[libvirt] Fail to import available VM image

Alex Jia ajia at redhat.com
Wed Feb 15 02:38:02 UTC 2012


On 02/15/2012 01:01 AM, Laine Stump wrote:
> On 02/14/2012 11:01 AM, Jun Koi wrote:
>> On Tue, Feb 14, 2012 at 11:47 PM, Alex Jia<ajia at redhat.com>  wrote:
>>> Hi Jun,
>>> I assume you haven't changed libvirt default URI, it may be a issue,
>>> I want to know whether it works for you if you explicitly specify
>>> --connect qemu:///system with virt-install? I think a root reason
>>> probably is your disk image location, the log said it can't find
>>> storage volume, if you put img.winp under the /var/lib/libvirt/images,
>>> then give a disk absolute path to virt-install, Does it work for you?
>> ok, i change the command a bit, and it went further.
>> here is how i did:
>>
>> (1) compiled everything from source, then install (make install) to my Ubuntu
>>
>> (2) start libvirtd on commandline
>> # libvirtd -d
>>
>> (3) import my KVM image to libvirt
>>
>> $ virt-install --connect qemu:///system -n winxp -r 800 --accelerate
>> --vnc -v --noautoconsole --import -f /home/jun/img/img.winxp
>>
>> it failed, and the log is like below:
>>
>> ....
>> [Tue, 14 Feb 2012 23:51:49 virt-install 3831] DEBUG (cli:326)
>> Requesting libvirt URI qemu:///system
>> [Tue, 14 Feb 2012 23:51:51 virt-install 3831] DEBUG (cli:328) Received
>> libvirt URI qemu:///system
>> [Tue, 14 Feb 2012 23:51:52 virt-install 3831] DEBUG (virt-install:259)
>> Requesting virt method 'hvm', hv type 'default'.
>> [Tue, 14 Feb 2012 23:51:52 virt-install 3831] DEBUG (virt-install:469)
>> Received virt method 'hvm'
>> [Tue, 14 Feb 2012 23:51:52 virt-install 3831] DEBUG (virt-install:470)
>> Hypervisor name is 'kvm'
>> [Tue, 14 Feb 2012 23:51:52 virt-install 3831] ERROR (cli:439) Error in
>> network device parameters: Virtual network 'default' has not been
>> started.
>> [Tue, 14 Feb 2012 23:51:52 virt-install 3831] DEBUG (cli:440)
>> Traceback (most recent call last):
>>    File "/usr/local/lib/python2.6/dist-packages/virtinst/cli.py", line
>> 884, in get_networks
>>      dev = parse_network(guest, netstr, mac=mac)
>>    File "/usr/local/lib/python2.6/dist-packages/virtinst/cli.py", line
>> 1642, in parse_network
>>      bridge=opts.get("bridge"))
>>    File "/usr/local/lib/python2.6/dist-packages/virtinst/VirtualNetworkInterface.py",
>> line 153, in __init__
>>      self.network = network
>>    File "/usr/local/lib/python2.6/dist-packages/virtinst/XMLBuilderDomain.py",
>> line 309, in new_setter
>>      fset(self, val, *args, **kwargs)
>>    File "/usr/local/lib/python2.6/dist-packages/virtinst/VirtualNetworkInterface.py",
>> line 257, in set_network
>>      "started.") % newnet)
>> ValueError: Virtual network 'default' has not been started.
> A very common cause of this problem is that a systemwide instance of
> dnsmasq is already (erroneously) listening on the bridge created by
> libvirt for the default network.
Laine, yeah, I'm missing this important reason.
> I took your email as an oppurtunity to
> write an entry in the new Troubleshooting section of the libvirt wiki.
> It will explain to you how to solve your problem (*if* this is your
> problem, of course :-).
>
>
> http://wiki.libvirt.org/page/Virtual_network_%27default%27_has_not_been_started
Great, I want to tidy up a doc about this ago, it should be very helpful 
for a new guys.

Thanks & Regards,
Alex
> If that ends up not being your problem, please reply to this message,
> but sending the reply to libvirt-users at redhat.com (I also Cc'ed this
> message there) rather than to libvir-list at redhat.com. (The former is the
> official list for user questions about libvirt, whil libvir-list is
> intended for for people discussing the code.)
>
>
>> i guess perhaps just starting "libvirtd -d" on commandline is not
>> enough. do i need a script to configure and start libvirtd properly
>> for me?
>> and it seems i must configure the virtual network somehow?
> The "default" network should already be there as part of the stock install.
>
>
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