dpdk-pdump cannot init tailq as secondary process

[Stephen Hemminger]

On Thu, 20 Apr 2023 12:18:15 +0000
postmaster <postmaster at ingenieur-high-tech.com> wrote:

> Hello
> 
> I follow what it is explained on that page
> 
> https://doc.dpdk.org/guides/tools/pdump.html
> 
> to call rte_pdump_init in my application (and checking the result, if not ok exit with failure), but once I ran dpdk-pdump I got
> 
> 
> dpdk-pdump  -l 9 -- --pdump 'port=0,queue=*,rx-dev=/tmp/rx.pcap'
> EAL: Detected CPU lcores: 24
> EAL: Detected NUMA nodes: 1
> EAL: Detected static linkage of DPDK
> EAL: Multi-process socket /var/run/dpdk/rte/mp_socket_1027261_2ca45105bcf34
> EAL: Selected IOVA mode 'PA'
> EAL: VFIO support initialized
> EAL: Cannot initialize tailq: RTE_FIB

Looks like pdump is not being run as a secondary process.
Try adding --proc-type secondary

Also, pdump is legacy application; please try dpdk-dumpcap instead.
Dumpcap supports more information, multiple interfaces, etc.