[dpdk-users] issues with dpdk-pdump

[Gowrishankar Muthukrishnan]

On 10/19/2018 03:04 AM, Srinivas Kotamarti wrote:
> Hello,
>
> I want to use dpdk-pdump for packet capture. As explained in the http://doc.dpdk.org/guides/tools/pdump.html http://doc.dpdk.org/guides/prog_guide/pdump_lib.html I have compiled the DPDK with CONFIG_RTE_LIBRTE_PMD_PCAP=y and  modified my application to initialize the pdump PMD by calling the rte_pdump_init()
>
> I am invoking the dpdk-pdump as follows
>
> /opt/thoroughbred/dpdk/tools/dpdk-pdump --  --pdump 'port=0, queue=*, rx-dev=/boot/partitions/storage/tosfp-pt-dpdk-untrack-fail-00rxtx.01none.02none.03none.pcapng, tx-dev=/boot/partitions/storage/tosfp-pt-dpdk-untrack-fail-00rxtx.01none.02none.03none.pcapng' &
>
> It crashes with the following trace
>
> EAL: Detected 7 lcore(s)
> EAL: Detected 1 NUMA nodes
> PANIC in rte_eal_config_attach():
> Cannot open '/var/run/.rte_config' for rte_mem_config
Did you check this file exists, before you tried dpdk-pdump (secondary
process) ? It is mandatory to start your app first and then run pdump.
> 6: [/opt/thoroughbred/dpdk/tools/dpdk-pdump() [0x464e51]]
> 5: [/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7f801e50eb45]]
> 4: [/opt/thoroughbred/dpdk/tools/dpdk-pdump(main+0xeb) [0x45d43b]]
> 3: [/opt/thoroughbred/dpdk/tools/dpdk-pdump(rte_eal_init+0xde7) [0x4d2527]]
> 2: [/opt/thoroughbred/dpdk/tools/dpdk-pdump(__rte_panic+0xba) [0x45524d]]
> 1: [/opt/thoroughbred/dpdk/tools/dpdk-pdump(rte_dump_stack+0x18) [0x4dc928]]
>
>
> What am I doing wrong?
>
> Thanks
>
> --Srinias

-- 
Regards,
Gowrishankar M
gmuthukr at redhat.com