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I don't seem to find any solution to my AIX related problem when attempting to use iperf3 after install:

root@dxxxxxxx in /: iperf3 -s
Could not load program iperf3:
Could not load module /opt/freeware/lib64/libiperf.a(libiperf.so.0).
        Dependent module libgcc_s.a(shr.o) could not be loaded.
Could not load module libgcc_s.a(shr.o).
System error: No such file or directory
Could not load module iperf3_64.
        Dependent module /opt/freeware/lib64/libiperf.a(libiperf.so.0) could not be loaded.
Could not load module .

I checked /opt/freeware/lib64 and see the file:

-rwxr-xr-x    1 root     system       316155 Sep 18 2017  libiperf.a

but it does not show the libiperf.so.0 content when I do a:

/opt/freeware/lib64# ar -vt libipef.a

Also, I am missing libgcc_s.a(shr.o) file.

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The iperf3 RPM installs links in /usr/lib to the /opt/freeware/lib directories for the libiperf.a files, so as long as your LIBPATH contains the /usr/lib directory, it should pick up the libiperf library. LIBPATH is commonly set in /etc/environment, so if you haven't set it, you'll need to manually set it until you can edit that file and reboot.

The libgcc_s.a file is provided by the libgcc RPM file at the same site; download the version for your OS level (6.1, 7.1, or 7.2).

  • Jeff Schaller, thank you very much for your help. I had neglected to install libgcc. Since yesterday I removed iperf3 thinking maybe I had downloaded a bad rpm, today after your suggestion, I installed libgcc, re-installed iperf3 and now it is working. Thank you again! – DannyT May 2 '18 at 12:38

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