[dpdk-dev] [Bug 742] intermittent func_reentrancy_autotest failures

[bugzilla at dpdk.org]

https://bugs.dpdk.org/show_bug.cgi?id=742

            Bug ID: 742
           Summary: intermittent func_reentrancy_autotest failures
           Product: DPDK
           Version: unspecified
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: core
          Assignee: dev at dpdk.org
          Reporter: aconole at bytheb.org
  Target Milestone: ---

In the UNH IOL we see intermittent failures from the func_reentrancy_autotest
which happen regardless of platform.

Sometimes the report looks like:

(from https://lab.dpdk.org/results/dashboard/patchsets/17321/)

27/93 DPDK:fast-tests / func_reentrancy_autotest       FAIL           3.08s
(exit status 255 or signal 127 SIGinvalid)

--- command ---
07:03:58 DPDK_TEST='func_reentrancy_autotest'
/home-local/jenkins-local/jenkins-agent/workspace/Arm-gigabyte-Unit-Test-DPDK/dpdk/build/app/test/dpdk-test
-l 0-63 --file-prefix=func_reentrancy_autotest
--- stdout ---
RTE>>func_reentrancy_autotest
Too many lcores, some cores will be disabled
Func-ReEnt CASE 0: eal init once PASS
Func-ReEnt CASE 1: ring create/lookup PASS
Func-ReEnt CASE 2: mempool create/lookup FAIL
Test Failed
RTE>>

Sometimes it looks like:

--- command ---
12:35:49 DPDK_TEST='func_reentrancy_autotest'
/home-local/jenkins-local/jenkins-agent/workspace/Generic-Unit-Test-DPDK/dpdk/build/app/test/dpdk-test
-l 0-15 --file-prefix=func_reentrancy_autotest
--- stdout ---
RTE>>func_reentrancy_autotest
--- stderr ---
EAL: Detected 16 lcore(s)
EAL: Detected 2 NUMA nodes
EAL: Detected static linkage of DPDK
EAL: Multi-process socket /var/run/dpdk/func_reentrancy_autotest/mp_socket
EAL: Selected IOVA mode 'PA'
EAL: No available 1048576 kB hugepages reported
EAL: VFIO support initialized
EAL:   Invalid NUMA socket, default to 0
APP: HPET is not enabled, using TSC as default timer
EAL: FATAL: already called initialization.
EAL: FATAL: already called initialization.
EAL: FATAL: already called initialization.
EAL: FATAL: already called initialization.
EAL: FATAL: already called initialization.
EAL: FATAL: already called initialization.
EAL: FATAL: already called initialization.
EAL: FATAL: already called initialization.
EAL: FATAL: already called initialization.
EAL: FATAL: already called initialization.
EAL: FATAL: already called initialization.
EAL: already called initialization.
EAL: FATAL: already called initialization.
EAL: FATAL: already called initialization.
EAL: already called initialization.
EAL: FATAL: already called initialization.
EAL: FATAL: already called initialization.
EAL: already called initialization.
EAL: already called initialization.
EAL: already called initialization.
EAL: already called initialization.
EAL: already called initialization.
EAL: already called initialization.
EAL: FATAL: already called initialization.
EAL: already called initialization.
EAL: already called initialization.
EAL: already called initialization.
EAL: already called initialization.
EAL: already called initialization.
EAL: already called initialization.
EAL: already called initialization.
EAL: already called initialization.
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
RING: Cannot reserve memory
-------

Probably there is some issue allocating memory but not enough information is
being captured.

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