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charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Hi Maxime, Did you get a chance to look into this? Please let me know if you need anything else. Thanks, Sampath From: Sampath Peechu (speechu) Date: Wednesday, November 23, 2022 at 5:15 PM To: Maxime Coquelin , chenbo.xia@intel.com , dev@dpdk.org Cc: Roger Melton (rmelton) Subject: Re: Commit broke 32-bit testpmd app Hi Maxime, I=92m attaching the following for reference. * Instructions for Centos8 test setup * Diffs between the working and non-working versions (working version h= as the problem commit backed out) * Working logs (stats show that ping packets from neighbor VM can be se= en with both 64-bit and 32-bit apps) * Non-working logs (stats show that ping packets from neighbor VM are s= een with 64-bit app but NOT seen with 32-bit app) =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D $ sudo ./usertools/dpdk-devbind.py --status Network devices using DPDK-compatible driver =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D 0000:07:00.0 'Virtio network device 1041' drv=3Digb_uio unused=3D 0000:08:00.0 'Virtio network device 1041' drv=3Digb_uio unused=3D Network devices using kernel driver =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D 0000:01:00.0 'Virtio network device 1041' if=3Denp1s0 drv=3Dvirtio-pci unus= ed=3Digb_uio *Active* =85 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D Thanks, Sampath From: Maxime Coquelin Date: Tuesday, November 22, 2022 at 4:24 AM To: Sampath Peechu (speechu) , chenbo.xia@intel.com , dev@dpdk.org Cc: Roger Melton (rmelton) Subject: Re: Commit broke 32-bit testpmd app 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 > > *From: *Maxime Coquelin > *Date: *Tuesday, November 15, 2022 at 3:19 AM > *To: *Sampath Peechu (speechu) , chenbo.xia@intel.com > > *Cc: *Roger Melton (rmelton) > *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/ba55c94a7ebc386d2288d6578ed57aad6cb92= 657 > > > > > 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=92t see any packets going through at > > all. After backing out the commit and rebuilding the 32-bit testpmd ap= p > > 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 > > > --_000_MN2PR11MB4581BCFFA0FD8FF9B128F35EBD1B9MN2PR11MB4581namp_ Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable

Hi Maxime,

 

Did you get a chance to look into this?

 

Please let me know if you need anything else.

 

Thanks,

Sampath

 

From: Sampath Peechu (spe= echu) <speechu@cisco.com>
Date: Wednesday, November 23, 2022 at 5:15 PM
To: Maxime Coquelin <maxime.coquelin@redhat.com>, chenbo.xia@i= ntel.com <chenbo.xia@intel.com>, dev@dpdk.org <dev@dpdk.org> Cc: Roger Melton (rmelton) <rmelton@cisco.com>
Subject: Re: Commit broke 32-bit testpmd app

Hi Maxime,

 

I=92m attaching the following for reference.

 

  • Instructions for Centos8 test setup
  • Diffs betwee= n the working and non-working versions (working version has the problem com= mit backed out)
  • Working logs (stats show that ping pac= kets from neighbor VM can be seen with both 64-bit and 32-bit apps)
  • Non-working logs (stats show that ping packets from neighbor = VM are seen with 64-bit app but NOT seen with 32-bit app)

    •  

     

    =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

     

    $ sudo ./usertools/dpdk-devbind.py --status

     

    Network devices using DPDK-compatible driver

    =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D

    0000:07:00.0 'Virtio network device 1041' drv=3Digb_= uio unused=3D

    0000:08:00.0 'Virtio network device 1041' drv=3Digb_= uio unused=3D

     

    Network devices using kernel driver

    =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

    0000:01:00.0 'Virtio network device 1041' if=3Denp1s= 0 drv=3Dvirtio-pci unused=3Digb_uio *Active*

     

    =85

    =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

     

     

    Thanks,

    Sampath

     

     

     

    From: Maxime Coquelin <= ;maxime.coquelin@redhat.com>
    Date: Tuesday, November 22, 2022 at 4:24 AM
    To: Sampath Peechu (speechu) <speechu@cisco.com>, chenbo.xia@i= ntel.com <chenbo.xia@intel.com>, dev@dpdk.org <dev@dpdk.org> Cc: Roger Melton (rmelton) <rmelton@cisco.com>
    Subject: Re: Commit broke 32-bit testpmd app

    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.or= g>
    >
    > *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@i= ntel.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<= br> > 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/ba55c94a7ebc386d2288d6578ed57aad6cb9265= 7 <https://github.com/DPDK/dpdk/commit/ba55c94a7ebc386= d2288d6578ed57aad6cb92657> <https://github.com/DPDK/dpdk/commit/b= a55c94a7ebc386d2288d6578ed57aad6cb92657 <https://github.com/DPDK/dpdk/commit/ba55c94a7ebc386d2288= d6578ed57aad6cb92657>>
    >  >
    >  > 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=92t 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
    >  >
    >

--_000_MN2PR11MB4581BCFFA0FD8FF9B128F35EBD1B9MN2PR11MB4581namp_--