Intel is an American company founded in 1968. It the leading manufacturer of x86 processors in front of AMD, its main competitor. Intel commercializes the Rapid Storage Technology (RST) drivers for its SATA controllers or the Intel® Chipset Software Installation Utility. Sep 6, 2016 - The package provides the installation files for Intel Xeon E3 - 1200/1500 v5/6th Gen Intel Core PCIe Controller (x16) - 1901 Driver version.
I have a Dell XPS 15 9550 laptop running Ubuntu 16.04.1.I am trying to setup a KVM virtual machine with GPU passthrough in which the NVIDIA GeForce GTX 960M is used by the VM and the Intel Integrated Graphics is used by the host machine.
I tried setting it up using both pci-stub and vfio-pci, however in both cases it fails to obtain the iommu group:
I added intel_iommu=on to the Grub settings.I added the following to the /etc/modules file.
I checked in which iommu group my video card is and which other devices are in the same group:
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My NVIDIA GeForce GTX 960M [10de:139b] is in group 1 as is the Intel Corporation Sky Lake PCIe Controller (x16) [8086:1901].So I created a file /etc/modprobe.d/vfio-pci.conf and added the ids of these two:
After a reboot, I checked if the kernel driver in use for the NVidia card is vfio-pci.However, as mentioned, this is not the case.When I checked the syslog however, I do see that the two devices are added.
Why does the vfio-pci driver fail to obtain the video card?
Jeff Schaller♦closed as off-topic by Jeff Schaller♦, Stephen Rauch, Satō Katsura, GAD3R, Rui F RibeiroSep 2 '17 at 17:52
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Intel Pcie Controller Driver X16 1901 Driver Windows 7
- 'Questions describing a problem that can't be reproduced and seemingly went away on its own (or went away when a typo was fixed) are off-topic as they are unlikely to help future readers.' – Jeff Schaller, Stephen Rauch, Satō Katsura, GAD3R, Rui F Ribeiro
Intel Pcie Controller Driver X16 1901 Drivers
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I solved it by putting modules in /etc/initramfs-tools/modules. Because right now vfio-pci loads after nouveau already claimed GPU.