[dpdk-users] Running DPDK on Google Cloud Compute Engine (GCE)

[Tan, Jianfeng]

Hi Rex,


On 9/14/2017 6:53 AM, Rex Shang wrote:
> Hi all
>
> Just wondering if anyone has successfully have DPDK running on VM inside Google Cloud.  I’ve tried similar set up on my Mac Book Pro with Virtual Box and had success.  Using similar recipe, I can’t have testpmd pass the initialization.  Before I spend too much time, just wondering if I am working on mission impossible.  ;)  Your input is greatly appreciated.
>
> Here is my setup:
> Google Cloud Compute Engine
> 4 vCore with 8 GB of memory
> Ubuntu 16.04 LTS
> 3 NIC with 2 used for DPDK (driver: net_virtio); I am a bit doubtful about this NIC but so far the NIC is up with “igb_uio"
>
> Rex
>
> ------------
>
> EAL: Detected 4 lcore(s)
> EAL: No free hugepages reported in hugepages-1048576kB
> EAL: Probing VFIO support...
> EAL: VFIO support initialized
> EAL: PCI device 0000:00:04.0 on NUMA socket -1
> EAL:   Invalid NUMA socket, default to 0
> EAL:   probe driver: 1af4:1000 net_virtio
> EAL: PCI device 0000:00:05.0 on NUMA socket -1
> EAL:   Invalid NUMA socket, default to 0
> EAL:   probe driver: 1af4:1000 net_virtio
> EAL: PCI device 0000:00:06.0 on NUMA socket -1
> EAL:   Invalid NUMA socket, default to 0
> EAL:   probe driver: 1af4:1000 net_virtio
> Interactive-mode selected
> USER1: create a new mbuf pool <mbuf_pool_socket_0>: n=163456, size=2176, socket=0
> Configuring Port 0 (socket 0)
> Fail to configure port 0
> EAL: Error - exiting with code: 1
>    Cause: Start ports failed

When you start testpmd, please make sure the option, --disable-hw-vlan, 
is added.

Besides, you can apply the below patch to enable the debug mode of 
virtio to see what's wrong:

diff --git a/config/common_base b/config/common_base
index 5e97a08..5863203 100644
--- a/config/common_base
+++ b/config/common_base
@@ -328,10 +328,10 @@ CONFIG_RTE_LIBRTE_DPAA2_DEBUG_TX_FREE=n
  # Compile burst-oriented VIRTIO PMD driver
  #
  CONFIG_RTE_LIBRTE_VIRTIO_PMD=y
-CONFIG_RTE_LIBRTE_VIRTIO_DEBUG_INIT=n
-CONFIG_RTE_LIBRTE_VIRTIO_DEBUG_RX=n
-CONFIG_RTE_LIBRTE_VIRTIO_DEBUG_TX=n
-CONFIG_RTE_LIBRTE_VIRTIO_DEBUG_DRIVER=n
+CONFIG_RTE_LIBRTE_VIRTIO_DEBUG_INIT=y
+CONFIG_RTE_LIBRTE_VIRTIO_DEBUG_RX=y
+CONFIG_RTE_LIBRTE_VIRTIO_DEBUG_TX=y
+CONFIG_RTE_LIBRTE_VIRTIO_DEBUG_DRIVER=y
  CONFIG_RTE_LIBRTE_VIRTIO_DEBUG_DUMP=n

  #