From owner-freebsd-stable@FreeBSD.ORG Sun Sep 3 16:40:53 2006 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id CE33716A53C for ; Sun, 3 Sep 2006 16:40:53 +0000 (UTC) (envelope-from sam@errno.com) Received: from ebb.errno.com (ebb.errno.com [69.12.149.25]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7B44C43D45 for ; Sun, 3 Sep 2006 16:40:53 +0000 (GMT) (envelope-from sam@errno.com) Received: from [10.0.0.248] (trouble.errno.com [10.0.0.248]) (authenticated bits=0) by ebb.errno.com (8.13.6/8.12.6) with ESMTP id k83GepRJ046824 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sun, 3 Sep 2006 09:40:53 -0700 (PDT) (envelope-from sam@errno.com) Message-ID: <44FB0593.3090108@errno.com> Date: Sun, 03 Sep 2006 09:40:51 -0700 From: Sam Leffler User-Agent: Thunderbird 1.5.0.4 (X11/20060724) MIME-Version: 1.0 To: dandee@volny.cz References: <000001c6ce93$72a247b0$6508280a@tocnet28.jspoj.czf> In-Reply-To: <000001c6ce93$72a247b0$6508280a@tocnet28.jspoj.czf> X-Enigmail-Version: 0.94.0.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: freebsd-stable@freebsd.org Subject: Re: atheros driver under high load, panics and even more freezes X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 03 Sep 2006 16:40:53 -0000 Daniel Dvořák wrote: > Ok, I will upgrade my boxes and I will do simple ping tests again. > > Did you see my sysctl.conf file ? > > I mean these options: > > kern.ipc.maxsockbuf=2097152 > net.inet.ip.fastforwarding=1 > net.inet.tcp.sendspace=65536 > > Could be this connected with increasing latency up to 500ms ? Seems unlikely but I have little to go on. You can easily identify whether the delays are in the OS or due to wireless issues by sniffing traffic. Tools like athstats are also important for diagnosing problems. Sam