Hi, does your host support the passthrough (I/O MMU virtualization: i.e. VT-d for Intel, AMD-Vi for AMD CPUs)? Is it enabled in BIOS and kernel? On 2016-11-16 08:38, Tahir Masood wrote: > Hi Guys, > > > > I am trying to add a Broadcom Physical NIC to a virtual Machine as > Passthrough device. However I am getting following error. > > > > Error starting domain: unsupported configuration: host doesn't support > passthrough of host PCI devices > > > > Traceback (most recent call last): > > File "/usr/share/virt-manager/virtManager/asyncjob.py", line 88, in > cb_wrapper > > callback(asyncjob, *args, **kwargs) > > File "/usr/share/virt-manager/virtManager/asyncjob.py", line 124, in tmpcb > > callback(*args, **kwargs) > > File "/usr/share/virt-manager/virtManager/libvirtobject.py", line 83, > in newfn > > ret = fn(self, *args, **kwargs) > > File "/usr/share/virt-manager/virtManager/domain.py", line 1404, in > startup > > self._backend.create() > > File "/usr/lib64/python2.7/site-packages/libvirt.py", line 1035, in create > > if ret == -1: raise libvirtError ('virDomainCreate() failed', dom=self) > > libvirtError: unsupported configuration: host doesn't support > passthrough of host PCI devices > > > > libvirt allows to appply the changes to the VM xml configurations, but > gives error the moment I try to start the VM. > > I have tried following approaches. > > > > 1- Open Virt-Manager, Shutdown VM, edit VM , add PCI hardware device , > locate BroadCom NIC, apply changes. Then I restart the VM. > > 2- Also tried to add following XML tags one by one using 'virsh edit', > but got same error. > > > > Tag -1 > > <hostdev mode='subsystem' type='pci' managed='yes'> > > <source> > > <address domain='0x0000' bus='0x02' slot='0x00' function='0x1'/> > > </source> > > </hostdev> > > > > Tag -2 > > <interface type='hostdev' managed='yes'> > > <source> > > <address type='pci' domain='0x0000' bus='0x02' slot='0x00' > function='0x1'/> > > </source> > > </interface> > > > > The detail of the BroadCOm NIC are as follows. > > 02:00.1 Ethernet controller: Broadcom Limited NetXtreme II BCM5709 > Gigabit Ethernet (rev 20) > > > > > > What would it take to add this NIC to VM as Passthrough Device? > > > > Regards, > > > > Tahir Masood > > Senior Engineer, > > xFlow Research Inc. > > +92-300-9779473 > > tahir.masood@xxxxxxxxxxxxxxxxx <mailto:tahir.masood@xxxxxxxxxxxxxxxxx> > > www.xflowresearch.com <http://www.xflowresearch.com/> > > > > > > _______________________________________________ > libvirt-users mailing list > libvirt-users@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/libvirt-users > _______________________________________________ libvirt-users mailing list libvirt-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvirt-users