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i am trying to run fastcapa (metron project) on VM(ubuntu20.04) with dpdk and librdkafka installed and built. but when i run this commande i got this error: cmnd: sudo ./fastca pa -c 0x0f -n 1 --huge-dir /mnt/huge_1GB -- -p 0x00 -t pcap -c /etc/project/metr on/metron-sensors/fastcapa/conf/fastcapa.conf error:

EAL: Detected 4 lcore(s)
EAL: Probing VFIO support...
EAL: VFIO support initialized
EAL: PCI device 0000:03:00.0 on NUMA socket -1
EAL:   Invalid NUMA socket, default to 0
EAL:   probe driver: 15ad:7b0 net_vmxnet3
EAL: PCI device 0000:0b:00.0 on NUMA socket -1
EAL:   Invalid NUMA socket, default to 0
EAL:   probe driver: 15ad:7b0 net_vmxnet3
EAL: PCI device 0000:13:00.0 on NUMA socket -1
EAL:   Invalid NUMA socket, default to 0
EAL:   probe driver: 15ad:7b0 net_vmxnet3
[ -p PORT_MASK ] defined as -1
[ -b RX_BURST_SIZE ] defined as 32
[ -w TX_BURST_SIZE ] defined as 256
[ -d NB_RX_DESC ] defined as 1024
[ -x TX_RING_SIZE ] defined as 2048
[ -q NB_RX_QUEUE ] defined as 1
[ -t KAFKA_TOPIC ] defined as pcap
[ -c KAFKA_CONFIG ] defined as /etc/project/metron/metron-sensors/fastcapa/conf/                                                                                                                                  fastcapa.conf
[ -s KAFKA_STATS ] defined as (null)
[ NUM_RX_WORKERS ] defined as 1
[ NUM_TX_WORKERS ] defined as 2
USER1: config[kafka-global]: metadata.broker.list = localhost:9092
USER1: config[kafka-global]: client.id = fastcapa
USER1: config[kafka-global]: batch.num.messages = 500000
USER1: config[kafka-global]: queue.buffering.max.messages = 5000000
USER1: config[kafka-global]: metadata.broker.list = localhost:9092
USER1: config[kafka-global]: client.id = fastcapa
USER1: config[kafka-global]: batch.num.messages = 500000
USER1: config[kafka-global]: queue.buffering.max.messages = 5000000
%3|1614601657.361|FAIL|fastcapa#producer-2| [thrd:localhost:9092/bootstrap]: loc                                                                                                                                  alhost:9092/bootstrap: Connect to ipv4#127.0.0.1:9092 failed: Connection refused
%3|1614601657.361|FAIL|fastcapa#producer-1| [thrd:localhost:9092/bootstrap]: loc                                                                                                                                  alhost:9092/bootstrap: Connect to ipv4#127.0.0.1:9092 failed: Connection refused

USER1: Initializing port 0
EAL: Error - exiting with code: 1
  Cause: Cannot setup TX queue; port=0, err=Invalid argument

can someone help to solve this issue. thank you.

refka ben marzouk
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  • Show your conf file... `port=0, err=Invalid argument` seems self-explanatory... Plus, is Kafka actually running? – OneCricketeer Mar 01 '21 at 15:50
  • @refkabenmarzouk in your applciation the arguemtn is passed as `-p 0x00 `. This stands for no ports. Ideally the application should check for `rte_eth_dev_count_avail() & portmask != 0` then proceed for initialization, but as per your logs it does not. SO please fix your port mask and try again. – Vipin Varghese Mar 01 '21 at 23:44

1 Answers1

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As per metron github link, the sample command suggested is

fastcapa -c 0x03 --huge-dir /mnt/huge_1GB -- -p 0x01 -t pcap -c /etc/fastcapa.conf

where the port mask is set as -p 0x01. In your current application run the port maks is set as zero.

Vipin Varghese
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  • thnx for help the problem was in nic.c code. i fixed this issue, it sends the messages but throws errors while starting : kafka client error; conn=fastcapa#producer-1, error=Local: Broker transport failure [localhost:9092/bootstrap: Connect to ipv4#127.0.0.1:9092 failed: Connection refused] – refka ben marzouk Mar 02 '21 at 11:39
  • Happy to hear you were able to solve the issue., not sure why poirt mak is `-p 0x0` was set to 0. – Vipin Varghese Mar 02 '21 at 11:50
  • it's not a probelm since port 0 is used as default so i can put it 0x00 or 0x01 – refka ben marzouk Mar 02 '21 at 11:53