[dpdk-users] Issue moving to DPDK 20.11 release

[Sudharshan Krishnakumar]

Hi All,

Previously, I had DPDK-19.11 working fine on my server system, which runs
on Ubuntu 18.04.
Have a 4-Port 10 Gigabit Network card, with ports bound to use VFIO-PCI
driver.
But had to move to DPDK-20.11, and running into issues.

I installed on DPDK-20.11 on the server to /usr/local.

And did binding of ports using the dpdk-devbind script to use VFIO-PCI
driver.

But when running DPDK sample application such as->
dpdk-20.11/examples/packet_ordering,
noticed DPDK is NOT able to detect any available ports.
Getting error->  Cause: Error: no ethernet ports detected

Also when I pass parameter to block certain interfaces(Bus:Device.Function)
on a NIC, EAL throws an
Error-> EAL: failed to parse device "0000:31.00.0"

On the same system, using the same 10 Gigbit Network card, DPDK sample
applications were
working fine with older version of DPDK->19.11

Below, I have the output of commands:

~/dpdk-20.11$ sudo ./usertools/dpdk-devbind.py --status

Network devices using DPDK-compatible driver
============================================
0000:31:00.0 'Ethernet Controller X710 for 10GbE SFP+ 1572' drv=vfio-pci
unused=i40e
0000:31:00.1 'Ethernet Controller X710 for 10GbE SFP+ 1572' drv=vfio-pci
unused=i40e
0000:31:00.2 'Ethernet Controller X710 for 10GbE SFP+ 1572' drv=vfio-pci
unused=i40e
0000:31:00.3 'Ethernet Controller X710 for 10GbE SFP+ 1572' drv=vfio-pci
unused=i40e

Network devices using kernel driver
===================================
0000:01:00.0 'I210 Gigabit Network Connection 1533' if=enp1s0 drv=igb
unused=vfio-pci *Active*
0000:17:00.0 'Ethernet Controller 10G X550T 1563' if=ens6f0 drv=ixgbe
unused=vfio-pci *Active*
0000:17:00.1 'Ethernet Controller 10G X550T 1563' if=ens6f1 drv=ixgbe
unused=vfio-pci *Active*


cat /proc/meminfo | grep -i huge
AnonHugePages:      8192 kB
ShmemHugePages:        0 kB
HugePages_Total:    2048
HugePages_Free:     2048
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB

:~/dpdk-20.11/examples/packet_ordering$ sudo ./build/packet_ordering-shared
-l 4-6 -n 2 --log-level 7 -m 1024
--file-prefix packet_order -- -p 0xf --disable-reorder
EAL: Detected 72 lcore(s)
EAL: Detected 2 NUMA nodes
EAL: Multi-process socket /var/run/dpdk/packet_order/mp_socket
EAL: Selected IOVA mode 'VA'
EAL: No available hugepages reported in hugepages-1048576kB
EAL: Probing VFIO support...
EAL: VFIO support initialized
EAL: No legacy callbacks, legacy socket not created
reorder disabled
EAL: Error - exiting with code: 1
  Cause: Error: no ethernet ports detected

~/dpdk-20.11/examples/packet_ordering/build$ sudo ./packet_ordering -l 4-6
-n 2 --proc-type auto --log-level 7 -m 1024
--file-prefix packet_ordering -b 0000:31:00.0 -b 0000:31:00.1
-b 0000:05:00.0 -b 0000:06:00.0 -b 0000:07:00.0  -b 0000:08:00.0 -- -p 0xf
--disable-reorder
EAL: Detected 72 lcore(s)
EAL: Detected 2 NUMA nodes
EAL: Auto-detected process type: PRIMARY
EAL: failed to parse device "0000:31:00.0"
EAL: Unable to parse device '0000:31:00.0'
EAL: Error - exiting with code: 1
  Cause: Invalid EAL arguments


Please let me know, if you have any suggestions.


Thanks,

Sudha