Could multiple PCIe devices in one IOMMU group be added to different KVM VM separately?

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Hi:
I want to know could multiple PCIe devices in one IOMMU group be added to different KVM VM separately?
Mother board: ASUS 390-A(intel supports VT-D)
host OS: Ubuntu 18.04 with kernel 4.18.0-15
KVM-QEMU: version 2.11.1
I have got failed message like *card1 is used by VM1, and card2 is in the card1's group and added to VM2, then VM2 can't boot*
I have tried vfio driver, but it didn't work, so what should I do? try SR-IOV? or update KVM-QEMU or update kernel?

Thanks
Dahui




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