Originally Posted by puchuu
I tried to load iommu=pt. kernel sayed just: "okay. IOMMU Initialized for Passthrough Mode" and than nothing about iommu but nvidia module throwed the same exception.
I disabled IOMMU in kernel and in bios - suddenly system system failed to recognize my keyboard and mouse (usb 3-4: device descriptor read/8, error -110).
I will try to make some experiments with iommu and nvidia module tomorrow than will write results here.
If anyone has expereince with this problem - please share it
Have you tried updating your mobo bios?