Host: wilbur.nas.nasa.gov Organization: NAS Systems Division, NASA Ames References: <283pb6$ier@sylvester.cc.utexas.edu> Date: Mon, 27 Sep 1993 19:15:20 GMT Lines: 29 In article <283pb6$ier@sylvester.cc.utexas.edu> vax@sylvester.cc.utexas.edu (Vax) writes: >Symptoms: Under both NetBSD-0.9 and all pk levels of 386BSD-0.1, >if data was sent "out" through FTP, (e.g. "put" when invoked locally, >"get" when FTP invoked from foreign machine) then RD and SD lights >blink like crazy, SD almost constant, RD only occasionally. >Three seconds later, CTS goes out. RD and SD lights continue to blink >like crazy. Six seconds later, CD EC and OH go out. Over the past weekend, I was fighting a problem which looked exactly the same. I had turned on RTS/CTS flow control in Kermit as part of my SLIP dialing script. As with your experience, it didn't seem to "take". Both the sio.c and com.c tty drivers in 386bsd pk 0.2.4 have glaring holes. For example, their mechanisms for setting and reading modem control lines through ioctl are supported only in the include files; the driver features don't work. If you're using sio.c though, the one you care about is the one documented in the comments to the effect that RTS/CTS flow control really should work with all line disciplins, including SLIP. I suspect the same comment appears in com.c. For the time being, I set RTS/CTS flow control with stty and I'm continuing my experiments. The thrust of this message is, "Don't worry about your hardware; its a driver problem." -- --------------------------------------------------------------------------- Dave Tweten tweten@nas.nasa.gov NASA Ames Research Center, M/S 258-5 (415) 604-4416 Moffett Field, CA 94035-1000 FAX: (415) 604-4377