From: bugzilla@dpdk.org
To: dev@dpdk.org
Subject: [DPDK/ethdev Bug 1415] Calling rte_eth_bond_8023ad_dedicated_queues_enable() leads to exhaustion of the LACP packet pool
Date: Thu, 11 Apr 2024 16:50:28 +0000 [thread overview]
Message-ID: <bug-1415-3@http.bugs.dpdk.org/> (raw)
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https://bugs.dpdk.org/show_bug.cgi?id=1415
Bug ID: 1415
Summary: Calling rte_eth_bond_8023ad_dedicated_queues_enable()
leads to exhaustion of the LACP packet pool
Product: DPDK
Version: 23.11
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: ethdev
Assignee: dev@dpdk.org
Reporter: michel@digirati.com.br
Target Milestone: ---
When dedicated queues are enabled on a bond interface by calling
rte_eth_bond_8023ad_dedicated_queues_enable(), DPDK eventually starts
repeatedly loggin "tx_machine(580) - Failed to allocate LACP packet from pool".
According to the code of tx_machine(), this log entry means that the mbuf pool
created to send LACP packets (i.e. port->mbuf_pool) is exhausted.
The problem occurs about 10 minutes after my application (i.e.
https://github.com/AltraMayor/gatekeeper ) starts, and I can reproduce it with
one or two members in the bond interface. The problem does not occur if I
remove the call to rte_eth_bond_8023ad_dedicated_queues_enable().
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