From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 79A1B46B41; Fri, 11 Jul 2025 07:33:11 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 2069F402A9; Fri, 11 Jul 2025 07:33:11 +0200 (CEST) Received: from inbox.dpdk.org (inbox.dpdk.org [95.142.172.178]) by mails.dpdk.org (Postfix) with ESMTP id 170D940156 for ; Fri, 11 Jul 2025 07:33:09 +0200 (CEST) Received: by inbox.dpdk.org (Postfix, from userid 33) id 04B8946B42; Fri, 11 Jul 2025 07:33:08 +0200 (CEST) From: bugzilla@dpdk.org To: dev@dpdk.org Subject: [DPDK/examples Bug 1751] [dpdk24.07] multiprocess_symmetric_mp_packet: exiting the symmetric_mp example results in a core dump Date: Fri, 11 Jul 2025 05:33:08 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: DPDK X-Bugzilla-Component: examples X-Bugzilla-Version: 25.03 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: songx.jiale@intel.com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: Normal X-Bugzilla-Assigned-To: dev@dpdk.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter target_milestone Message-ID: Content-Type: multipart/alternative; boundary=17522119880.fab0.442705 Content-Transfer-Encoding: 7bit X-Bugzilla-URL: https://bugs.dpdk.org/ Auto-Submitted: auto-generated X-Auto-Response-Suppress: All MIME-Version: 1.0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org --17522119880.fab0.442705 Date: Fri, 11 Jul 2025 07:33:08 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.dpdk.org/ Auto-Submitted: auto-generated X-Auto-Response-Suppress: All https://bugs.dpdk.org/show_bug.cgi?id=3D1751 Bug ID: 1751 Summary: [dpdk24.07] multiprocess_symmetric_mp_packet: exiting the symmetric_mp example results in a core dump Product: DPDK Version: 25.03 Hardware: x86 OS: Linux Status: UNCONFIRMED Severity: normal Priority: Normal Component: examples Assignee: dev@dpdk.org Reporter: songx.jiale@intel.com Target Milestone: --- Environment =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D DPDK version: 9fe9c0b231c8da5435bfccb1963121b4277f961c version: dpdk25.07-r= c3 OS: Ubuntu 24.04.2 LTS/6.8.0-60-generic Compiler: gcc version 13.3.0 Hardware platform: Intel(R) Xeon(R) Platinum 8380 CPU @ 2.30GHz NIC hardware: Intel Corporation 82599ES 10-Gigabit SFI/SFP+ Network Connect= ion [8086:10fb] (rev 01) NIC firmware:=20 driver: vfio-pci kdriver: ixgbe-6.1.5 firmware-version: 0x000161bf Test Setup Steps to reproduce =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D 1. compile dpdk rm -rf x86_64-native-linuxapp-gcc CC=3Dgcc meson -Denable_kmods=3DFalse -Dlibdir=3Dlib -Dexamples=3D'multi_process/symmetric_mp' --default-library=3Dstatic x86_64-native-linuxapp-gcc ninja -C x86_64-native-linuxapp-gcc 2. bind port to vfio-pci ./usertools/dpdk-devbind.py -b vfio-pci 0000:b1:00.0 0000:b1:00.1 3. start testpmd the first process=EF=BC=9A x86_64-native-linuxapp-gcc/examples/dpdk-symmetric_mp -l 1 -n 4 -a 0000:b1:= 00.0 -a 0000:b1:00.1 --file-prefix=3Ddpdk_3722445_20250711093937 --proc-typ= e=3Dauto -- -p 0x3 --num-procs=3D2 --proc-id=3D0 the secondary process=EF=BC=9A x86_64-native-linuxapp-gcc/examples/dpdk-symmetric_mp -l 2 -n 4 -a 0000:b1:= 00.0 -a 0000:b1:00.1 --file-prefix=3Ddpdk_3722445_20250711093937 --proc-typ= e=3Dauto -- -p 0x3 --num-procs=3D2 --proc-id=3D1 4. exit the first process ^C Results:=20 =3D=3D=3D=3D=3D=3D=3D=3D ^C the first process=EF=BC=9A Exiting on signal 2Port 0: RX - 0, TX - 1, Drop = - 0 Port 1: RX - 1, TX - 0, Drop - 0 APP: Close ports. EAL: Error - exiting with code: 1 Error closing ports EAL: failed to send to (/var/run/dpdk/dpdk_3722445_20250711093937/mp_socket_794973_148a6526e3624d)= due to Bad file descriptor EAL: Fail to send request /var/run/dpdk/dpdk_3722445_20250711093937/mp_socket_794973_148a6526e3624d:m= p_malloc_sync EAL: Could not send sync request to secondary process=20 the secondary process=EF=BC=9A EAL: Detected CPU lcores: 80 EAL: Detected NUMA nodes: 2 EAL: Auto-detected process type: SECONDARY EAL: Detected static linkage of DPDK EAL: Multi-process socket /var/run/dpdk/dpdk_3722445_20250711093937/mp_socket_794279_148a2f16b62b59 EAL: Selected IOVA mode 'VA' EAL: VFIO support initialized EAL: Using IOMMU type 1 (Type 1) APP: Finished Process Init. Lcore 2 using ports 0 1 lcore 2 using queue 1 of each port Segmentation fault (core dumped) Expected Result: =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D exit the symmetric_mp example normally. bad commit: =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D commit 4382d58097b41d1e1229ce5fc2943994bf44bd83 Author: Maayan Kashani Date: Tue Jul 8 10:09:54 2025 +0300 examples/multi_process: fix ports cleanup on exit Device was started but not stopped on exit signal. Added port stop and close on exit. Fixes: af75078fece3 ("first public release") Cc: stable@dpdk.org Signed-off-by: Maayan Kashani Acked-by: Anatoly Burakov --=20 You are receiving this mail because: You are the assignee for the bug.= --17522119880.fab0.442705 Date: Fri, 11 Jul 2025 07:33:08 +0200 MIME-Version: 1.0 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.dpdk.org/ Auto-Submitted: auto-generated X-Auto-Response-Suppress: All
Bug ID 1751
Summary [dpdk24.07] multiprocess_symmetric_mp_packet: exiting the sym= metric_mp example results in a core dump
Product DPDK
Version 25.03
Hardware x86
OS Linux
Status UNCONFIRMED
Severity normal
Priority Normal
Component examples
Assignee dev@dpdk.org
Reporter songx.jiale@intel.com
Target Milestone --- 

Environment
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
DPDK version: 9fe9c0b231c8da5435bfccb1963121b4277f961c version: dpdk25.07-r=
c3
OS: Ubuntu 24.04.2 LTS/6.8.0-60-generic
Compiler:  gcc version 13.3.0
Hardware platform: Intel(R) Xeon(R) Platinum 8380 CPU @ 2.30GHz
NIC hardware: Intel Corporation 82599ES 10-Gigabit SFI/SFP+ Network Connect=
ion
[8086:10fb] (rev 01)
NIC firmware:=20
  driver: vfio-pci
  kdriver: ixgbe-6.1.5
  firmware-version: 0x000161bf

Test Setup
Steps to reproduce
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
1. compile dpdk
rm -rf x86_64-native-linuxapp-gcc
CC=3Dgcc meson -Denable_kmods=3DFalse -Dlibdir=3Dlib
-Dexamples=3D'multi_process/symmetric_mp' --default-library=3Dstatic
x86_64-native-linuxapp-gcc
ninja -C x86_64-native-linuxapp-gcc

2. bind port to vfio-pci
./usertools/dpdk-devbind.py -b vfio-pci 0000:b1:00.0 0000:b1:00.1

3. start testpmd
the first process=EF=BC=9A
x86_64-native-linuxapp-gcc/examples/dpdk-symmetric_mp -l 1 -n 4 -a 0000:b1:=
00.0
-a 0000:b1:00.1  --file-prefix=3Ddpdk_3722445_20250711093937     --proc-typ=
e=3Dauto
-- -p 0x3 --num-procs=3D2 --proc-id=3D0

the secondary process=EF=BC=9A
x86_64-native-linuxapp-gcc/examples/dpdk-symmetric_mp -l 2 -n 4 -a 0000:b1:=
00.0
-a 0000:b1:00.1  --file-prefix=3Ddpdk_3722445_20250711093937     --proc-typ=
e=3Dauto
-- -p 0x3 --num-procs=3D2 --proc-id=3D1

4. exit the first process
^C


Results:=20
=3D=3D=3D=3D=3D=3D=3D=3D
^C
the first process=EF=BC=9A Exiting on signal 2Port 0: RX - 0, TX - 1, Drop =
- 0
Port 1: RX - 1, TX - 0, Drop - 0
APP: Close ports.
EAL: Error - exiting with code: 1
Error closing ports
EAL: failed to send to
(/var/run/dpdk/dpdk_3722445_20250711093937/mp_socket_794973_148a6526e3624d)=
 due
to Bad file descriptor
EAL: Fail to send request
/var/run/dpdk/dpdk_3722445_20250711093937/mp_socket_794973_148a6526e3624d:m=
p_malloc_sync
EAL: Could not send sync request to secondary process=20

the secondary process=EF=BC=9A
EAL: Detected CPU lcores: 80
EAL: Detected NUMA nodes: 2
EAL: Auto-detected process type: SECONDARY
EAL: Detected static linkage of DPDK
EAL: Multi-process socket
/var/run/dpdk/dpdk_3722445_20250711093937/mp_socket_794279_148a2f16b62b59
EAL: Selected IOVA mode 'VA'
EAL: VFIO support initialized
EAL: Using IOMMU type 1 (Type 1)
APP: Finished Process Init.
Lcore 2 using ports 0 1
lcore 2 using queue 1 of each port
Segmentation fault (core dumped)

Expected Result:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
exit the symmetric_mp example normally.

bad commit:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
commit 4382d58097b41d1e1229ce5fc2943994bf44bd83
Author: Maayan Kashani <mkash=
ani@nvidia.com>
Date:   Tue Jul 8 10:09:54 2025 +0300

    examples/multi_process: fix ports cleanup on exit

    Device was started but not stopped on exit signal.
    Added port stop and close on exit.

    Fixes: af75078fece3 ("first public release")
    Cc: stable@dpdk.org

    Signed-off-by: Maayan Kashani <mkashani@nvidia.com>
    Acked-by: Anatoly Burakov <anatoly.burakov@intel.com>

You are receiving this mail because:
  • You are the assignee for the bug.
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