tests/mobject-aio-test.sh failure

[carns]

make check fails for me on the mobject-aio-test.sh example with a server segmentation fault.

Using the following packages on Ubuntu 20.10:

carns@carns-x1-7g ~/w/s/m/m/build (main)> spack find --loaded
==> 35 installed packages
-- linux-ubuntu20.10-skylake / gcc@10.2.0 -----------------------
argobots@1.0         libuuid@1.0.3           mpich@3.4.1
autoconf@2.69        libxml2@2.9.10          ncurses@6.2.20200212
automake@1.16.2      m4@1.4.18               nlohmann-json@3.9.1
berkeley-db@18.1.40  mercury@2.0.0           numactl@2.0.14
bmi@main             mochi-abt-io@0.5.1      opa-psm2@11.2.185
cereal@1.3.0         mochi-bake@0.6.2        openssl@1.1.1f
hwloc@2.4.1          mochi-bedrock@0.2       pmdk@1.9
json-c@0.13.1        mochi-ch-placement@0.1  snappy@1.1.8
leveldb@1.22         mochi-margo@0.9.4       spdlog@1.8.1
libfabric@1.11.1     mochi-sdskv@0.1.10      tclap@1.2.2
libpciaccess@0.16    mochi-ssg@main          valgrind@3.13
libtool@2.4.6        mochi-thallium@0.8.4