Hello!
"The best workaround if possible is to use a different NIC for eth0."
Can I ask u, please, explain with more words what I'm need to do ?
Thanks!
Stephen Hemminger писал 2022-08-10 16:55:
On Wed, 10 Aug 2022 16:52:39 +0300
sysman@scaled.cloud 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.
