On Wed, 26 May 2021 10:27:56 -0700 Sudharshan Krishnakumar <sudhar.ckris...@gmail.com> wrote:
> 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 By default, DPDK is now dynamically linked and all the drivers are in shared libraries. You need to pass the -d flag to indicate which library to load.