[dpdk-dev] Testpmd fails in initialization

Stephen Hemminger stephen at networkplumber.org
Sat Jun 2 00:11:48 CEST 2018


How much huge page memory did you confirm?
$ cat /proc/meminfo

On Fri, Jun 1, 2018, 3:06 PM Monika Mails <mails.monika at gmail.com> wrote:

> Hi All,
>
> This is Monika.
> I am new to DPDK.
> I just installed DPDK release - 18.05 on my server and trying to run
> "testpmd"
>
> Here is my command and its output :-
>
>  sudo testpmd -l 8 -n 4 -c 0x3 --socket-mem=512,512
>
> EAL: Detected lcore 0 as core 3 on socket 0
> EAL: Detected lcore 1 as core 3 on socket 1
> EAL: Detected lcore 2 as core 4 on socket 0
> EAL: Detected lcore 3 as core 4 on socket 1
> EAL: Detected lcore 4 as core 5 on socket 0
> EAL: Detected lcore 5 as core 5 on socket 1
> EAL: Detected lcore 6 as core 6 on socket 0
> EAL: Detected lcore 7 as core 6 on socket 1
> EAL: Detected lcore 8 as core 10 on socket 0
> EAL: Detected lcore 9 as core 10 on socket 1
> EAL: Detected lcore 10 as core 11 on socket 0
> EAL: Detected lcore 11 as core 11 on socket 1
> EAL: Detected lcore 12 as core 3 on socket 0
> EAL: Detected lcore 13 as core 3 on socket 1
> EAL: Detected lcore 14 as core 4 on socket 0
> EAL: Detected lcore 15 as core 4 on socket 1
> EAL: Detected lcore 16 as core 5 on socket 0
> EAL: Detected lcore 17 as core 5 on socket 1
> EAL: Detected lcore 18 as core 6 on socket 0
> EAL: Detected lcore 19 as core 6 on socket 1
> EAL: Detected lcore 20 as core 10 on socket 0
> EAL: Detected lcore 21 as core 10 on socket 1
> EAL: Detected lcore 22 as core 11 on socket 0
> EAL: Detected lcore 23 as core 11 on socket 1
> EAL: Support maximum 128 logical core(s) by configuration.
> EAL: Detected 24 lcore(s)
> EAL: No free hugepages reported in hugepages-1048576kB
> EAL: Setting up physically contiguous memory...
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7f2d14600000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7f2d14200000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7f2d13e00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7f2d13a00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x400000 bytes
> EAL: Virtual area found at 0x7f2d13400000 (size = 0x400000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7f2d13000000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7f2d12c00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x400000 bytes
> EAL: Virtual area found at 0x7f2d12600000 (size = 0x400000)
> *EAL: Not enough memory available on socket 0! Requested: 512MB, available:
> 0MB*
> PANIC in rte_eal_init():
> Cannot init memory
> 6: [testpmd(_start+0x29) [0x4155b9]]
> 5: [/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf0)
> [0x7f2d158b5830]]
> 4: [testpmd(main+0x51) [0x414fb1]]
> 3: [/usr/lib/x86_64-linux-gnu/libdpdk.so.0(rte_eal_init+0x1111)
> [0x7f2d16e59c91]]
> 2: [/usr/lib/x86_64-linux-gnu/libdpdk.so.0(__rte_panic+0xd0)
> [0x7f2d16e38e18]]
> 1: [/usr/lib/x86_64-linux-gnu/libdpdk.so.0(rte_dump_stack+0x2b)
> [0x7f2d16fa840b]]
> Aborted (core dumped)
>
> Here are the other details of my server :-
>
> *./deps/dpdk-18.05/usertools/cpu_layout.py*
> ======================================================================
> Core and Socket Information (as reported by '/sys/devices/system/cpu')
> ======================================================================
>
> cores =  [3, 4, 5, 6, 10, 11]
> sockets =  [0, 1]
>
>         Socket 0        Socket 1
>         --------        --------
> Core 3  [0, 12]         [1, 13]
> Core 4  [2, 14]         [3, 15]
> Core 5  [4, 16]         [5, 17]
> Core 6  [6, 18]         [7, 19]
> Core 10 [8, 20]         [9, 21]
> Core 11 [10, 22]        [11, 23]
>
> I tried selecting different number of hugepages from 1024-10, but getting
> the same initialization error.
> Can someone please suggest some resolution.
> Appreciate some advice.
>
> Regards,
> Monika
>


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