On 02/01/2021 06:15 PM, Rob Kossler via USRP-users wrote:
Hi,
I have 2 systems (each with host PC and N310) for which I'm having
similar issues in trying to get DPDK up and running. After going
through the UHD Manual DPDK instructions and DPDK app note, I am past
the point at which the "dpdk-devbind" seems to work fine, but I get
the following error when I run benchmark_rate.
I am running Ubuntu 20.04.LTS and installed DPDK 18.11.11 by
downloading/building from source. I built UHD (latest 4.0) from source
and it seemed happy finding DPDK and building with DPDK support. It
seems like a compatibility issue, but I can't figure it out. Any
suggestions?
Rob
// *** this is the error on System 1
EAL: /usr/local/lib/libdpdk.so: invalid ELF header
EAL: FATAL: Cannot init plugins
EAL: Cannot init plugins
// this is the error on System 2 (nearly the same but different library)
EAL:
/usr/local/share/dpdk/x86_64-native-linuxapp-gcc/lib//librte_pmd_ark.a: invalid
ELF header
EAL: FATAL: Cannot init plugins
EAL: Cannot init plugins
This would seem to indicate that something very horrible went wrong in
the build or DPDK--creating ELF headers that aren't correct for the
type of hardware they're being used on.
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