From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eyal perry Subject: Re: ip6_udp_tunnel fails to load Date: Tue, 23 Sep 2014 22:25:43 +0300 Message-ID: <5421C937.8040102@dev.mellanox.co.il> References: <54218FED.4080102@dev.mellanox.co.il> <1411486777.26859.189.camel@edumazet-glaptop2.roam.corp.google.com> <5421A0E1.2050309@dev.mellanox.co.il> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: Eric Dumazet , Andy Zhou , Linux Netdev List , Or Gerlitz , Amir Vadai To: Tom Herbert Return-path: Received: from mail-wi0-f173.google.com ([209.85.212.173]:59039 "EHLO mail-wi0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752991AbaIWTZq (ORCPT ); Tue, 23 Sep 2014 15:25:46 -0400 Received: by mail-wi0-f173.google.com with SMTP id r20so5583500wiv.6 for ; Tue, 23 Sep 2014 12:25:45 -0700 (PDT) In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: On 9/23/2014 7:55 PM, Tom Herbert wrote: > On Tue, Sep 23, 2014 at 9:33 AM, Eyal perry wrote: >> On 9/23/2014 6:39 PM, Eric Dumazet wrote: >>> On Tue, 2014-09-23 at 18:21 +0300, Eyal perry wrote: >>>> Hello Andy, >>>> >>>> Lately I've start to observe a phenomena where the mlx4_en driver >>>> couldn't load on my system as a result of an 'Unknown symbol in module'. >>>> >>>> [ 1277.458715] ip6_udp_tunnel: Unknown symbol ip6_local_out (err 0) >>>> [ 1277.486810] ip6_udp_tunnel: Unknown symbol __put_net (err 0) >>>> >>>> Apparently, the mlx4_en driver is depend on the vxlan driver, which >>>> depends on the ip6_udp_tunnel module which fails to load. >>>> >>>> 1. I've bisected this issue down to the following commit: >>>> fd38441 udp_tunnel: Seperate ipv6 functions into its own file. >>>> >>>> 2. on a different host with a different .config, the module is loads >>>> cleanly. >>>> >>>> 3. my sources are based on net-next commit >>>> 6d967f8 udp_tunnel: Only build ip6_udp_tunnel.c when IPV6 is selected >>>> >>>> I'll send you both of the .config files in a private message. >>>> >>>> This issue is making any driver which is depend on vxlan/ip6_udp_tunnel >>>> unusable, please take a look and fix >>> >>> Have you tried this patch ? >>> >>> https://patchwork.ozlabs.org/patch/392275/ >>> >>> Thanks >> > Try https://patchwork.ozlabs.org/patch/392109/ > > Tom > >> Hello Eric, >> >> Now I've tried but it still fails - the vxlan is still depends on the >> ip6_udp_tunnel and it still fails to load because of the missing symbols >> mentioned above. >> >> >> >> >> -- >> To unsubscribe from this list: send the line "unsubscribe netdev" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html Thanks Tom, that solves my problem, though I can verify at the moment that vxlan is well functioning.