From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pekka Enberg <penberg@iki.fi>
Subject: Re: lkvm issue: --network mode=user,trans=mmio doesn't work
Date: Sat, 12 Oct 2013 11:49:16 +0200
Message-ID: <52591B1C.1080503@iki.fi>
References: <CAAAOz08gRiYMLZPg2TU-knVkbHAESvNzsb+rcipqc7rmbzDf_g@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1;
	format=flowed
Content-Transfer-Encoding: QUOTED-PRINTABLE
To: =?ISO-8859-1?Q?P=E9ter_Szab=F3?= <ptspts@gmail.com>,
	kvm@vger.kernel.org, Sasha Levin <sasha.levin@oracle.com>,
	Asias He <asias@redhat.com>,
	Cyrill Gorcunov <gorcunov@openvz.org>
Return-path: <kvm-owner@vger.kernel.org>
Received: from out1-smtp.messagingengine.com ([66.111.4.25]:56742 "EHLO
	out1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK)
	by vger.kernel.org with ESMTP id S1752942Ab3JLJtU (ORCPT
	<rfc822;kvm@vger.kernel.org>); Sat, 12 Oct 2013 05:49:20 -0400
In-Reply-To: <CAAAOz08gRiYMLZPg2TU-knVkbHAESvNzsb+rcipqc7rmbzDf_g@mail.gmail.com>
Sender: kvm-owner@vger.kernel.org
List-ID: <kvm.vger.kernel.org>

Hi Peter,

(Adding bunch of CCs.)

On 10/12/13 11:05 AM, P=E9ter Szab=F3 wrote:
> First, thank you very much for writing lkvm, it's awesome, and very
> easy to set up.
>
> If sending an e-mail to you is not the right way to report lkvm
> issues, please tell me how I should do it.

Sure, you can report problems to me and I'll do my best to
try to get them sorted out.

> I'm using afdf92030c7c43b0f9b32b7edbe07ac3b13780f1 from
> git://github.com/penberg/linux-kvm.git and Linux kernel 3.2.51:
>
> config-3.2.51 (42 KB)
> https://mega.co.nz/#!hgxB1TDJ!SdbX-jp_yr8E6EUJl7t7Tzrh1p4qKxkTHieoss8=
yu_Y
> bzImage-3.2.51 (2.0 MB)
> https://mega.co.nz/#!5lBVmDZL!WpPRWA7ZflevBIPPNGNM_FkkY-ErBNQMoEbw0Xe=
Pi5I
>
> Config:
>
> $ grep -E 'VIRTIO|MMIO' .config
> CONFIG_NET_9P_VIRTIO=3Dy
> CONFIG_VIRTIO_BLK=3Dy
> CONFIG_VIRTIO_NET=3Dy
> CONFIG_VIRTIO_CONSOLE=3Dy
> CONFIG_HW_RANDOM_VIRTIO=3Dy
> CONFIG_VIRTIO=3Dy
> CONFIG_VIRTIO_RING=3Dy
> CONFIG_VIRTIO_PCI=3Dy
> CONFIG_VIRTIO_BALLOON=3Dy
> CONFIG_VIRTIO_MMIO=3Dy
> CONFIG_HAVE_MMIOTRACE_SUPPORT=3Dy
>
> I'm running `lkvm run --network mode=3Duser,trans=3Dmmio', and it fai=
ls to
> create the eth0 device (`cat /proc/net/dev' doesn't show the device).
> With `lkvm run --network mode=3Duser' everything just works.
>
> I have also tried kernels 3.0.99, 3.4.65 an 3.10.15, but they seem to
> fail the same way.
>
> Am I using it correctly?

Asias, Sasha, is mmio transport supported by virtio networking?

                                 Pekka