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Re: [vfio-users] VFIO not claiming device



On Fri, Apr 22, 2016 at 4:06 PM, Brett Peckinpaugh <erylflynn gmail com> wrote:
To start I am now running Arch with the VFIO kernel, I did not compile with the i915, my machine failed to boot with that last time.  Currently I can't seem to get VFIO to claim the devices I want to pass-through.  You can see kernel driver is still nvidia.  I added my configs below.  I even tried a script.  Every time I modify mkinitcpio.conf I regenerate my intramfd with mkinitcpio -p linux-vfio

What am I missing?

lspci -nnk -d 10de:1087
02:00.0 VGA compatible controller [0300]: NVIDIA Corporation GF110 [GeForce GTX 560 Ti 448 Cores] [10de:1087] (rev a1)
        Subsystem: NVIDIA Corporation Device [10de:0000]
        Kernel driver in use: nvidia
        Kernel modules: nouveau, nvidia_drm, nvidia


/etc/mkinitcpio.conf
MODULES="vfio vfio_iommu_type1 vfio_pci vfio_virqfd"
kernel boot options.
intel_iommu=on pcie_acs_override=downstream rd.driver.pre=vfio-pci

You're applying Fedora instructions to Arch, rd.driver.pre apparently doesn't do anything on Arch.  Look in the archive for the past couple weeks, I believe there are some working instructions there. 

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