From owner-freebsd-stable@FreeBSD.ORG Mon Mar 14 18:13:02 2011 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 393C8106564A; Mon, 14 Mar 2011 18:13:02 +0000 (UTC) (envelope-from lacombar@gmail.com) Received: from mail-iw0-f182.google.com (mail-iw0-f182.google.com [209.85.214.182]) by mx1.freebsd.org (Postfix) with ESMTP id D5C568FC08; Mon, 14 Mar 2011 18:13:01 +0000 (UTC) Received: by iwn33 with SMTP id 33so6143596iwn.13 for ; Mon, 14 Mar 2011 11:13:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=N1pvHuL37w+n5g6KSeIOKn+/fmWh0PpSbuTAdZqwIKc=; b=YfD9c5BFwrn3LE3aGdN8IBpO7SAMpJvtcKIv40p9yerlnnQeoVd7/LuT4EF3l34Epm /kFb2Oe7dRdQMsXYi3tJzzdK+47urZ4mqlOv7udhKqt5642NO+bFArOqqzUPwJPNEcPB aUTTw1qSlGtqUqv7hE6bHglOEL0Rw0fSSfN3Y= 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:content-transfer-encoding; b=qzETI+csHkBmwv+u+QUAYpC8Xsh2N9pYVz8uHhGILktAKRD+MeoWdzC6qNeDlmnTzj aGCI2wbb7nkjXgUfCOyFqEh9VQ5sLzor2yU49jCG8PyG1nGtKvslpbdcidE0zsooTY64 oPP7kmeIN3HQZ9WIXLkl3bWG9AKZYtCjH5vzc= MIME-Version: 1.0 Received: by 10.42.176.197 with SMTP id bf5mr25995icb.267.1300126193131; Mon, 14 Mar 2011 11:09:53 -0700 (PDT) Received: by 10.42.177.132 with HTTP; Mon, 14 Mar 2011 11:09:53 -0700 (PDT) In-Reply-To: References: <1975926365.20110223121637@serebryakov.spb.ru> <4D64EC8C.2080007@sentex.net> <1004451940.20110223143607@serebryakov.spb.ru> <4D6D00C1.1040805@sentex.net> <1416421652.20110301225215@serebryakov.spb.ru> <1627628072.20110303111046@serebryakov.spb.ru> <1894628540.20110304012554@serebryakov.spb.ru> <31A99DAA7E5F4095B22B9DD57DD0E19E@multiplay.co.uk> <494278763.20110305130320@serebryakov.spb.ru> Date: Mon, 14 Mar 2011 14:09:53 -0400 Message-ID: From: Arnaud Lacombe To: =?ISO-8859-1?Q?=D6zkan_KIRIK?= Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: freebsd-net@freebsd.org, freebsd-stable@freebsd.org, Jack Vogel Subject: Re: em0 with latest driver hangs again and again (without "Watchdogtimeout" message!) 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: Mon, 14 Mar 2011 18:13:02 -0000 Hi, On Mon, Mar 14, 2011 at 10:17 AM, =D6zkan KIRIK wro= te: > Hi Arnaud, > > # sysctl kern.ipc.nmbclusters > kern.ipc.nmbclusters: 262144 > Well, then this is not surprising em(4) behave well, knowing that it is unable to handle resource shortage, give it plenty of it and it will be happy. 200MBps is about 18000 1500bytes packet by seconds. I will not trust the quality of any code which need 10x more resources available than needed to do the job. Even 1Gbps should be attainable with only 128k clusters. - Arnaud > On Mon, Mar 14, 2011 at 4:02 PM, Arnaud Lacombe wrot= e: >> Hi, >> >> On Fri, Mar 11, 2011 at 9:57 AM, =D6zkan KIRIK w= rote: >>> Hi again, >>> >>> I wanna share state of test machine. em-7.2.2 driver runs as kld. No ha= ngs. >>> >> How high is `nmbclusters' ? >> >> Thanks, >> =A0- Arnaud >> >