Date: Tue, 15 Oct 1996 00:34:17 +0200 (MET DST) From: devet@adv.IAEhv.nl (Arjan de Vet) To: freebsd-hackers@freebsd.org Subject: Direct UUCP stopped working but UUCP via PPP still works Message-ID: <199610142234.AAA00530@adv.IAEhv.nl>
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Hi, 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. However, PPP (iij-ppp) over the same modem works and UUCP over TCP/IP via that PPP link gives *no* checksum problems. The only strange thing is that in this case the ppp program starts consuming around 100% CPU time (according to top) whereas a full speed ftp session over the same link only gives ppp a CPU usage of 2%. I already tried the following: - Replace the 2.1.5 uucico binary with the 2.1.0 one, no difference; - Reboot with a 2.1.0 kernel, no difference; - Lower the speed between the PC and the modem to 19k2 (normally I use 57k6). But then I get: Oct 6 21:58:08 adv /kernel: sio0: 609 more tty-level buffer overflows (total 609) Oct 6 21:58:09 adv /kernel: sio0: 466 more tty-level buffer overflows (total 1075) Oct 6 21:58:11 adv /kernel: sio0: 14 more tty-level buffer overflows (total 1089) - Use an other protocol than the default i-protocol, no difference. The other side did not change anything, and my configuration files are exactly the same as they were on the 2.1.0 system. 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? Arjan
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