Re: pci passthrough error about insufficient iommu width

2014-08-07 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

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 better device

pci passthrough error about insufficient iommu width

2014-08-06 Thread Nishank Trivedi
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_iommu_map_address:iommu failed to map pfn=45800 I checked IOMMU

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)

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 alex.william...@redhat.com 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,