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* [dpdk-users] Fw: DPDK Error --> EAL: No free hugepages reported in hugepages-2048kB
       [not found] ` <1981343572.1545894.1454588815267.JavaMail.yahoo@mail.yahoo.com>
@ 2016-02-05  6:11   ` anand prasad
  2016-02-05  9:02     ` Van Haaren, Harry
  0 siblings, 1 reply; 3+ messages in thread
From: anand prasad @ 2016-02-05  6:11 UTC (permalink / raw)
  To: users



     On Thursday, 4 February 2016 5:56 PM, anand prasad <prasadan2@yahoo.co.in> wrote:
 

 Hi DPDK Team,
  I am new to DPDK and trying to understand DPDK by running the examples provided in the kit.
 I am using UBUNTU 14.04 64 bit OS and have successfully buit the kit on this system. Am getting below errors while executing below command:
command: build/app/testpmd -c7 -n3 --vdev=eth_pcap0,iface=eth0 --vdev=eth_pcap1,iface=eth1 -- -i --nb-cores=2 --nb-ports=2 --total-num-mbufs=2048
command output:
EAL: Detected lcore 0 as core 0 on socket 0
EAL: Detected lcore 1 as core 1 on socket 0
EAL: Detected lcore 2 as core 2 on socket 0
EAL: Detected lcore 3 as core 3 on socket 0
EAL: Detected lcore 4 as core 0 on socket 0
EAL: Detected lcore 5 as core 1 on socket 0
EAL: Detected lcore 6 as core 2 on socket 0
EAL: Detected lcore 7 as core 3 on socket 0
EAL: Support maximum 128 logical core(s) by configuration.
EAL: Detected 8 lcore(s)
EAL: No free hugepages reported in hugepages-2048kB
PANIC in rte_eal_init():
Cannot get hugepage information
6: [build/app/testpmd() [0x439493]]
5: [/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7f86cf2dcec5]]
4: [build/app/testpmd(main+0x52) [0x436bf2]]
3: [build/app/testpmd(rte_eal_init+0xc43) [0x4b60f3]]
2: [build/app/testpmd(__rte_panic+0xc9) [0x431640]]
1: [build/app/testpmd(rte_dump_stack+0x1a) [0x4bcdfa]]
Aborted (core dumped)
Can anyone help me understand the issue and possible solution.
Thanks in advanceRegards,Anand Prasad+91 9880666968



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^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [dpdk-users] Fw: DPDK Error --> EAL: No free hugepages reported in hugepages-2048kB
  2016-02-05  6:11   ` [dpdk-users] Fw: DPDK Error --> EAL: No free hugepages reported in hugepages-2048kB anand prasad
@ 2016-02-05  9:02     ` Van Haaren, Harry
  2016-02-05 14:16       ` Wiles, Keith
  0 siblings, 1 reply; 3+ messages in thread
From: Van Haaren, Harry @ 2016-02-05  9:02 UTC (permalink / raw)
  To: anand prasad, users

From: anand prasad
>  Hi DPDK Team,

Hello,

>   I am new to DPDK and trying to understand DPDK by running the examples provided in the
> kit.
> <snip>
> EAL: No free hugepages reported in hugepages-2048kB
> PANIC in rte_eal_init():
> Cannot get hugepage information
> 6: [build/app/testpmd() [0x439493]]
> 5: [/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7f86cf2dcec5]]
> 4: [build/app/testpmd(main+0x52) [0x436bf2]]
> 3: [build/app/testpmd(rte_eal_init+0xc43) [0x4b60f3]]
> 2: [build/app/testpmd(__rte_panic+0xc9) [0x431640]]
> 1: [build/app/testpmd(rte_dump_stack+0x1a) [0x4bcdfa]]
> Aborted (core dumped)

This is caused by hugepages not being set up on the system.
Some details about hugepages here:
http://dpdk.org/doc/guides/linux_gsg/build_sample_apps.html#hugepage-memory-use-by-applications

To solve it, the easiest way is to use the "tools/setup.sh" script:

cd /path/to/dpdk
./tools/setup.sh
# Read the options, select "Set up hugepages"
Say how many hugepages to use, I use 512 when not doing performance testing.
Note that this must be performed after each reboot.

Hope that helps, -Harry

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [dpdk-users] Fw: DPDK Error --> EAL: No free hugepages reported in hugepages-2048kB
  2016-02-05  9:02     ` Van Haaren, Harry
@ 2016-02-05 14:16       ` Wiles, Keith
  0 siblings, 0 replies; 3+ messages in thread
From: Wiles, Keith @ 2016-02-05 14:16 UTC (permalink / raw)
  To: Van Haaren, Harry, anand prasad, users

>From: anand prasad
>>  Hi DPDK Team,
>
>Hello,
>
>>   I am new to DPDK and trying to understand DPDK by running the examples provided in the
>> kit.
>> <snip>
>> EAL: No free hugepages reported in hugepages-2048kB
>> PANIC in rte_eal_init():
>> Cannot get hugepage information
>> 6: [build/app/testpmd() [0x439493]]
>> 5: [/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7f86cf2dcec5]]
>> 4: [build/app/testpmd(main+0x52) [0x436bf2]]
>> 3: [build/app/testpmd(rte_eal_init+0xc43) [0x4b60f3]]
>> 2: [build/app/testpmd(__rte_panic+0xc9) [0x431640]]
>> 1: [build/app/testpmd(rte_dump_stack+0x1a) [0x4bcdfa]]
>> Aborted (core dumped)
>
>This is caused by hugepages not being set up on the system.
>Some details about hugepages here:
>http://dpdk.org/doc/guides/linux_gsg/build_sample_apps.html#hugepage-memory-use-by-applications
>
>To solve it, the easiest way is to use the "tools/setup.sh" script:
>
>cd /path/to/dpdk
>./tools/setup.sh
># Read the options, select "Set up hugepages"
>Say how many hugepages to use, I use 512 when not doing performance testing.
>Note that this must be performed after each reboot.

On other reason I have seen this when you forget to run as root using sudo ….

>
>Hope that helps, -Harry
>


Regards,
Keith





^ permalink raw reply	[flat|nested] 3+ messages in thread

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2016-02-05  6:11   ` [dpdk-users] Fw: DPDK Error --> EAL: No free hugepages reported in hugepages-2048kB anand prasad
2016-02-05  9:02     ` Van Haaren, Harry
2016-02-05 14:16       ` Wiles, Keith

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