netxduo dhcp+autoip+mdns instability

[ucayalifish]

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Describe the set-up

• The board (either ST RPN reference or your custom board)
• IDE or at least the compiler and its version

Describe the bug (skip if none)

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How to reproduce the bug (skip if none)

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2. List the modules that you suspect to be the cause of the problem (Drivers, BSP, MW...)
3. Describe the use case that generates the problem
4. How we can reproduce the problem

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Screenshots

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[ucayalifish]

on NUCLEO-STM32F429ZI board.

1. Starting DHCP;
2. DHCP failed with timeout;
3. Stopping DHCP;
4. Starting AUTO IP;
5. Obtaining link-local address;
6. Starting mDNS-SD;
7. Starting tcp server;
8. Registering tcp server in mDNS-SD;
9. Send load to tcp server;
10. After a few successful responses controller hangs in tx scheduler waiting for PendSV...