[libvirt] BUG: attaching - detaching network device only works 7 times

Daniel P. Berrange berrange at redhat.com
Thu Apr 15 09:22:22 UTC 2010


On Wed, Apr 14, 2010 at 08:16:22PM -0400, Stefan Berger wrote:
> With the current tip: While extending a test case I found that attaching
> and detaching the following network device works only 7 times with the
> below script:
> 
>     <interface type='bridge'>
>       <source bridge='static'/>
>       <mac address='52:54:00:4d:a2:58'/>
>       <target dev='attach0'/>
>     </interface>
> 
> 
> let c=1; while test 1; do virsh attach-device acl attach.xml ; virsh
> detach-device acl attach.xml; echo ${c}; let c=c+1; done
> 
> Then the following error occurs:
> 
> error: Failed to attach device from attach.xml
> error: operation failed: parsing pci_add reply failed: Too Many NICs
> failed to add macaddr=52:54:00:4d:a2:58,vlan=1,name=net1
> 
> It looks like the detachment of the device is not done by qemu?

Yeah, sounds like it - what version of QEMU do you have ? 

Regards,
Daniel
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