UCP crashing with GCC/10.3.0 ParaStationMPI/5.4.9-1 on jureca
timings[000] [getpart] t= 3.31245 ms
[jrc0642:8223 :0:8223] Caught signal 7 (Bus error: nonexistent physical address)
==== backtrace (tid: 8223) ====
0 0x0000000000022983 ucs_debug_print_backtrace() /dev/shm/swmanage/jurecadc/UCX/1.10.1/system-system/ucx-1.10.1/src/ucs/debug/debug.c:656
1 0x0000000000037880 .annobin_sigaction.c() sigaction.c:0
2 0x0000000000420645 VirtualClusterTCP::read_environ_ipaddr() ???:0
3 0x0000000000421cb4 std::_Function_base::_Base_manager<VirtualClusterTCP::connect_to_all()::{lambda(int)#2}>::_M_clone() vcluster_tcp.cc:0
4 0x0000000000419e8d vcluster_helper_bcast() ???:0
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Notice that the crash (resulting in segfault) happens in VirtualClusterTCP::read_environ_ipaddr(), so probably not only ucp problem.