URL: <https://savannah.nongnu.org/support/?111112>
Summary: LWIP assert "pbuf_free: p->ref > 0" and
"tcpip_thread: Invalid message" reported
Group: Savannah Administration
Submitter: kuldeepp
Submitted: Wed 28 Aug 2024 07:45:15 AM UTC
Category: Savannah trackers - bugs, tasks, etc.
Priority: 5 - Normal
Severity: 3 - Normal
Status: None
Privacy: Public
Assigned to: None
Originator Email:
Operating System: None
Open/Closed: Open
Discussion Lock: Any
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Follow-up Comments:
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Date: Wed 28 Aug 2024 07:45:15 AM UTC By: Kuldeep Siddheshwar Patil <kuldeepp>
Currently, we are using lwip 2.2.0 version. We are runing basic ethernet
features such as iperf, mqtt, long ping together to test endurance. But we
observed that lwip assert is reported "pbuf_free: p->ref > 0" and
"tcpip_thread: Invalid message".
The current configuration we are using are below,
PBUF_POOL_SIZE = 40
MEM_SIZE = 40 * 1024
LOCK_TCPIP_CORE() TCPIP core locking is enabled
MEMP_OVERFLOW_CHECK = 0
LWIP_TCPIP_CORE_LOCKING_INPUT =0
TCPIP_MBOX_SIZE = 32
When I investigated I found that, (netif->input( p, netif) != ERR_OK) this
condition is satisfied. but don't know the root cause of that. Request you to
please provide your input and if required more information for debug let me
know. Thanks in advance.
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