Re: Commit broke 32-bit testpmd app

[Maxime Coquelin <maxime.coquelin@redhat.com>]

Hi,

In my initial reply (see below), I also asked if you had logs to share.
And wondered whether it happens with Virtio PCI or Virtio-user?

Regards,
Maxime

On 11/16/22 00:30, Sampath Peechu (speechu) wrote:
> ++ dev@dpdk.org <mailto: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> <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
>  >
>