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Re: [libvirt] Out of Memory Error



Hi,

Today I noticed one strange thing. I removed the contents of usbSharedFolder.xml and kept it blank. Then I again tried both ways i.e. calling attachDevice method using code as well as virsh but again it gave libvir: VirtualBox Driver error : out of memory but I was expecting some syntactical error. Is this a bug....??
And if it is a bug can anyone release a patch for this....??


On Tue, Feb 12, 2013 at 9:17 PM, varun bhatnagar <varun292006 gmail com> wrote:
Hi,

I am trying to attach a usb device to my virtualbox node using libvirt. My node is already running, I stop my node and then I am trying to add this usb device.
I have a separate xml file defined for usb. It looks like this:

<device> 
<hostdev mode='subsystem' type='usb'> 
      <source> 
        <vendor id='0x4321'/> 
        <product id='0xfeeb'/> 
      </source> 
</hostdev> 
</device> 


I am trying to attach it using code:

conn = libvirt.open("vbox:///session") 
    if conn ==None: 
        print 'Failed to open connection to the hypervisor' 
        sys.exit(1) 
        print 'connected to vbox hypervisor driver' 
        domainInstance = conn.lookupByName('SampleNode') 
        filed = open('/root/testFolder/usbSharedFolder.xml', 'r') 
        config_str = filed.read()
        libvirt.virDomain.attachDevice(domainInstance, config_str)


When it is executed I am getting an error message saying:
libvir: VirtualBox Driver error : out of memory 

Even with virsh it is giving the same error. I am using the below command:
attach-device SampleNode /root/testFolder/usbSharedFolder.xml

Can anyone tell me what is going wrong. It is really very important. Please do reply.
Thanks in advance.


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