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Re: [Xen-devel] pcnet32 device eth0 does not seem to be present, delayin

To: "Jonathan M. McCune" <jonmccune@xxxxxxx>
Subject: Re: [Xen-devel] pcnet32 device eth0 does not seem to be present, delaying initialization
From: "Jonathan M. McCune" <jonmccune@xxxxxxx>
Date: Tue, 07 Feb 2006 18:18:23 -0500
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, "Puthiyaparambil, Aravindh" <aravindh.puthiyaparambil@xxxxxxxxxx>
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I'm afraid I spoke too soon.
vif = ['type=ioemu, bridge=xenbr0']
gives me an eth0 in the guest, but there is no corresponding vifX.0 in dom0. Looking in /etc/xen/xmexample.hvm, I see the comment:

# type=ioemu specify the NIC is an ioemu device not netfront

I think vifX.0 is the backend, thus there is no reason for it to exist if the guest has no frontend. However, what do I do instead? I have been looking through documentation without luck.

Thanks!
-Jon



Jonathan M. McCune wrote:

That did the trick.  Many thanks.

-Jon


Puthiyaparambil, Aravindh wrote:

Please try replacing vif = [''] with

vif = [ 'type=ioemu, bridge=xenbr0' ]

Cheers,
Aravindh

-----Original Message-----
From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-devel-
bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Jonathan M. McCune
Sent: Monday, February 06, 2006 5:42 PM
To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-devel] pcnet32 device eth0 does not seem to be
present,delaying initialization

Hi,

I'm trying to bring up an HVM guest with networking support, but I
cannot get the guest to recognize an ethernet interface.  The guest is
rhel5, and I'm running Debian linux dom0 on top of xen-unstable-hvm
changeset 8724.

Running `/etc/init.d/networking restart` gives:

Shutting down loopback interface:                          [  OK  ]
Setting network parameters:                                [  OK  ]
Bringing up loopback interface:                            [  OK  ]
Bringing up interface eth0:  pcnet32 device eth0 does not seem to be
present, delaying initialization.
                                                          [FAILED]

I have tried several stock 2.4 redhat kernels, and I have built a

2.6.12
kernel and taken care to include the pcnet32 driver.  The config file
for the guest domain contains the line:

vif = ['']

`lspci` inside the guest does not show any ethernet interface.

I'm not sure what to do to enable networking.

Thanks,
-Jon




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