[dpdk-dev] [Bug 757] fast-tests failures in an Ubuntu autopkgtest environment hash_autotest, per_lcore_autotest, rcu_qsbr_autotest, table_autotest

[dpdk-dev] [Bug 757] fast-tests failures in an Ubuntu autopkgtest environment hash_autotest, per_lcore_autotest, rcu_qsbr_autotest, table_autotest

[bugzilla]

https://bugs.dpdk.org/show_bug.cgi?id=757

            Bug ID: 757
           Summary: fast-tests failures in an Ubuntu autopkgtest
                    environment hash_autotest, per_lcore_autotest,
                    rcu_qsbr_autotest, table_autotest
           Product: DPDK
           Version: 20.11
          Hardware: All
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: other
          Assignee: dev@dpdk.org
          Reporter: christian.ehrhardt@canonical.com
  Target Milestone: ---

Hi,
as part of the CI we are running the fast-tests after every build in Debian and
Ubuntu [1][2][3]. As part of this we happened to see that in this environment
some issues occur.

This issue is about 4 tests which fail reliably in the Ubuntu autopkgtest
environment.

15/58 DPDK:fast-tests / hash_autotest            FAIL           0.47s (killed
by signal 6 SIGABRT)
22/58 DPDK:fast-tests / per_lcore_autotest       FAIL           0.22s (exit
status 255 or signal 127 SIGinvalid)
24/58 DPDK:fast-tests / rcu_qsbr_autotest        FAIL           0.33s (killed
by signal 6 SIGABRT)
36/58 DPDK:fast-tests / table_autotest           FAIL           1.21s (killed
by signal 9 SIGKILL)

Detailed logs are at [4][5][6].
Interstingly the very same tests in a rather similar environment in Dbeian do
not fail [7][8][9].
The difference might be the used compiler/toolchain versions and defaults.

[1]: https://packaging.ubuntu.com/html/auto-pkg-test.html
[2]: https://autopkgtest.ubuntu.com/
[3]: https://ci.debian.net/
[4]:
https://autopkgtest.ubuntu.com/results/autopkgtest-impish/impish/ppc64el/d/dpdk/20210712_095836_75b36@/log.gz
[5]:
https://autopkgtest.ubuntu.com/results/autopkgtest-impish/impish/amd64/d/dpdk/20210712_100606_75b36@/log.gz
[6]:
https://autopkgtest.ubuntu.com/results/autopkgtest-impish/impish/arm64/d/dpdk/20210712_100428_a7086@/log.gz
[7]:
https://ci.debian.net/data/autopkgtest/unstable/ppc64el/d/dpdk/13543407/log.gz
[8]:
https://ci.debian.net/data/autopkgtest/unstable/amd64/d/dpdk/13543196/log.gz
[9]:
https://ci.debian.net/data/autopkgtest/unstable/arm64/d/dpdk/13543256/log.gz

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