Hi all, I have some MPI execution problems on a cluster with the UTSG sample in GLB. My versions are: x10c++ version 2.5.3 (from git) gcc (GCC) 4.9.3 java version "1.8.0_66", Java(TM) SE Runtime Environment (build 1.8.0_66-b17), Java HotSpot(TM) 64-Bit Server VM (build 25.66-b17, mixed mode) mpirun (Open MPI) 1.8.8
I build x10 with: ant dist -DX10RT_MPI=true Compiling UTSG in x10.dist/samples/GLB/uts: x10c++ -x10rt mpi UTSG.x10 -o UTSG -O -NO_CHECKS I set my environment variables: export X10_NTHREADS=1 export X10_NPLACES=2 export X10_HOSTLIST=localhost export X10RT_MPI_THREAD_SINGLE=0 export X10RT_MPI_THREAD_FUNNELED=1 export X10RT_MPI_THREAD_SERIALIZED=2 export X10RT_MPI_THREAD_MULTIPLE=3 I tried execution on one Node with "./UTSG" and "mpirun UTSG" (with and without some options), but there is always the following error: [hla0001:14174] *** Process received signal *** [hla0001:14174] Signal: Segmentation fault (11) [hla0001:14174] Signal code: Address not mapped (1) [hla0001:14174] Failing at address: 0x8 [hla0001:14174] [ 0] /lib64/libpthread.so.0(+0xf850)[0x7f8552514850] [hla0001:14174] [ 1] ./UTSG(_ZN3x104util4Team9allreduceIlEEvPNS_4lang4RailIT_EElS7_lli+0x7d)[0x44882d] [hla0001:14174] [ 2] ./UTSG(_ZN23x10_glb_GLB__closure__8IP5QueuelE7__applyEv+0x121)[0x4489f1] [hla0001:14174] [ 3] /home/jp50zilu/x10/x10.dist/stdlib/lib/libx10.so(_ZN3x104lang11VoidFun_0_07__applyEPS1_+0x80)[0x7f8553124b46] [hla0001:14174] [ 4] /home/jp50zilu/x10/x10.dist/stdlib/lib/libx10.so(_ZN31x10_lang_PlaceGroup__closure__17__applyEv+0x43)[0x7f855317decf] [hla0001:14174] [ 5] /home/jp50zilu/x10/x10.dist/stdlib/lib/libx10.so(_ZN3x104lang11VoidFun_0_07__applyEPS1_+0x80)[0x7f8553124b46] [hla0001:14174] [ 6] /home/jp50zilu/x10/x10.dist/stdlib/lib/libx10.so(_ZN28x10_xrx_Runtime__closure__167__applyEv+0x43)[0x7f8553413f07] [hla0001:14174] [ 7] /home/jp50zilu/x10/x10.dist/stdlib/lib/libx10.so(_ZN3x104lang11VoidFun_0_07__applyEPS1_+0x80)[0x7f8553124b46] [hla0001:14174] [ 8] /home/jp50zilu/x10/x10.dist/stdlib/lib/libx10.so(_ZN3x103xrx8Activity3runEv+0x24)[0x7f8553362e5a] [hla0001:14174] [ 9] /home/jp50zilu/x10/x10.dist/stdlib/lib/libx10.so(_ZN3x103xrx6Worker4loopEv+0x149)[0x7f8553418bcf] [hla0001:14174] [10] /home/jp50zilu/x10/x10.dist/stdlib/lib/libx10.so(_ZN3x103xrx6Worker7__applyEv+0x4c)[0x7f8553418fee] [hla0001:14174] [11] /home/jp50zilu/x10/x10.dist/stdlib/lib/libx10.so(_ZN3x103xrx6Thread20thread_start_routineEPv+0xa9)[0x7f85534409ef] [hla0001:14174] [12] /home/jp50zilu/x10/x10.dist/lib/libgc.so.1(GC_inner_start_routine+0x5e)[0x7f855274389e] [hla0001:14174] [13] /home/jp50zilu/x10/x10.dist/lib/libgc.so.1(GC_call_with_stack_base+0x12)[0x7f855273e942] [hla0001:14174] [14] /lib64/libpthread.so.0(+0x7806)[0x7f855250c806] [hla0001:14174] [15] /lib64/libc.so.6(clone+0x6d)[0x7f8550f6e65d] [hla0001:14174] *** End of error message *** What goes wrong? Kind regards Jonas Posner
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