From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rick Jones Subject: Re: VxLAN system wedge in 4.0.0-rc5+ from davem net-next? Date: Mon, 06 Apr 2015 13:00:53 -0700 Message-ID: <5522E5F5.7050605@hp.com> References: <551F2C20.1060908@hp.com> <20150406190743.GA3969@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: Marcelo Ricardo Leitner Return-path: Received: from g2t1383g.austin.hp.com ([15.217.136.92]:53375 "EHLO g2t1383g.austin.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753717AbbDFUAz (ORCPT ); Mon, 6 Apr 2015 16:00:55 -0400 Received: from g9t5009.houston.hp.com (g9t5009.houston.hp.com [15.240.92.67]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by g2t1383g.austin.hp.com (Postfix) with ESMTPS id 11CF634E2 for ; Mon, 6 Apr 2015 20:00:55 +0000 (UTC) In-Reply-To: <20150406190743.GA3969@localhost.localdomain> Sender: netdev-owner@vger.kernel.org List-ID: On 04/06/2015 12:07 PM, Marcelo Ricardo Leitner wrote: > Hi, > > On Fri, Apr 03, 2015 at 05:11:12PM -0700, Rick Jones wrote: >> Hi - >> >> I've been messing about with VxLAN with a pair of two socket systems with >> ixgbe-driven NICs (HP 560FLRs for the curious) and have noticed that with a >> kernel from a davem net-next tree I refreshed a couple days ago I can create >> the vlxan link, and ifconfig it, but once I start trying to push packets >> through it the system appears to hang and I have to reset it. >> >> I went back to checkout v3.19 and tried that kernel and all was happiness >> and joy. So, I started down the bisect path, but after the first iteration >> I ran into: > > That means you could send/receive some packets on it before the hang, right? On v3.19 I could send and receive lots of packets without a hang. I could even run netperf through the vxlan tunnel :) Now that I've addressed my build issue I'm in the midst of a bisect, but if someone has faster git-fu I'll not be disappointed if they are able to bisect before me. rick