Ok you’re missing the kernel driver that DPDK needs to work on your host. Since 
Trex cannot find any suitable driver it tries to build one (hence make 
complaining ity can't find tools to recompile in the container).

http://doc.dpdk.org/guides/linux_gsg/linux_drivers.html

You have the choice of few drivers, we use vfio for nfvbench so you may want to 
install and try that one first.

  Alec


From: "Li, Charlie" <charlie...@amd.com>
Date: Monday, August 31, 2020 at 4:35 PM
To: "Alec Hothan (ahothan)" <ahot...@cisco.com>, 
"opnfv-tech-discuss@lists.opnfv.org" <opnfv-tech-discuss@lists.opnfv.org>
Subject: RE: [opnfv-tech-discuss] #nfvbench - Example of run fails


[AMD Public Use]

Hi Alec,

I am using Ubuntu 20.04.1 with kernel 5.4.0-42.

Hugepage is configured in the grub
$ grep HugePages_ /proc/meminfo
HugePages_Total:    4096
HugePages_Free:     4096
HugePages_Rsvd:        0
HugePages_Surp:        0

In the host, I can manually bind the devices to vfio-pci, but in the container, 
it cannot bind the devices to vfio-pci or igb_uio. Please see the logs in the 
attached file.

Regards,
Charlie Li

From: Alec Hothan (ahothan) <ahot...@cisco.com>
Sent: Monday, August 31, 2020 5:36 PM
To: Li, Charlie <charlie...@amd.com>; opnfv-tech-discuss@lists.opnfv.org
Subject: Re: [opnfv-tech-discuss] #nfvbench - Example of run fails

[CAUTION: External Email]
This likely indicates that Trex failed to start properly, possibly pci address 
issue or other dpdk related issue.
Can you check/share the trex config and  trex log which are  located inside the 
container at:

/etc/trex_cfg.yaml
/tmp/trex.log

(you can use docker cp or simply docker exec <nfvbench> cat /tmp/trex.log)

Make sure you have your server is set properly to run dpdk (you need huge pages 
configured).

  Alec




From: "Li, Charlie" <charlie...@amd.com<mailto:charlie...@amd.com>>
Date: Monday, August 31, 2020 at 3:07 PM
To: "Alec Hothan (ahothan)" <ahot...@cisco.com<mailto:ahot...@cisco.com>>, 
"opnfv-tech-discuss@lists.opnfv.org<mailto:opnfv-tech-discuss@lists.opnfv.org>" 
<opnfv-tech-discuss@lists.opnfv.org<mailto:opnfv-tech-discuss@lists.opnfv.org>>
Subject: RE: [opnfv-tech-discuss] #nfvbench - Example of run fails


[AMD Public Use]

Thanks Alec for your help.

Now I can start it but it fails to connect to the server.

$ nfvbench -c /tmp/nfvbench/nfvbench.cfg --rate 10kpps
2020-08-31 21:43:30,092 INFO Loading configuration file: 
/tmp/nfvbench/nfvbench.cfg
2020-08-31 21:43:30,101 INFO -c /tmp/nfvbench/nfvbench.cfg --rate 10kpps
2020-08-31 21:43:30,104 INFO Connecting to TRex (127.0.0.1)...
2020-08-31 21:43:33,175 INFO Starting TRex ...
2020-08-31 21:43:33,178 INFO nohup /bin/bash -c ./t-rex-64 -i -c 4 --iom 0 
--no-scapy-server --unbind-unused-ports --close-at-end  --vlan --hdrh 
--mbuf-factor 0.2 --cfg /etc/trex_cfg.yaml &> /tmp/trex.log & disown
2020-08-31 21:43:33,181 INFO TRex server is running...
nohup: ignoring input and appending output to 'nohup.out'
2020-08-31 21:43:37,189 INFO Retrying connection to TRex (*** [RPC] - Failed to 
get server response from tcp://127.0.0.1:4501)...
2020-08-31 21:43:41,196 INFO Retrying connection to TRex (*** [RPC] - Failed to 
get server response from tcp://127.0.0.1:4501)...
2020-08-31 21:43:45,203 INFO Retrying connection to TRex (*** [RPC] - Failed to 
get server response from tcp://127.0.0.1:4501)...

I tried to bind the devices to vfio-pci manually but it still cannot connect to 
the server.

Regards,
Charlie Li

From: Alec Hothan (ahothan) <ahot...@cisco.com<mailto:ahot...@cisco.com>>
Sent: Monday, August 31, 2020 1:45 PM
To: Li, Charlie <charlie...@amd.com<mailto:charlie...@amd.com>>; 
opnfv-tech-discuss@lists.opnfv.org<mailto:opnfv-tech-discuss@lists.opnfv.org>
Subject: Re: [opnfv-tech-discuss] #nfvbench - Example of run fails

[CAUTION: External Email]
Hi Charlie,

This is likely due to the file "/tmp/nfvbench/nfvbench.cfg" missing inside the 
container.
Can you check the following:

·         Check where you stored the nfvbench.cfg file on the host (the 
quickstart guide suggests to put the file under $HOME/nfvbench)

·         Check that that directory on host is mapped to /tmp/nfvbench in the 
container

To verify you can also try to cat that file from inside the container (docker 
exec <container name> cat /tmp/nfvbench/nfvbench.cfg)

For further interaction, you can continue on this email thread or you can join 
opnfv.slack.com #nfvbench if you prefer.


Thanks

Alec



From: 
<opnfv-tech-discuss@lists.opnfv.org<mailto:opnfv-tech-discuss@lists.opnfv.org>> 
on behalf of "Li, Charlie" <charlie...@amd.com<mailto:charlie...@amd.com>>
Date: Monday, August 31, 2020 at 9:59 AM
To: 
"opnfv-tech-discuss@lists.opnfv.org<mailto:opnfv-tech-discuss@lists.opnfv.org>" 
<opnfv-tech-discuss@lists.opnfv.org<mailto:opnfv-tech-discuss@lists.opnfv.org>>
Subject: [opnfv-tech-discuss] #nfvbench - Example of run fails


[AMD Public Use]

Hello,

I am new to NFVbench and is following the link below to get started
https://opnfv-nfvbench.readthedocs.io/en/latest/testing/user/userguide/quickstart_docker.html<https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fopnfv-nfvbench.readthedocs.io%2Fen%2Flatest%2Ftesting%2Fuser%2Fuserguide%2Fquickstart_docker.html&data=02%7C01%7CCharlie.Li%40amd.com%7Ca8b345a1f5134d2f91f508d84dfe3b03%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637345101599997618&sdata=Yh8wvZoPBaBXqCGaHLZbZvidWTg%2B%2BFQvqfG1TJ9x3vg%3D&reserved=0>

The NFVbench container is started successfully

$ nfvbench --version
4.3.1.dev4

But when I try the example of run, it fails

$ nfvbench -c /tmp/nfvbench/nfvbench.cfg --rate 10kpps
2020-08-27 20:10:45,424 INFO Loading configuration string: 
/tmp/nfvbench/nfvbench.cfg
2020-08-27 20:10:45,425 ERROR String /tmp/nfvbench/nfvbench.cfg is not well 
formatted. Please verify your yaml/json string. If string is a file path, file 
was not found. Please use correct path and verify it is visible to container if 
you run nfvbench in container.
2020-08-27 20:10:45,425 ERROR {'status': 'ERROR', 'error_message': 'Traceback 
(most recent call last):\n  File "/nfvbench/nfvbench/config.py", line 46, in 
config_loads\n    cfg = AttrDict(yaml.safe_load(cfg_text))\n  File 
"/usr/local/lib/python3.6/dist-packages/attrdict/dictionary.py", line 17, in 
__init__\n    super(AttrDict, self).__init__(*args, **kwargs)\nValueError: 
dictionary update sequence element #0 has length 1; 2 is required\n\nDuring 
handling of the above exception, another exception occurred:\n\nTraceback (most 
recent call last):\n  File "/nfvbench/nfvbench/nfvbench.py", line 611, in 
main\n    config = config_loads(opts.config, config, whitelist_keys)\n  File 
"/nfvbench/nfvbench/config.py", line 55, in config_loads\n    raise 
Exception(e)\nException: dictionary update sequence element #0 has length 1; 2 
is required\n'}
dictionary update sequence element #0 has length 1; 2 is required

The /tmp/nfvbench/nfvbench.cfg is cut and paste (OpenStack is not used and only 
PCIe addresses are modified)
traffic_generator:
    generator_profile:
        - name: trex-local
          tool: TRex
          ip: 127.0.0.1
          cores: 3
          software_mode: false
          interfaces:
            - port: 0
              pci: "04:00.0"
            - port: 1
              pci: "04:00.1"
          intf_speed:

Any help is appreciated.

Regards,
Charlie Li

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