[Wien] segmentation fault in LAPW0 (MPI)

[Oleg Rubel]

I have an update: It was FFTW v3.3.0 fault. This version is too old. The 
error is gone with FFTW 3.3.3

Oleg

On 29/01/2015 2:27 PM, Oleg Rubel wrote:
> Dear Wien2k community,
>
> I compiled Wien2k v14.2 with Intel Composer XE 2013, mvapich2 v1.9 and FFTW v3.3.0
> Both serial and MPI versions compiled error free, however the MPI code crushed in LAPW0 with segfault when executed on 8 cores.
>
> It crashed when calling an FFTW subroutine:
> call fftw_mpi_execute_dft(forward_plan, local_C, local_C)
> in SRC_lapw0/fft_modules.F
>
> DDT debugger provided a bit more information:
>
> Processes 0-7:
> Process stopped in __intel_ssse3_rep_memcpy with signal SIGSEGV (Segmentation fault).
> Reason/Origin: address not mapped to object (attempt to access invalid address)
> Your program will probably be terminated if you continue.
> You can use the stack controls to see what the process was doing at the time.
>
> Interestingly, LAPW0 did not crush in the case of 2-core MPI job; 8-, 12 and 16-core jobs failed.
>
> I have no issues on another machine with much older Intel compilers and MKL, the same mvapich2 and FFTW 3.3.3
>
>
> Any suggestions will be appreciated.
>
> Thank you in advance
> Oleg
>
>
>
> P.S. Compilation options
>
> current:FOPT:-FR -mp1 -w -prec_div -pc80 -pad -ip -DINTEL_VML -traceback -assume buffered_io -I/software/compilers/Intel/2013-sp1-14.0/composer_xe_2013_sp1.4.211/mkl/include
> current:FPOPT:-FR -mp1 -w -prec_div -pc80 -pad -ip -DINTEL_VML -traceback -assume buffered_io -I/software/compilers/Intel/2013-sp1-14.0/composer_xe_2013_sp1.4.211/mkl/include
> current:FFTW_OPT:-DFFTW3 -I/software/CentOS-6/libraries/FFTW-3.3/mvapich2-intel/include
> current:FFTW_LIBS:-lfftw3_mpi -lfftw3 -L/software/CentOS-6/libraries/FFTW-3.3/mvapich2-intel/lib
> current:LDFLAGS:$(FOPT) -L$(MKLROOT)/lib/intel64 -pthread -i-static
> current:DPARALLEL:'-DParallel'
> current:R_LIBS:-lmkl_intel_lp64 -lmkl_core -lmkl_sequential -lpthread -lm
> current:RP_LIBS:-lfftw3_mpi -lmkl_scalapack_lp64 -lmkl_blacs_intelmpi_lp64 $(R_LIBS)
> current:MPIRUN:mpirun -np _NP_ -machinefile _HOSTS_ _EXEC_
> current:MKL_TARGET_ARCH:intel64
>