Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752183Ab3F0FMP (ORCPT ); Thu, 27 Jun 2013 01:12:15 -0400 Received: from mail-pa0-f47.google.com ([209.85.220.47]:58681 "EHLO mail-pa0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751353Ab3F0FMN convert rfc822-to-8bit (ORCPT ); Thu, 27 Jun 2013 01:12:13 -0400 MIME-Version: 1.0 In-Reply-To: References: Date: Thu, 27 Jun 2013 13:12:13 +0800 Message-ID: Subject: Re: From: tingwei liu To: linux-kernel@vger.kernel.org, Jiri Slaby , Linus Torvalds , Alan Cox , Eric Dumazet Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 619 Lines: 16 Hi， dears I have found many RetransSegs of tcp by /proc/net/snmp, but I can't capture these packet on local system by tcpdump. What could be the reason? Droped by qdisc level or device driver? How to confirm that? I also find patch "[PATCH] tcp: reflect SYN queue_mapping into SYNACK packets" provided by Eirc, how to confirm this? Thanks very much! -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/