From owner-freebsd-stable@FreeBSD.ORG Thu Sep 15 18:13:54 2005 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 0549E16A41F for ; Thu, 15 Sep 2005 18:13:54 +0000 (GMT) (envelope-from killing@multiplay.co.uk) Received: from multiplay.co.uk (core6.multiplay.co.uk [85.236.96.23]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6453243D46 for ; Thu, 15 Sep 2005 18:13:52 +0000 (GMT) (envelope-from killing@multiplay.co.uk) Received: from stevenp4 ([193.123.241.40]) by multiplay.co.uk (multiplay.co.uk [85.236.96.23]) (MDaemon.PRO.v8.1.1.R) with ESMTP id md50001823304.msg for ; Thu, 15 Sep 2005 19:13:19 +0100 Message-ID: <04c701c5ba21$27a0bda0$7f06000a@int.mediasurface.com> From: "Steven Hartland" To: "David Kirchner" , "Alex Prokhorenko" References: <20050915091256.GA28523@radiocom.net.ua> <35c231bf050915103611be6ca3@mail.gmail.com> Date: Thu, 15 Sep 2005 19:13:20 +0100 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2670 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2670 X-Spam-Processed: multiplay.co.uk, Thu, 15 Sep 2005 19:13:19 +0100 (not processed: message from valid local sender) X-MDRemoteIP: 193.123.241.40 X-Return-Path: killing@multiplay.co.uk X-MDaemon-Deliver-To: freebsd-stable@freebsd.org X-MDAV-Processed: multiplay.co.uk, Thu, 15 Sep 2005 19:13:21 +0100 Cc: freebsd-stable@freebsd.org Subject: Re: em0: data transfer 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: Thu, 15 Sep 2005 18:13:54 -0000 Check to ensure that nothing else is on the same interrupt as em0. If it is move the card / reallocate the IRQ in the BIOS. Steve / K ----- Original Message ----- From: "David Kirchner" To: "Alex Prokhorenko" Cc: Sent: 15 September 2005 18:36 Subject: Re: em0: data transfer On 9/15/05, Alex Prokhorenko wrote: > Hello, > > We have the following network card em0: Connection, Version - 1.7.35> being controlled by 5.4-STABLE/SMP. > The problem that we face lies in low data transfer speed from server > to network. The card is connected to 100Mbps port of the switch > (setting speed/duplex or autoselect option does not have any influence > on the results). If there is a file downloaded via FTP from the server > the speed is hardly higher than 4MBps. However, there is a flaw: if we > launch trafshow -npi em0 outgoing transfer speed will immediately rise > up to 12MBps, if we stop trafshow we get the low speed problem again: 4MBps. > Please, help us locate the reason of such a low data transfer speed. I can't state for a fact this is the problem, but I've found that disabling ACPI in the kernel (and of course as a module) increases transfer rates significantly. _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" ================================================ This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. In the event of misdirection, illegible or incomplete transmission please telephone (023) 8024 3137 or return the E.mail to postmaster@multiplay.co.uk.