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From: Thomas Monjalon <thomas@monjalon.net>
To: Hui Ling <kelvin.brookletling@gmail.com>
Cc: users@dpdk.org, ophirmu@mellanox.com
Date: Tue, 19 Dec 2017 17:22:29 +0100
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Subject: Re: [dpdk-users] DPDK mlx4 PMD on Azure VM
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19/12/2017 08:14, Hui Ling:
> I installed DPDK 17.11 on Ubuntu 16.04. And I downloaded MLNX OFED
> 4.2-1.2.0.0 and installed up-stream libs with
> ./mlnxofedinstall --guest --dpdk --upstream-libs
> 
> MLX4 PMD in DPDK doesn't seem to work with lib from ubuntu repository
> and install OFED allows me to compile DPDK mlx4 PMD without any
> compilation problem.
> 
> Then I tried to see if the mlx4 PMD works or not by running:
> 
> root@myVM:
> ./build/app/testpmd -l 1-2 -n 4 -w 0003:00:02.0 -w 0004:00:02.0 --
> --rxq=2 --txq=2 -i
[...]
> Configuring Port 0 (socket 0)
> PMD: mlx4_rxq.c:811: mlx4_rx_queue_setup(): 0xde0740: MR creation
> failure: Operation not permitted

[...]
> I also tried to run DPDK 17.11 on Ubuntu 17.10. It didn't work either.
> the testpmd hangs during "configuring Port 0" forever.

So you see 2 different errors on Ubuntu 16.04 and 17.10.
What are the Linux kernel versions?

> Can someone from MS or Mellanox help me figure out why? and how to
> make mlx4 PMD work on Azure VM?

Mellanox will support you.