Re: [dpdk-dev] Need help on dpdk packet-generator

["Wiles, Keith" <keith.wiles@intel.com>]

> On Jul 17, 2017, at 1:14 AM, harshavardhan Reddy <hvreddy1110@gmail.com> wrote:
> 
> EAL: No free hugepages reported in hugepages-1048576kB
> EAL: No free hugepages reported in hugepages-2048kB
> PANIC in rte_eal_init():
> 
> Means you have to allocate hugepages before starting this app.
> http://dpdk.org/doc/guides/linux_gsg/sys_reqs.html#running-dpdk-applications


You should be able to find more information about setting up Pktgen in the docs.
http://pktgen-dpdk.readthedocs.io/en/latest/

If you have not attached ports to the igb_uio module, please look at the usertools/dpdk-devbind.py usage.

> 
> 
> 
> On Mon, Jul 17, 2017 at 11:33 AM, Mahesh Ishwar Mathad <
> mi.mahesh@globaledgesoft.com> wrote:
> 
>> 
>> Hi team,
>> 
>> Kernel Version :  4.5
>> DPDK Version :    16.07.2
>> PKT-GEN Version:  3.3.4
>> 
>> 
>> I am trying to execute dpdk pkt-gen application to generator L2 traffic on
>> DPDK ports. But I am getting errors while executing command :
>> ./app/pktgen -c 0x7 -n 3 -- -p 0x1 -P -m "[1:2].0"
>> 
>> Since I am allocating enough huge page ie 2048Kbytes and i tried with
>> 4096Kbytes also and I bind DPDK ports to igb_uio driver but still i am
>> getting below error:
>> 
>> Copyright (c) <2010-2017>, Intel Corporation. All rights reserved. Powered
>> by Intel® DPDK
>> EAL: Detected 4 lcore(s)
>> EAL: No free hugepages reported in hugepages-1048576kB
>> EAL: No free hugepages reported in hugepages-2048kB
>> PANIC in rte_eal_init():
>> Cannot get hugepage information
>> 6: [./dpdk-stable-16.07.2/examples/pktgen-3.3.4/app/app/x86_64-native-linuxapp-gcc/pktgen()
>> [0x4317ae]]
>> 5: [/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5)
>> [0x7f5fa5111f45]]
>> 4: [./dpdk-stable-16.07.2/examples/pktgen-3.3.4/app/app/x86_64-
>> native-linuxapp-gcc/pktgen(main+0x182) [0x430962]]
>> 3: [./dpdk-stable-16.07.2/examples/pktgen-3.3.4/app/app/x86_64-
>> native-linuxapp-gcc/pktgen(rte_eal_init+0xc43) [0x4847b3]]
>> 2: [./dpdk-stable-16.07.2/examples/pktgen-3.3.4/app/app/x86_64-
>> native-linuxapp-gcc/pktgen(__rte_panic+0xbe) [0x42d045]]
>> 1: [./dpdk-stable-16.07.2/examples/pktgen-3.3.4/app/app/x86_64-
>> native-linuxapp-gcc/pktgen(rte_dump_stack+0x1a) [0x48be2a]]
>> 
>> Can anyone help me to understand issue and possible solution
>> 
>> --
>> Thanks & Regards,
>> Mahesh Mathad.
>> 
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>> 

Regards,
Keith