> On Sep 3, 2018, at 3:40 PM, Tom Barbette <[email protected]> wrote:
>
> Hi all,
>
>
> I'm trying to use virtual devices (ring-based PMD, but the underlying system
> does not matter) between two DPDK processes.
>
>
> But when I launch the secondary process, I get "RING: Cannot reserve memory".
> I modified the message to get the rte_errno, which is 17, File exists. This
> also happens with testpmd.
Memory can not be allocated in the secondary process, but must request it from
the primary. Is this the problem?
>
>
> I'm using DPDK 18.08. Using the ring API directly works without any problem.
> But I'd like to use the vdev one to build functional tests.
>
>
> I tried with the TAP pmd, the device is not available in the secondary
> process (rte_eth_dev_count_avail() is 0).
>
>
> Thanks,
>
> Tom
Regards,
Keith
