From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from bear.techie.net (bear.techie.net [205.134.185.202]) by dpdk.org (Postfix) with ESMTP id 3DBB3559C for ; Mon, 29 Jul 2013 19:01:50 +0200 (CEST) Received: from bear.techie.net (localhost.localdomain [127.0.0.1]) by bear.techie.net (8.13.8/8.13.8) with ESMTP id r6TH2Epg024000 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 29 Jul 2013 13:02:14 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=techie.net; s=default; t=1375117334; bh=HU9g7l4zjDbQmDJRrE0FBMNlCmAFRmx4g/Edrh42Ba8=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References: MIME-Version:Content-Type; b=iGwp2BkICsTpYUSihvVB3u/DOPXjB2AoF/Oa3IESos4V16Ghf7hQaFcZtClyW4V3a KyS3zmN6WPnIv62R7ko2dSV3FgOFNFQUFkrC5KM5dGpX5u2GdjmkiCJtTm/LLcA7Fi EE03V6A0lecGOtjnsqHw9vzuN3mZXkXobW+IKAno= Received: from localhost (talbert@localhost) by bear.techie.net (8.13.8/8.13.8/Submit) with ESMTP id r6TH2EQT023997; Mon, 29 Jul 2013 13:02:14 -0400 X-Authentication-Warning: bear.techie.net: talbert owned process doing -bs Date: Mon, 29 Jul 2013 13:02:14 -0400 (EDT) From: Scott Talbert X-X-Sender: talbert@bear.techie.net To: jinho hwang In-Reply-To: Message-ID: References: <20130726125322.0ecbca48@nehalam.linuxnetplumber.net> User-Agent: Alpine 2.03 (LRH 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: dev Subject: Re: [dpdk-dev] NIC Stops Transmitting X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 29 Jul 2013 17:01:50 -0000 On Fri, 26 Jul 2013, Scott Talbert wrote: >> I am wondering whether you use multiple cores accessing the same >> receive queue. I had this problem before, but after I make the same >> number of receiving queues as the number of receiving cores, the >> problem disappeared. I did not dig more since I did not care how many >> receive queues I have did not matter. > > Thanks. I have only one queue (should I be using more?) but as far as I > know, I'm only using one core to transmit as well. All, It turns out that the problem appears to have been caused by me using a signal handler to control my data rates. After switching to use RTE timers instead, I am able to transmit close to 10 Gb/sec reliably. Thanks, Scott