Re: [dpdk-users] error running two instances of pktgen

[Muhammad Zain-ul-Abideen <zain2294@gmail.com>]

On Thu, Jun 28, 2018 at 1:12 PM Stefano Salsano <stefano.salsano@uniroma2.it>
wrote:

> Il 2018-06-28 09:33, Muhammad Zain-ul-Abideen ha scritto:
> > Dear Stefano,
> > It clearly states in second para
> >
> > *"Setup if pktgen and your application you have to startup each one a
> > bit differently to make sure they share the resources like memory and
> > the ports. I will use two Pktgen running on the same machine, which just
> > means you have to setup your application as one of the applications.*"
> > You can do that use these cli arguments
> >
> > --proc-type auto
> >
>
> Dear Muhammad,
> thank you for your help!
>
> I've now tried to run
>
> sudo -E ./app/x86_64-native-linuxapp-gcc/pktgen -l 5-8 -n 3
> --file-prefix pg0 --proc-type auto -b 06:00.0 -- -P -m "1.0"
>
> and then
>
> sudo -E ./app/x86_64-native-linuxapp-gcc/pktgen -l 0-4 -n 3
> --file-prefix pg1 --proc-type auto -b 06:00.1 -- -P -m "1.0"
>
> but I keep receiving the same error (see below)
>
> in the output text I find for both cases:
> EAL: Auto-detected process type: PRIMARY
>
> so I tried to set --proc-type secondary in the second command
> I first received an error suggesting "It is recommended to disable ASLR
> in the kernel", which I did with  "echo 0 | sudo tee
> /proc/sys/kernel/randomize_va_space"
>
> now I receive the following error in the second command with --proc-type
> secondary
>
> EAL: Detected 32 lcore(s)
> EAL: Detected 2 NUMA nodes
> EAL: Multi-process socket /var/run/dpdk/pg1/mp_socket_12222_2a4c8375d5acf8
> EAL: failed to send to (/var/run/dpdk/pg1/mp_socket) due to Connection
> refused
> EAL: Fail to send request /var/run/dpdk/pg1/mp_socket:bus_vdev_mp
> vdev_scan(): Failed to request vdev from primary
> EAL: Probing VFIO support...
> EAL: Could not map memory from primary process
> EAL: FATAL: Cannot init memory
>
> EAL: Cannot init memory
>
> any further suggestion ?
>
> thank you
> Stefano
>
>
>
> -------------
> error with --proc-type auto
>
> Create: Default TX  0:0  - Memory used (MBUFs 16384 x (size 2176 + Hdr
> 128)) + 192 =  36865 KB, headroom 128
> !PANIC!: Cannot create mbuf pool (Default TX  0:0) port 0, queue 0,
> nb_mbufs 16384, socket_id 0: No such file or directory
> PANIC in pktgen_mbuf_pool_create():
> Cannot create mbuf pool (Default TX  0:0) port 0, queue 0, nb_mbufs
> 16384, socket_id 0: No such file or directory6:
> [./app/x86_64-native-linuxapp-gcc/pktgen(_start+0x29) [0x466139]]
> 5: [/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf0)
> [0x7fb5a4913830]]
> 4: [./app/x86_64-native-linuxapp-gcc/pktgen(main+0x598) [0x460388]]
> 3: [./app/x86_64-native-linuxapp-gcc/pktgen(pktgen_config_ports+0x18ad)
> [0x491aed]]
> 2: [./app/x86_64-native-linuxapp-gcc/pktgen(__rte_panic+0xc3) [0x45769b]]
> 1: [./app/x86_64-native-linuxapp-gcc/pktgen(rte_dump_stack+0x2b)
> [0x50aadb]]
> Aborted
>
>
>
>
> --
> *******************************************************************
> Stefano Salsano
> Professore Associato
> Dipartimento Ingegneria Elettronica
> Universita' di Roma Tor Vergata
> Viale Politecnico, 1 - 00133 Roma - ITALY
>
> http://netgroup.uniroma2.it/Stefano_Salsano/
>
> E-mail  : stefano.salsano@uniroma2.it
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> *******************************************************************
>
>