Re: pci passthrough error about insufficient iommu width

2014-08-07 Thread Alex Williamson
On Wed, 2014-08-06 at 23:12 -0700, Nishank Trivedi wrote: > On 8/6/14, 2:49 PM, William Tu wrote: > >> > >> Try vfio-pci instead of pci-assign > >> > > Thanks Alex, William. Using vfio worked. > So does that mean pci-assign is being deprecated? Yes, vfio is meant to replace pci-assign with a bett

Re: pci passthrough error about insufficient iommu width

2014-08-06 Thread Nishank Trivedi
On 8/6/14, 2:49 PM, William Tu wrote: Try vfio-pci instead of pci-assign Thanks Alex, William. Using vfio worked. So does that mean pci-assign is being deprecated? -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More ma

Re: pci passthrough error about insufficient iommu width

2014-08-06 Thread William Tu
I encountered the same "IOMMU width is not sufficient" issue. Using VFIO works ok for me. On Wed, Aug 6, 2014 at 2:31 PM, Alex Williamson wrote: > On Wed, 2014-08-06 at 14:22 -0700, Nishank Trivedi wrote: >> Hi >> >> I'm trying to do a pci-passthrough of Intel 82599 10GbE card, with guest >> havi

Re: pci passthrough error about insufficient iommu width

2014-08-06 Thread Alex Williamson
On Wed, 2014-08-06 at 14:22 -0700, Nishank Trivedi wrote: > Hi > > I'm trying to do a pci-passthrough of Intel 82599 10GbE card, with guest > having 8G of memory. I see following error - > > intel_iommu_map: iommu width (48) is not sufficient for the mapped > address (fe001000) > kvm_io