From: bugzilla@dpdk.org
To: dev@dpdk.org
Subject: [DPDK/ethdev Bug 1732] E830 Tx packet pacing support causing seg fault on E810
Date: Thu, 26 Jun 2025 19:13:40 +0000 [thread overview]
Message-ID: <bug-1732-3@https.bugs.dpdk.org/> (raw)
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https://bugs.dpdk.org/show_bug.cgi?id=1732
Bug ID: 1732
Summary: E830 Tx packet pacing support causing seg fault on
E810
Product: DPDK
Version: 25.03
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: ethdev
Assignee: dev@dpdk.org
Reporter: mmahajan@iol.unh.edu
Target Milestone: ---
Hello,
A new patch was committed to dpdk-next-net-intel a few days ago, and since then
our Intel E810 100G forwarding performance test has not been running because
testpmd is segfaulting on startup.
The patch that introduced the issue is: "net/intel: add Tx packet pacing
support for E830" (commit ID: fd8ef1fc471f7eef6b103ece65f00de655f13ed4). It was
authored by Soumyadeep Hore and merged into dpdk-next-net-intel on 2025-06-23.
EAL:
build/app/dpdk-testpmd \
-l 4-5 -n 4 \
--file-prefix=dpdk_179921_20250626115614 \
-a 0000:4b:00.0 -a 0000:4b:00.1 \
-- -i \
--portmask=0x3 \
--rxq=1 \
--txq=1 \
--port-topology=loop \
--txd=512 \
--rxd=512 \
--nb-cores=1
EAL: Detected CPU lcores: 128
EAL: Detected NUMA nodes: 2
EAL: Detected static linkage of DPDK
EAL: Multi-process socket /var/run/dpdk/dpdk_179921_20250626115614/mp_socket
EAL: Selected IOVA mode 'VA'
EAL: VFIO support initialized
EAL: Using IOMMU type 1 (Type 1)
ICE_INIT: ice_load_pkg_type(): Active package is: 1.3.39.1, ICE OS Default
Package (double VLAN mode)
ICE_INIT: ice_load_pkg_type(): Active package is: 1.3.39.1, ICE OS Default
Package (double VLAN mode)
Interactive-mode selected
testpmd: create a new mbuf pool <mb_pool_0>: n=155456, size=2176, socket=0
testpmd: preferred mempool ops selected: ring_mp_mc
Configuring Port 0 (socket 0)
Segmentation fault (core dumped)
NIC info:
Intel Corporation Ethernet Controller E810-C for QSFP
ethtool:
driver: ice
version: 5.15.0-142-generic
firmware-version: 4.80 0x80020543 1.3805.0
bus-info: 0000:4b:00.0
Ice version: 1.3.39.1
OS: Ubuntu VERSION="22.04.3 LTS (Jammy Jellyfish)"
Arch: x86
CPU: Intel(R) Xeon(R) Platinum 8360Y CPU @ 2.40GHz
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