Date: Fri, 31 Oct 1997 17:07:22 +1030 From: Mike Smith <mike@smith.net.au> To: Steve Milliner <steve@icis.qut.edu.au> Cc: freebsd-isp@FreeBSD.ORG, freebsd-hackers@FreeBSD.ORG Subject: Re: modem transmision problems?? Message-ID: <199710310637.RAA00529@word.smith.net.au> In-Reply-To: Your message of "Fri, 31 Oct 1997 12:47:47 %2B1000." <199710310247.MAA11633@russell.icis.qut.edu.au>
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> RECAP: modem overflow problem > > /kernel: sio3: 78 more tty-level buffer overflows > > occurs: during mail delivery. > > tried: decreasing build up of mail on queue to stop flooding modem > > > > Are you using user-mode ppp? If so, it sounds like the machine is > > heavily loaded and the ppp process is being starved of CPU for extended > > periods of time. > > > > Yep using user ppp. Ok. > AS for load - not really (98% idle) - not heavy enough to cause > starvation in any case - which kind of suggests its a sending > rather than receiving problem I guess?? No. Read the manpage entry I posted *again*. It refers to data *arriving* and not being dealt with. > Does anyone know if there are problems with how hang-ups > on the client side are handled by FBSD - ie. the mail starts to get pushed > on to the device, part way through the connection goes down, but data > is still pushed on to the modem which now (obviously) > can't get rid of it ?? but I find it hard to believe that this case would > not be handeled (ie. sync sending of data to modem) ???? I don't understand what you are saying; do you mean that these messages are only ever seen when the line drops? mike
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