TRex v2.79, v3.04 failed with ERROR in DPDK map Could not find requested interface on E810 Cards

[khasimgithub123]

Hi All,

I have tried running NFVbench (Data plane performance analyzer tool), which uses Trex V2.79 as traffic generator. The TRex fails with ERROR in DPDK map - Could not find requested interface on E810 NIC Cards.
The error output says that the dpdk_nic_bind.py binds the PCI ids to vfio-pci driver, but fails with DPDK map.

Below is the error when TRex v2.79 is used as traffic generator:
[root@marina v2.79]# ./t-rex-64 -i
Starting Scapy server.... Scapy server is started
Trying to bind to vfio-pci ...
/usr/bin/python dpdk_nic_bind.py --bind=vfio-pci 0000:4d:00.0 0000:4d:00.1
The ports are bound/configured.
Starting TRex v2.79 please wait ...
ERROR in DPDK map
Could not find requested interface 0000:4d:00.0
Killing Scapy server... Scapy server is killed

Below is the error when TRex v3.04 is used as traffic generator:
[root@marina v3.04]# ./t-rex-64 -i
Starting Scapy server.... Scapy server is started
The ports are bound/configured.
Starting TRex v3.04 please wait ...
ice_load_pkg(): failed to search file path

ice_dev_init(): Failed to load the DDP package,Use safe-mode-support=1 to enter Safe Mode
EAL: Requested device 0000:4d:00.0 cannot be used
ice_load_pkg(): failed to search file path

ice_dev_init(): Failed to load the DDP package,Use safe-mode-support=1 to enter Safe Mode
EAL: Requested device 0000:4d:00.1 cannot be used
EAL: Bus (pci) probe failed.
ERROR in DPDK map
Could not find requested interface 0000:4d:00.0
Killing Scapy server... Scapy server is killed
[root@marina v3.04]#

We are running TRex on RHEL 9 Distribution:
OS distrubution details:
[root@marina ~]# cat /etc/redhat-release
Red Hat Enterprise Linux release 9.2 (Plow)
[root@marina ~]#