On Wed, 10 Aug 2022 16:52:39 +0300 [email protected] wrote: > Hello! > > I have built and deployed latest DPDK from the git, so: > > dpdk-devbind.py -s > > Network devices using DPDK-compatible driver > ============================================ > 0000:02:04.0 '82545EM Gigabit Ethernet Controller (Copper) 100f' > drv=vfio-pci unused=e1000 > 0000:02:05.0 '82545EM Gigabit Ethernet Controller (Copper) 100f' > drv=vfio-pci unused=e1000 > 0000:02:06.0 '82545EM Gigabit Ethernet Controller (Copper) 100f' > drv=vfio-pci unused=e1000 > 0000:02:07.0 '82545EM Gigabit Ethernet Controller (Copper) 100f' > drv=vfio-pci unused=e1000 > > Network devices using kernel driver > =================================== > 0000:02:01.0 '82545EM Gigabit Ethernet Controller (Copper) 100f' if=eth0 > drv=e1000 unused=vfio-pci *Active* > > > > ./ipv4_multicast > ... > EAL: 0000:02:04.0 VFIO group is not viable! Not all devices in IOMMU > group bound to VFIO or unbound > EAL: Requested device 0000:02:04.0 cannot be used > EAL: 0000:02:05.0 VFIO group is not viable! Not all devices in IOMMU > group bound to VFIO or unbound > EAL: Requested device 0000:02:05.0 cannot be used > EAL: 0000:02:06.0 VFIO group is not viable! Not all devices in IOMMU > group bound to VFIO or unbound > EAL: Requested device 0000:02:06.0 cannot be used > EAL: 0000:02:07.0 VFIO group is not viable! Not all devices in IOMMU > group bound to VFIO or unbound > EAL: Requested device 0000:02:07.0 cannot be used > ... > > > root@devuan4-sysman:~# readlink > "/sys/bus/pci/devices/0000:02:04.0/iommu_group" > ../../../../kernel/iommu_groups/5 > root@devuan4-sysman:~# readlink > "/sys/bus/pci/devices/0000:02:05.0/iommu_group" > ../../../../kernel/iommu_groups/5 > root@devuan4-sysman:~# readlink > "/sys/bus/pci/devices/0000:02:06.0/iommu_group" > ../../../../kernel/iommu_groups/5 > root@devuan4-sysman:~# readlink > "/sys/bus/pci/devices/0000:02:07.0/iommu_group" > ../../../../kernel/iommu_groups/5 > > > > Can someone, please, help me resolve this problem?
Can't really be fixed in software, the IOMMU groups come from the hardware. The best workaround if possible is to use a different NIC for eth0.
