Namost... az a nagy helyzet
a default kernel parameterekkel ezek az IOMMU csoportok vannak:
IOMMU Group 14:
01:00.0 Co-processor [0b40]: Intel Corporation Atom Processor C3000 Series QuickAssist Technology [8086:19e2] (rev 11)
IOMMU Group 15:
02:00.0 VGA compatible controller [0300]: NVIDIA Corporation GK208 [GeForce GT 710B] [10de:128b] (rev a1)
02:00.1 Audio device [0403]: NVIDIA Corporation GK208 HDMI/DP Audio Controller [10de:0e0f] (rev a1)
IOMMU Group 16:
04:00.0 PCI bridge [0604]: ASPEED Technology, Inc. AST1150 PCI-to-PCI Bridge [1a03:1150] (rev 03)
05:00.0 VGA compatible controller [0300]: ASPEED Technology, Inc. ASPEED Graphics Family [1a03:2000] (rev 30)
, ami teljesen jol nez ki, de igy sehogysem megy a GPU passthrough...
...de amint aktivalom a "pcie_acs_override=downstream,multifunction" kernel parametert:
IOMMU Group 14:
01:00.0 Co-processor [0b40]: Intel Corporation Atom Processor C3000 Series QuickAssist Technology [8086:19e2] (rev 11)
IOMMU Group 15:
02:00.0 VGA compatible controller [0300]: NVIDIA Corporation GK208 [GeForce GT 710B] [10de:128b] (rev a1)
IOMMU Group 16:
02:00.1 Audio device [0403]: NVIDIA Corporation GK208 HDMI/DP Audio Controller [10de:0e0f] (rev a1)
IOMMU Group 17:
04:00.0 PCI bridge [0604]: ASPEED Technology, Inc. AST1150 PCI-to-PCI Bridge [1a03:1150] (rev 03)
05:00.0 VGA compatible controller [0300]: ASPEED Technology, Inc. ASPEED Graphics Family [1a03:2000] (rev 30)
es igy siman f@szaul megy a grafikus kartya a VM-ben.
Valakinek valami otlet? [Ha mas nem marad, akkor megy vissza debian es patchelem a kernelt az ACS-sel]