From: bugzilla@dpdk.org
To: dev@dpdk.org
Subject: [DPDK/core Bug 1942] Primary shutdown not caught by all secondaries
Date: Thu, 07 May 2026 03:12:18 +0000 [thread overview]
Message-ID: <bug-1942-3@http.bugs.dpdk.org/> (raw)
http://bugs.dpdk.org/show_bug.cgi?id=1942
Bug ID: 1942
Summary: Primary shutdown not caught by all secondaries
Product: DPDK
Version: 26.03
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: core
Assignee: dev@dpdk.org
Reporter: stephen@networkplumber.org
Target Milestone: ---
The fix to send message when primary exits was wrong approach.
It doesn't work with other applications like dumpcap, pdump or customer
applications.
This is shown by:
- run test pmd
- start dpdk dump (secondary)
- exit test pmd
The shutdown process hangs and eventually times out.
Primary: Sending 'stop_req' request to secondary...
EAL: Fail to recv reply for request
/var/run/dpdk/rte/mp_socket_130405_3692c058749:mp_testpmd
Stopping port 0...
Stopping ports...
Done
Shutting down port 0...
Closing ports...
Port 0 is closed
Done
And in dumpcap:
# ./build/app/dpdk-dumpcap
File: /tmp/dpdk-dumpcap_0_net_tap0_20260506195857.pcapng
Capturing on 'net_tap0'
Packets captured: 29 EAL: Cannot find action: mp_testpmd
Primary process is no longer active, exiting...
Testpmd should not assume secondary is testpmd!
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