Date: Thu, 2 Oct 1997 14:24:20 +0930 From: Greg Lehey <grog@lemis.com> To: "Jonathan E. Lyons" <parrothd@midwest.net> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: tty-level buffer overflows Message-ID: <19971002142420.49578@lemis.com> In-Reply-To: <3.0.3.32.19971001225109.006e88f0@midwest.net>; from Jonathan E. Lyons on Wed, Oct 01, 1997 at 10:51:09PM -0500 References: <3.0.3.32.19971001225109.006e88f0@midwest.net>
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On Wed, Oct 01, 1997 at 10:51:09PM -0500, Jonathan E. Lyons wrote: > Is this anything to be concerned about? I've got an X2 modem, with the port > speed set at 57600..... > > > Sep 28 16:42:11 cplkagan /kernel: sio0: 660 more tty-level buffer overflows > (total 660) > Sep 29 13:52:41 cplkagan /kernel: pid 18534 (ping), uid 0: exited on signal 3 > Sep 30 21:05:02 cplkagan /kernel: sio0: 100 more tty-level buffer overflows > (total 760) > Sep 30 22:00:02 cplkagan /kernel: sio0: 198 more tty-level buffer overflows > (total 958) > Sep 30 22:05:01 cplkagan /kernel: sio0: 199 more tty-level buffer overflows > (total 1157) > Sep 30 22:05:02 cplkagan /kernel: sio0: 1076 more tty-level buffer > overflows (total 2233) > Oct 1 05:30:02 cplkagan /kernel: sio0: 940 more tty-level buffer overflows > (total 3173) Yes. With PPP, each of these means a lost packet, which is expensive. This shouldn't happen. Is the machine slow or heavily loaded? Otherwise you might be losing interrupts. Greghome | help
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