From owner-freebsd-net@FreeBSD.ORG Wed Oct 7 23:17:18 2009 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C60581065672; Wed, 7 Oct 2009 23:17:18 +0000 (UTC) (envelope-from onemda@gmail.com) Received: from mail-bw0-f227.google.com (mail-bw0-f227.google.com [209.85.218.227]) by mx1.freebsd.org (Postfix) with ESMTP id 270508FC12; Wed, 7 Oct 2009 23:17:17 +0000 (UTC) Received: by bwz27 with SMTP id 27so4320381bwz.43 for ; Wed, 07 Oct 2009 16:17:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type; bh=WhY1nq0jBRNJ9FN0hSfebSCD6TZugKHX9kNohO1P6cE=; b=USeIQ02UNG2kNTeWV8s0xAZEwF0FbZKf94KWCYDoCy/aMDK32gFS3geuwx25YH32ek k3Cl8NqovqSGwyl/g5UUy2rxApOiv3UhlB8PvBx3hvul13rGhhLDlQZfiTMQIsdsTQXs y0T50WdzCg+pq5DdVIWeKBtF4x4upf4EpdZnY= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=OkhK3Unt29zFiKogKtVkS84Jigqn9R7zO5EEmybHFjN0MmOK7rvqQdYNfrFI6fPZLS hLQimrm4P5sL3sbmrpErxiO67j1nSDU7baVkaDuCLUgok+pNXndHL0ZbtV0sahkQo29u 41+lvhO4cwyvi1zS8xO8m73eYkbdHtuvpQWGw= MIME-Version: 1.0 Received: by 10.103.125.19 with SMTP id c19mr209252mun.59.1254957436889; Wed, 07 Oct 2009 16:17:16 -0700 (PDT) In-Reply-To: <4ACCFADF.6090603@acm.poly.edu> References: <768BD7F8-7B04-4111-8A69-0D1118361E96@joostm.nl> <4ACCE651.1060607@acm.poly.edu> <824A1142-42E3-4B2E-AE72-489AD5AB7D49@freebsd.org> <4ACCFADF.6090603@acm.poly.edu> Date: Thu, 8 Oct 2009 01:17:16 +0200 Message-ID: <3a142e750910071617y2bc3b9e1r9af2d3ce54a818cd@mail.gmail.com> From: Paul B Mahol To: Boris Kochergin Content-Type: text/plain; charset=ISO-8859-1 Cc: freebsd-net@freebsd.org, Rui Paulo , Joost Mulders Subject: Re: PCI card for wlan AP X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 Oct 2009 23:17:18 -0000 On 10/7/09, Boris Kochergin wrote: > Rui Paulo wrote: >> On 7 Oct 2009, at 20:04, Boris Kochergin wrote: >>> >>> The heavily-used ones exhibit the problem described at: >>> >>> http://lists.freebsd.org/pipermail/freebsd-net/2009-September/022894.html >>> >>> >>> >>> ...but that's a driver, not a hardware, issue. The one in the router >>> at my house doesn't exhibit the problem, the two differences there >>> being that the machine is 7.0-RELEASE, and there are only a couple of >>> clients connected to it, as opposed to the ~30 connected to my >>> heavily-used ones. >> >> Are you sure you have sufficient RAM to hold 30 users? >> >> What you seem to be saying is that the ath driver is leaking mbufs and >> hence you get a panic, right? >> >> -- >> Rui Paulo >> >> >> > Pretty sure. The Soekris has 256 MB of RAM. I suspect that it's a leak > because things are usually great, even with ~30 users, with the > "80211node" portion from "vmstat -m" only taking a few hundred KiB of > RAM. Every few days, it spikes to over 100 MiB, and the "ath0: Interesting, is it actually memory leak? (I try to hunt one down when using if_ndis(4) but without success) > ath_rx_proc: no mbuf!" kernel messages appear, often followed by a > panic. I haven't had time to try another rate-control algorithm, as per > the responses to my post, but I'll report back when I do get around to it.