[Bug 1116] Failsafe PMD: Crashes with multiple secondary processes

[Bug 1116] Failsafe PMD: Crashes with multiple secondary processes

[bugzilla]

https://bugs.dpdk.org/show_bug.cgi?id=1116

            Bug ID: 1116
           Summary: Failsafe PMD: Crashes with multiple secondary
                    processes
           Product: DPDK
           Version: 21.11
          Hardware: All
                OS: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: Normal
         Component: ethdev
          Assignee: dev@dpdk.org
          Reporter: madhuker.mythri@oracle.com
  Target Milestone: ---

On Hyper-V Linux VM's with failsafe/tap PMD crashes when we launch mutiple(two)
secondary processes.
Primary process able to launch well and then after when we launch secondary
processes, getting a crash on eal-intr-thread.


here are failure logs before crash:
====================
 EAL: Fail to recv reply for request
/var/run/dpdk/oracusbc/mp_socket:eal_dev_mp_request

 EAL: Cannot send request to primary

 EAL: Failed to send hotplug request to primary

 net_failsafe: Failed to probe devargs net_tap_vsc0{*}
===================

With DPDK-21.11 version.

Regards,
Madhuker.

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