[dpdk-dev] SR-IOV with vfio-pci

Bruce Richardson bruce.richardson at intel.com
Thu Sep 26 10:36:03 CEST 2019


On Thu, Sep 26, 2019 at 11:57:04AM +0530, Deepak Gowda wrote:
> Hi,
> 
> I'm trying to run test-pmd application with virtual functions bound to
> vfio-pci.
> I'm able to bind and unbind the virtual functions from ixgbevf to vfio-pci
> and vice-versa
> And i'm seeing the below VF Initialization failure error, i can't seem to
> figure out what's going wrong here,
> 
> EAL:   using IOMMU type 1 (Type 1)
> PMD: eth_ixgbevf_dev_init(): VF Initialization Failure: -15
> EAL: Releasing pci mapped resource for 0000:04:10.0
> EAL: Calling pci_unmap_resource for 0000:04:10.0 at 0x7f808ba00000
> EAL: Calling pci_unmap_resource for 0000:04:10.0 at 0x7f808ba04000
> EAL: Requested device 0000:04:10.0 cannot be used
> EAL: PCI device 0000:04:10.2 on NUMA socket 0
> EAL:   probe driver: 8086:10ed net_ixgbe_vf
> EAL:   using IOMMU type 1 (Type 1)
> PMD: eth_ixgbevf_dev_init(): VF Initialization Failure: -15
> EAL: Releasing pci mapped resource for 0000:04:10.2
> EAL: Calling pci_unmap_resource for 0000:04:10.2 at 0x7f808ba08000
> EAL: Calling pci_unmap_resource for 0000:04:10.2 at 0x7f808ba0c000
> EAL: Requested device 0000:04:10.2 cannot be used
> 
> Here's some more information:
> I'm using dpdk-17.11.
> Created Virtual functions on Intel 82599ES 10G cards.
> Bound these vfs to vfio-pci.
> And tried to run the test-pmd.
> 
>
Is this a vfio specific problem? Does the app work with those ports if they
are bound to igb_uio, for instance?

/Bruce 


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