How to solve huge-pages issue

[Pankaj Rodge]

I am getting below error

ERROR there is not enough huge-pages memory in your system EAL: Error - exiting with code: 1 Cause: Cannot init nodes mbuf pool nodes-13 Killing Scapy server... Scapy server is killed root@10:/opt/trex/trex-core/scripts# cat /proc/cmdline BOOT_IMAGE=/vmlinuz-4.15.0-140-generic root=/dev/mapper/ubuntu--vg-ubuntu--lv ro net.ifnames=0 biosdevname=0 quiet splash nomodeset nopku rootdelay=90 net.ifnames=1 biosdevname=0 transparent_hugepage=never nosmt kptr_restrict=2 cgroup.memory=nokmem intel_iommu=off numa_gpnodes=-1 hugepagesz=1G hugepages=61 isolcpus=0,1,2,3,4,5,6,7 root@10:/opt/trex/trex-core/scripts# free -h total used free shared buff/cache available Mem: 125G 65G 60G 15M 348M 60G Swap: 3.9G 0B 3.9G root@10:/opt/trex/trex-core/scripts# grep Huge /proc/meminfo AnonHugePages: 0 kB ShmemHugePages: 0 kB HugePages_Total: 2048 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB

Below is my Trex CFG

- version: 2

  interfaces: ['0c:00.0', '0b:00.0', '14:00.0', '13:00.0', '1c:00.0', '1b:00.0', '05:00.0', '04:00.0']

  port_bandwidth_gb : 50

  port_info:

      - ip: 1.1.1.201

        default_gw: 1.1.1.101

      - ip: 172.168.1.11

        default_gw: 172.168.1.1

      - ip: 1.1.2.201

        default_gw: 1.1.2.102

      - ip: 172.168.2.11

        default_gw: 172.168.2.1

      - ip: 1.1.3.201

        default_gw: 1.1.3.103

      - ip: 172.168.3.11

        default_gw: 172.168.3.1

      - ip: 1.1.4.201

        default_gw: 1.1.4.104

      - ip: 172.168.4.11

        default_gw: 172.168.4.1

  platform:

      master_thread_id: 0

      latency_thread_id: 1

      dual_if:

        - socket: 0

          threads: [2,3,4,5]

        - socket: 0

          threads: [6,7,8,9]

        - socket: 0

          threads: [10,11,12,13]

        - socket: 0

          threads: [14,15,16,17]

[Pim van Pelt]

Hoi Pankaj,

If there are not other applications using hugepages, you could try to remove the files (which perhaps a previous run of T-Rex didn't clean up?):

rm /dev/hugepages/*

groet,
Pim

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[Pankaj Rodge]

I tried but didn't solve the issue.

[Nagaraju Pallapothu]

try, the following line in /etc/trex-cfg.yaml

  low_end: true