Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755739AbaFPSll (ORCPT ); Mon, 16 Jun 2014 14:41:41 -0400 Received: from mail-ph.de-nserver.de ([85.158.179.214]:37067 "EHLO mail-ph.de-nserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751147AbaFPSlj (ORCPT ); Mon, 16 Jun 2014 14:41:39 -0400 X-Fcrdns: Yes References: <539EE86E.6030806@profihost.ag> Mime-Version: 1.0 (1.0) In-Reply-To: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-Id: <6B8712E6-8012-42C3-9D98-0EBD943F2894@profihost.ag> Cc: Stephen Hemminger , David Miller , "bridge@lists.linux-foundation.org" , Linux Netdev List , LKML X-Mailer: iPhone Mail (11D201) From: Stefan Priebe - Profihost AG Subject: Re: netconsole breaks netpoll on bridge Date: Mon, 16 Jun 2014 20:41:38 +0200 To: Cong Wang X-User-Auth: Auth by s.priebe@profihost.ag through 84.190.88.187 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Am 16.06.2014 um 20:05 schrieb Cong Wang : > > On Mon, Jun 16, 2014 at 5:51 AM, Stefan Priebe - Profihost AG > wrote: >> Hi, >> >> i'm using a vanilla 3.10.43 kernel and netconsole on top of a bridge. >> >> netconsole is used with vmbr0 (bridge) which is on top of bond0. >> >> If i want to add another bridge to vmbr0 is fails as long as netconsole >> is in use. >> >> # brctl addif vmbr0 fwpr2004p0 >> can't add fwpr2004p0 to bridge vmbr0: Unknown error 524 >> >> Kernel output: >> netpoll: (null): fwpr2004p0 doesn't support polling, aborting >> >> If i do rmmod netconsole - everything is working fine again. > > This is expected, you can't add an interface which doesn't support > netpoll to a bridge which is running netpoll. Thanks, so i can't use netconsole at a bridge used for vms? > > You should stop netpoll before adding it. How to do that? What disadvantage does this have? Thanks! Stefan -- 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/