On Fri, 2017-02-17 at 15:56 +0100, Andrea Bolognani wrote: > libvirt is picking GICv3 here because QEMU reports it as a > viable emulated GIC; however, as I understand it the > emulated GICv3 doesn't have MSI support, and without that > PCIe can't work. If you manually switch to GICv2 you should > be able to run the guest succesfully. > > We should find a way to detect whether the interrupt > controller will support PCIe, and fall back to using > virtio-mmio when it doesn't. Eric, any ideas about how we > could achieve that? Actually, we will probably want to do the opposite, eg. pick GICv2 over GICv3 if the latter doesn't allow us to use PCIe. -- Andrea Bolognani / Red Hat / Virtualization -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list
