From owner-freebsd-hackers Tue Oct 15 11:30:42 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id LAA26982 for hackers-outgoing; Tue, 15 Oct 1996 11:30:42 -0700 (PDT) Received: from news.IAEhv.nl (root@news.IAEhv.nl [194.151.64.4]) by freefall.freebsd.org (8.7.5/8.7.3) with SMTP id LAA26964 for ; Tue, 15 Oct 1996 11:30:31 -0700 (PDT) Received: from LOCAL (uucp@localhost) by news.IAEhv.nl (8.6.13/1.63) with IAEhv.nl; pid 20611 on Tue, 15 Oct 1996 20:24:02 +0200; id UAA20611 efrom: devet@adv.IAEhv.nl; eto: UNKNOWN Received: by adv.IAEhv.nl (8.7.5/1.63) id UAA00811; Tue, 15 Oct 1996 20:12:47 +0200 (MET DST) From: devet@adv.IAEhv.nl (Arjan de Vet) Message-Id: <199610151812.UAA00811@adv.IAEhv.nl> Subject: Re: Direct UUCP stopped working but UUCP via PPP still works To: bde@zeta.org.au (Bruce Evans) Date: Tue, 15 Oct 1996 20:12:47 +0200 (MET DST) Cc: freebsd-hackers@freebsd.org In-Reply-To: <199610150631.QAA30156@godzilla.zeta.org.au> from Bruce Evans at "Oct 15, 96 04:31:59 pm" X-Mailer: ELM [version 2.4ME+ PL15 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk Bruce Evans: >>Does anybody recognize these symptoms? Is it a hardware problem? If yes, >>why do I only see it with direct UUCP and not with UUCP over TCP/IP? > >Yes. Yes. Because uucp calls tcsetattr() a lot, and the buggy hardware >loses sync when the speed is set (even to the same value) while data is >arriving. Sync is not regained until data stops arriving. Fixed (mostly) >in -current by not setting the speed if the speed hasn't changed. Exactly, that seems to be the problem. I got a mail from Oleg N Panashchenko who pointed me to the following patch for 2.1 and 2.1.5 systems: ftp://ftp.tav.kiev.ua/pub/unix/FreeBSD/sio_FIFOfix.tgz This patched solved my problem. Thanks to all who replied to my question. Arjan