Date: Tue, 15 Oct 1996 16:31:59 +1000 From: Bruce Evans <bde@zeta.org.au> To: devet@adv.IAEhv.nl, freebsd-hackers@FreeBSD.org Subject: Re: Direct UUCP stopped working but UUCP via PPP still works Message-ID: <199610150631.QAA30156@godzilla.zeta.org.au>
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>I recently bought a new PC and upgraded from 2.1.0 to 2.1.5 at the same >time. Everything kept working fine except for UUCP transfers directly over >the modem: I get an enormous amount of checksum errors. >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. Bruce
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