From owner-freebsd-net Mon Oct 25 10:52:34 1999 Delivered-To: freebsd-net@freebsd.org Received: from alpo.whistle.com (alpo.whistle.com [207.76.204.38]) by hub.freebsd.org (Postfix) with ESMTP id E92A315194; Mon, 25 Oct 1999 10:52:26 -0700 (PDT) (envelope-from julian@whistle.com) Received: from current1.whiste.com (current1.whistle.com [207.76.205.22]) by alpo.whistle.com (8.9.1a/8.9.1) with ESMTP id KAA10877; Mon, 25 Oct 1999 10:52:24 -0700 (PDT) Date: Mon, 25 Oct 1999 10:52:24 -0700 (PDT) From: Julian Elischer To: "Min Wei (Exchange)" Cc: freebsd-net@FreeBSD.ORG, "'hackers@freebsd.org'" Subject: Re: FreeBSD reboots In-Reply-To: <01D6C7224936D211BA450000F805D5380F8D0486@TOTO> Message-ID: MIME-Version: 1.0 Content-Type: MULTIPART/MIXED; BOUNDARY="0-453316678-940873944=:7282" Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. Send mail to mime@docserver.cac.washington.edu for more info. --0-453316678-940873944=:7282 Content-Type: TEXT/PLAIN; charset=US-ASCII why do you have a lot of connections in 'fin-wait-2 state? do you have windows clients? how many is 'a lot' if you leave the console on and so NOT have X11 runjing you may see mesages on the console. (possibly install DDB so that it doesn't fully reboot, but stops in the debugger) I have a patch to fix the fin-wait-2 problem.. I have included it. (It was last tested in 3.2) What it does is allow probing of the client so that the client will send an RST if the session is really closed, and if no response for a while, it will time out. You need to enable it in the config file too julian On Mon, 25 Oct 1999, Min Wei (Exchange) wrote: > Hi. I have a situation where FreeBSD 3.2 reboots once a while (less than > every > 12 hours). My net environment is, FreeBSD 3.2 sits behind a Cisco > LocalDirector. > The FreeBSD machine is a Dell dual-proc with 512M RAM. I recompiled the > kernel > with SMP options and set MAXMEM to 512M (since by default FreeBSD thinks it > only > has 64M). I have apache installed as the Web server. > > However during our Web stress run, FreeBSD reboots periodically. I wonder > if it's because a lot of TCP connections at FIN_WAIT_2 state, which causes > the kernel crash. The load on the machine is not high (CPU is about 90% idle > from > top). I could only guess Cisco LD might not be configured properly which > causes > a lot of open connections. > > Anyone sees this kind of problem before? Any advice would be greatly > appreciated. > > Thanks, > --min > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-net" in the body of the message > --0-453316678-940873944=:7282 Content-Type: TEXT/PLAIN; charset=US-ASCII; name="FINWAIT2.patch" Content-Transfer-Encoding: BASE64 Content-ID: Content-Description: Content-Disposition: attachment; filename="FINWAIT2.patch" SW5kZXg6IG5ldGluZXQvdGNwX2lucHV0LmMNCj09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT0NClJDUyBmaWxlOiAvaG9tZS9uY3ZzL3NyYy9zeXMvbmV0aW5ldC90 Y3BfaW5wdXQuYyx2DQpyZXRyaWV2aW5nIHJldmlzaW9uIDEuODQNCmRpZmYg LWMgLXIxLjg0IG5ldGluZXQvdGNwX2lucHV0LmMNCioqKiBuZXRpbmV0L3Rj cF9pbnB1dC5jCTE5OTkvMDIvMDYgMDA6NDc6NDUJMS44NA0KLS0tIG5ldGlu ZXQvdGNwX2lucHV0LmMJMTk5OS8wNC8wOCAwMDo0NTo1NA0KKioqKioqKioq KioqKioqDQoqKiogODgsOTMgKioqKg0KLS0tIDg4LDk5IC0tLS0NCiAgU1lT Q1RMX0lOVChfbmV0X2luZXRfdGNwLCBPSURfQVVUTywgZGVsYXllZF9hY2ss 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