From owner-freebsd-bugs Fri Dec 22 08:50:46 1995 Return-Path: owner-bugs Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id IAA05996 for bugs-outgoing; Fri, 22 Dec 1995 08:50:46 -0800 (PST) Received: from halloran-eldar.lcs.mit.edu (halloran-eldar.lcs.mit.edu [18.26.0.159]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id IAA05980 for ; Fri, 22 Dec 1995 08:50:42 -0800 (PST) Received: by halloran-eldar.lcs.mit.edu; (5.65/1.1.8.2/19Aug95-0530PM) id AA01167; Fri, 22 Dec 1995 11:49:49 -0500 Date: Fri, 22 Dec 1995 11:49:49 -0500 From: "Garrett A. Wollman" Message-Id: <9512221649.AA01167@halloran-eldar.lcs.mit.edu> To: R Bezuidenhout Cc: bugs@freebsd.org Subject: Possible TCP/UDP routing kernel bug? In-Reply-To: <199512221107.NAA27283@zibbi.mikom.csir.co.za> References: <199512221107.NAA27283@zibbi.mikom.csir.co.za> Sender: owner-bugs@freebsd.org Precedence: bulk < said: > Router2 starts to degrade, almost immediately in such a fashion > that even pressing ENTER on a console (all machines are running in > console mode) does not return a prompt. > I can't even get a load average, but I know it is more or less 1.5 When the experiment is completed, use sysctl(8) to examine net.inet.ip.intr-queue-drops to see how many packets were dropped due to overload. > I have tried using different motherboards (all machines are 486DX2-66 > with 8 meg ram and 16 meg swap). There doesn't seem to be any hardware > defects. You have slow machines and slow network cards. > As far as I know FreeBSD should be able to and have previously > handled the load?? I don't know. I have a machine here which is capable of forwarding 17,000 64-byte packets per second, but it's a 100-MHz Pentium with three DE500s in it. -GAWollman -- Garrett A. Wollman | Shashish is simple, it's discreet, it's brief. ... wollman@lcs.mit.edu | Shashish is the bonding of hearts in spite of distance. Opinions not those of| It is a bond more powerful than absence. We like people MIT, LCS, ANA, or NSA| who like Shashish. - Claude McKenzie + Florent Vollant