[ovs-discuss] KVM + openvswitch : device tap could not be initialized
sumit_sngpt at yahoo.co.in
Mon Mar 12 03:05:40 PDT 2012
Thanks much for your reply. I missed the executable flags on this /etc/ovs-ifup file. Now, I can proceed with this kvm command.
From: Ben Pfaff <blp at nicira.com>
To: sumit sengupta <sumit_sngpt at yahoo.co.in>
Cc: "discuss at openvswitch.org" <discuss at openvswitch.org>
Sent: Thursday, 8 March 2012 11:03 PM
Subject: Re: [ovs-discuss] KVM + openvswitch : device tap could not be initialized
On Wed, Mar 07, 2012 at 10:59:50PM -0800, sumit sengupta wrote:
> hi all,
> I'm trying to use openvswitch with kvm in Ubuntu latest version following the commands in INSTALL.KVM file but when I try to run the kvm command, it fails with error "Device 'tap' could not be initialized". Fyi, I have initialized the tap devices using tunctl commands and ifconfig command also shows me the configuration success. Any idea? Am I missing something here ?
> bash$ sudo kvm -m 512 -net nic,macaddr=00:11:22:EE:EE:EE -net tap,script=/etc/ovs-ifup,downscript=/etc/ovs-ifdown -drive file=~/iso_images/linux-5.6.0-i386.iso,boot=on
> /etc/ovs-ifup: could not launch network script
Does /etc/ovs-ifup exist? Is it marked executable ("chmod +x
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