[dpdk-dev] No probed ethernet devices with shared library

[dpdk-dev] No probed ethernet devices with shared library

[Stuart Andrews]

Hello,

I've been trying to create an app which uses the DPDK shared library and
therefore I have

CONFIG_RTE_BUILD_SHARED_LIB=y

However, when I try to run 'test-pmd' I get

EAL: No probed ethernet devices

This is strange because when I compile DPDK with
CONFIG_RTE_BUILD_SHARED_LIB=n and run 'test-pmd' everything works fine.

I'm using the IGB UIO module on a x86_64 Ubuntu OS running on a vm and I
set everything up according to the documentation.

Any help would be appreciated.

Re: [dpdk-dev] No probed ethernet devices with shared library

[Panu Matilainen]

On 05/18/2015 12:55 AM, Stuart Andrews wrote:
> Hello,
>
> I've been trying to create an app which uses the DPDK shared library and
> therefore I have
>
> CONFIG_RTE_BUILD_SHARED_LIB=y
>
> However, when I try to run 'test-pmd' I get
>
> EAL: No probed ethernet devices
>
> This is strange because when I compile DPDK with
> CONFIG_RTE_BUILD_SHARED_LIB=n and run 'test-pmd' everything works fine.
>
> I'm using the IGB UIO module on a x86_64 Ubuntu OS running on a vm and I
> set everything up according to the documentation.
>
> Any help would be appreciated.

When building as shared library, all the drivers are dynamically 
loadable plugins instead of the big pile o' everything you get when 
statically linking. For now, you need to manually load any drivers you 
need with the EAL -d option, eg if you use virtio NIC in the VM you'd 
add this to testpmd: -d librte_pmd_virtio_uio.so

And yes its cumbersome. Doing something about it has been on my todo for 
a while now, just been busy with other stuff.

	- Panu -