> From: Chris Wright [chrisw@xxxxxxxxxxxx] >> >> > 00:02.0 PCI bridge: ATI Technologies Inc RD890 PCI to PCI bridge (PCI express gpp port B) >> > Bus: primary=00, secondary=06, subordinate=06, sec-latency=0 >> >> > 06:00.0 VGA compatible controller: nVidia Corporation G86 [Quadro NVS 290] >> >> As the secondary and subordinate are 06, it means GPU pass through won't work. > >No, it just means there are nor more bridges behind 00:02.0. The GPU is >a PCIe device in a PCIe port (which happens to look a lot like a >bridge). So, while GPU assignment has some tricky issues, I don't think >you'll be stopped by the IOMMU. Great thanks Chris. Like you said lspci -t -vvv explains it very well. > >> >> Please explain how to find out this information. >> >> > Using lspci -t you can see the topology pretty easily. Otherwise you >> > can sift through lspci output to find the topology. >> >> Thanks a lot Chris for explaining everything. > >You're welcome. Good luck with your project. Thanks a lot. I will keep on posting on the mailing list whenever I need help. > >thanks, >-chris -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html