[mpich-discuss] ifort problem

[Anthony Chan]

your program most likely was accessing some invalid memory.
You should recompile your code with -g and -traceback (since you are
using ifort).  If that does not show you the problem, you need
to use a debugger.

----- Original Message -----
> Hi there
> i have found this problem when executing an mpi program compiled with
> mpif90. my command of execution was
> >mpiexec -n 2 ./matrixvector
> 
> that matrixvector, is the executable file, i have found this error:
> 
> forrtl: severe (174): SIGSEGV, segmentation fault occurred
> Image PC Routine Line
> Source
> matrixvector 00000000004046ED Unknown Unknown Unknown
> matrixvector 0000000000404477 Unknown Unknown Unknown
> matrixvector 00000000004040AC Unknown Unknown Unknown
> libc.so.6 00007F678EEBBD8E Unknown Unknown Unknown
> matrixvector 0000000000403FA9 Unknown Unknown Unknown
> [mpiexec at mohamed-XPS-L501X] ONE OF THE PROCESSES TERMINATED BADLY:
> CLEANING
> UP
> APPLICATION TERMINATED WITH THE EXIT STRING: Killed (signal 9)
> 
> any suggestions?
> thanks in advance.
> Ali
> 
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