From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 20 May 2001 16:27:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 20 May 2001 16:27:10 -0400 Received: from ns.suse.de ([213.95.15.193]:24327 "HELO Cantor.suse.de") by vger.kernel.org with SMTP id ; Sun, 20 May 2001 16:27:00 -0400 Date: Sun, 20 May 2001 22:26:10 +0200 From: Andi Kleen To: David Osojnik Cc: linux-kernel@vger.kernel.org Subject: Re: tcp_mem problem Message-ID: <20010520222610.A25477@gruyere.muc.suse.de> In-Reply-To: <01052019331500.00946@cool> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <01052019331500.00946@cool>; from dworf@siol.net on Sun, May 20, 2001 at 07:33:15PM +0200 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, May 20, 2001 at 07:33:15PM +0200, David Osojnik wrote: > the system with problem is using kernel 2.4.2 on an P200 with 64mb ram. It > has about 20 users that use the box... (ftp, telnet, lynx, bitchx,...). > > the problem is when the parameter tcp_mem HIGH gets exeded after about a day > of use! Then the box is going from the net and its not awailable. I tried to > tune the system with adding more in proc tcp_mem but the problem is still > there the box only lasts for bout 2h longer. > > and i get this in messages > > kernel: TCP: too many of orphaned sockets > > It looks like my system is not droping closed sockets? You can check by using netstat -tan Normally the message is harmless; when it happens the closed sockets are RST instead of being closed properly. -Andi