Re: [dpdk-dev] [dpdklab] Re: distributor test failure in UNH CI on ARM

[Lukasz Wojciechowski <l.wojciechow@partner.samsung.com>]

Hi All,

I was finally able to reproduce the issue, but on x86_64 machine with 32 
cores.

You can find a patch fixing it here:
https://inbox.dpdk.org/dev/20210119035910.8324-1-l.wojciechow@partner.samsung.com/T/#t


Best regards

Lukasz


W dniu 11.01.2021 o 15:19, Lincoln Lavoie pisze:
> Hi Jerin,
>
> There is a process for this defined.  A maintainer should open a BUG 
> for the CI lab, requesting specific tests or test cases be disabled, 
> as it's a known failure being worked on. Once the test is disabled, 
> the bug will be updated / assigned back to the maintainer, and should 
> not be closed until the issue is fixed and the test can be 
> re-enabled.  This is so we don't lose track of anything.
>
> Cheers,
> Lincoln
>
> On Mon, Jan 11, 2021 at 9:05 AM Jerin Jacob <jerinjacobk@gmail.com 
> <mailto:jerinjacobk@gmail.com>> wrote:
>
>
>
>     On Mon, Jan 11, 2021 at 7:28 PM Lincoln Lavoie
>     <lylavoie@iol.unh.edu <mailto:lylavoie@iol.unh.edu>> wrote:
>
>         Hi All,
>
>         How do you want us to handle this in the lab?  Can we pull /
>         disable this unit test from the arm system, ignore it from now
>         (if it's going to be fixed), disable the unit tests on arm for
>         now (while it's being fixed)?
>
>
>
>     Maybe it is better to have a "known issue" based skip mechanism to
>     address this in CI.
>
>
>         Cheers,
>         LIncoln
>
>         On Mon, Jan 11, 2021 at 8:54 AM Jerin Jacob
>         <jerinjacobk@gmail.com <mailto:jerinjacobk@gmail.com>> wrote:
>
>             On Mon, Jan 11, 2021 at 6:38 PM David Marchand
>             <david.marchand@redhat.com
>             <mailto:david.marchand@redhat.com>> wrote:
>             >
>             > Hey guys,
>             >
>             > On Mon, Jan 11, 2021 at 9:14 AM David Marchand
>             > <david.marchand@redhat.com
>             <mailto:david.marchand@redhat.com>> wrote:
>             > > UNH CI is raising failures on a ARM server for the
>             distributor test:
>             > >
>             https://lab.dpdk.org/results/dashboard/patchsets/15077/
>             <https://protect2.fireeye.com/v1/url?k=8a9fba02-d504834f-8a9e314d-0cc47aa8f5ba-6a770aebaf9cc635&q=1&e=342f3a9f-26e9-459f-b456-e4c0f24f9551&u=https%3A%2F%2Flab.dpdk.org%2Fresults%2Fdashboard%2Fpatchsets%2F15077%2F>
>             > >
>             > > Worker 59 handled 0 packets
>             > > Worker 60 handled 0 packets
>             > > Worker 61 handled 0 packets
>             > > Worker 62 handled 0 packets
>             > > Sanity test with non-zero hashes done
>             > > === testing big burst (burst) ===
>             > > line 258: Missing packets, expected 783
>             > > Test Failed
>             > > RTE>>
>             > > --- stderr ---
>             >
>             > Looking at the dashboard, I did not see a passing
>             instance of this
>             > unit test for ARM.
>             > Did it ever work?
>
>             No. There are a lot of sync barriers are missing in the
>             distributor library.
>             Since evendev is kind of replacing this library, we made
>             the fix as
>             low priority.
>
>
>
>             >
>             >
>             >
>             > --
>             > David Marchand
>             >
>
>
>
>         -- 
>         *Lincoln Lavoie*
>         Senior Engineer, Broadband Technologies
>         21 Madbury Rd., Ste. 100, Durham, NH 03824
>         lylavoie@iol.unh.edu <mailto:lylavoie@iol.unh.edu>
>         https://www.iol.unh.edu
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>         +1-603-674-2755 (m)
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>
>
>
> -- 
> *Lincoln Lavoie*
> Senior Engineer, Broadband Technologies
> 21 Madbury Rd., Ste. 100, Durham, NH 03824
> lylavoie@iol.unh.edu <mailto:lylavoie@iol.unh.edu>
> https://www.iol.unh.edu 
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-- 
Lukasz Wojciechowski
Principal Software Engineer

Samsung R&D Institute Poland
Samsung Electronics
Office +48 22 377 88 25
l.wojciechow@partner.samsung.com