From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Monjalon Subject: Re: no hugepage with UIO poll-mode driver Date: Wed, 25 Nov 2015 11:23:57 +0100 Message-ID: <1711935.0QY3Nxc9zX@xps13> References: <56554B08.3040400@ndsl.kaist.edu> <56555795.60408@ndsl.kaist.edu> <20151125100859.GA3496@bricha3-MOBL3> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Cc: dev@dpdk.org To: Bruce Richardson Return-path: Received: from mail-wm0-f43.google.com (mail-wm0-f43.google.com [74.125.82.43]) by dpdk.org (Postfix) with ESMTP id E83C55A08 for ; Wed, 25 Nov 2015 11:25:15 +0100 (CET) Received: by wmww144 with SMTP id w144so173718037wmw.1 for ; Wed, 25 Nov 2015 02:25:15 -0800 (PST) In-Reply-To: <20151125100859.GA3496@bricha3-MOBL3> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 2015-11-25 10:08, Bruce Richardson: > On Wed, Nov 25, 2015 at 03:39:17PM +0900, Younghwan Go wrote: > > Hi Jianfeng, > > > > Thanks for the email. rte mempool was successfully created without any > > error. Now the next problem is that rte_eth_rx_burst() is always returning 0 > > as if there was no packet to receive... Do you have any suggestion on what > > might be causing this issue? In the meantime, I will be digging through > > ixgbe driver code to see what's going on. > > > > Thank you, > > Younghwan > > > > The problem is that with --no-huge we don't have the physical address of the memory > to write to the network card. That's what it's marked as for testing only. Even with rte_mem_virt2phy() + rte_mem_lock_page() ?