Re: [libvirt] Creating multiple network interfaces in libvirt Domain.
On Wed, Apr 28, 2010 at 5:56 PM, Kumar L Srikanth-B22348
<B22348(a)freescale.com> wrote:
Hi,
I want to create a Domain with two interfaces. I am using LXC hypervisor in
the libvirt.
My domain XML is shown below:
<domain type='lxc' id='1'>
<name>srikanth_vm2</name>
<memory>500000</memory>
<os>
<type>exe</type>
<init>/bin/sh</init>
</os>
<vcpu>1</vcpu>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>destroy</on_crash>
<devices>
<emulator>/usr/libexec/libvirt_lxc</emulator>
<filesystem type='mount'>
<source dir='/root/lxc/fedora1'/>
<target dir='/'/>
</filesystem>
<interface type='network'>
<source network='default'/>
</interface>
<interface type='network'>
<source network='default'/>
</interface>
<console type='pty' />
</devices>
</domain>
I am able to define the Domain. But, I am not able to start the Domain.
While starting the domain, I am getting the following error:
error: Failed to start domain srikanth_vm2
error: internal error Failed to create veth device pair: 512
Can you please let me know where I am going wrong?
You should be doing correct.
I found a bug in lxc_driver.c. Could you try the following patch?
diff --git a/src/lxc/lxc_driver.c b/src/lxc/lxc_driver.c
index 2851a2a..018e9f8 100644
--- a/src/lxc/lxc_driver.c
+++ b/src/lxc/lxc_driver.c
@@ -883,6 +883,9 @@ static int lxcSetupInterfaces(virConnectPtr conn,
goto error_exit;
}
+ /* Prevent auto-assigned names re-used */
+ parentVeth[0] = '\0';
+ containerVeth[0] = '\0';
}
rc = 0;
---
Regards,
Srikanth.
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