DPDK22 issue: Unable to set more than 4 queues in Azure

[Stephen Hemminger]

On Mon, 26 Jun 2023 15:53:12 +0530
Nageswara Rao <nagpen75 at gmail.com> wrote:

> Yes, we are using vdev_netvsc. Native netvsc PMD we are observing issues in
> enabling multiple queues.
> Though we have 6 DPDK cores, unable to configure more than 4 queues.

Check with Long who now maintains the netvsc driver.

For tap, check the parameters of the kernel side tap device (with ethtool).
Also, it would help to see full debug log at startup.