illegal instruction (core dumped) problem

[Dmitry Kozlyuk]

Hi Anthony,

2023-04-07 10:02 (UTC+0200), Anthony Kanaan:
[...]
> Model name:                      Intel(R) Core(TM)2 Duo CPU     E8400  @
> 3.00GHz
[...]
> Flags:                           fpu vme de pse tsc msr pae mce cx8 apic
> sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ht tm
> pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_
>                                  good nopl cpuid aperfmperf pni dtes64
> monitor ds_cpl smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 xsave lahf_lm pti
> dtherm

DPDK requires at least SSE 4.2 (Nehalem),
your CPU only has SSE 4.1 (Wolfdale).