Can a DPDK API like rte_eth_dev_set_mtu be called by a normal pthread

[Dmitry Kozlyuk]

2022-08-23 13:57 (UTC+0200), Antonio Di Bacco:
> Thank you, and what if the pthread is launched by a secondary DPDK
> process? Should rte_eth_dev_set_mtu be working ?
> Because I'm observing a crash.

Do you have a debug stack trace?
Does PMD that you use support setting MTU? Memif doesn't, for example.
Check for .mtu_set in struct eth_dev_ops filled in the PMD code.