Jonas Posner <jonas.pos...@student.uni-kassel.de> wrote on 12/14/2015
04:55:40 PM:
>
> 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
Hi,
Can you try building without the -NO_CHECKS flag?
The Segfault below smells like a likely null pointer exception would
have been raised if checking was enabled (accessing address 0x8).
--dave
>
> [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]
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