Date: Wed, 7 May 1997 08:43:59 -0500 (CDT) From: Bruce Albrecht <bruce@zuhause.mn.org> To: Michael Smith <msmith@atrad.adelaide.edu.au> Cc: freebsd-current@FreeBSD.ORG Subject: Re: Excessive tty-level buffer overflows Message-ID: <199705071343.IAA00221@zuhause.mn.org> In-Reply-To: <199705070503.OAA18220@genesis.atrad.adelaide.edu.au> References: <199705070407.XAA14409@zuhause.mn.org> <199705070503.OAA18220@genesis.atrad.adelaide.edu.au>
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Michael Smith writes: > Bruce Albrecht stands accused of saying: > > In a five minute period while running uucp via an external sportster > > 33K modem at 57.6 KB on /dev/cuaa1, I received over 123,000 tty-level > > buffer overflows. This is a dual CPU Pentium Pro Tyan ATX 1668, > > running in single CPU mode. What does this mean? Is it a shoddy > > 16550 emulation? My kernel is from Saturday, or thereabouts. > > Please read the sio(4) manpage, which explains what a tty-level > overflow is. > > I don't think it's the serial hardware, but you may have other > problems. True. But even though I was running a make world at the time, I don't think a Pentium Pro should not have been able to handle UUCP traffic at 57.6K.
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