++ dev@dpdk.org

From: Maxime Coquelin <maxime.coquelin@redhat.com>
Date: Tuesday, November 15, 2022 at 3:19 AM
To: Sampath Peechu (speechu) <speechu@cisco.com>, chenbo.xia@intel.com <chenbo.xia@intel.com>
Cc: Roger Melton (rmelton) <rmelton@cisco.com>
Subject: Re: Commit broke 32-bit testpmd app

Hi Sampath,


Please add dev@dpdk.org, the upstream mailing list, if this is related
to the upstream DPDK project.If it is using RHEL DPDK package, please
use the appropriate support channels.

On 11/14/22 23:55, Sampath Peechu (speechu) wrote:
> Hi Virtio Maintainers team,
>
> This email is regarding the following commit.
>
> https://github.com/DPDK/dpdk/commit/ba55c94a7ebc386d2288d6578ed57aad6cb92657 <https://github.com/DPDK/dpdk/commit/ba55c94a7ebc386d2288d6578ed57aad6cb92657>
>
> The above commit appears to have broken the 32-bit testpmd app (and
> consequently impacted one of our products that runs as a 32-bit DPDK
> app). The 64-bit testpmd app does not appear to be impacted though.

We'll need some logs to understand what is going on.
Does it happen with virtio-pci or virtio-user?

Regards,
Maxime

> With the commit in place, we didn’t see any packets going through at
> all. After backing out the commit and rebuilding the 32-bit testpmd app
> in our test setup, we were able to pass traffic as expected.
>
> Could you please let us know if this is a known issue? And if there is a
> fix available for it?
>
> Thank you,
>
> Sampath Peechu
>
> Cisco Systems
>