<div dir="ltr">Dear Quantum espresso team,<div><br></div><div>So recently I have been trying to run the executable pw.x on the bin directory. I pass in my input and output file appropriately, and I am using intel's Parallel studio compiler, with intel MPI. but when I run the program I get the following error </div><div><br></div><div>pw.x: symbol lookup error: /usr/lib/libblacsCinit-openmpi.so.1: undefined symbol: ompi_mpi_comm_world   </div><div><br></div><div><br></div><div><br></div><div>my LD_LIBRARY_PATH is the following </div><div><br></div><div>LD_LIBRARY_PATH=/opt/intel/compilers_and_libraries_2018.3.222/linux/mpi/intel64/lib:/opt/intel/compilers_and_libraries_2018.3.222/linux/mpi/mic/lib:/opt/intel/compilers_and_libraries_2018.3.222/linux/compiler/lib/intel64_lin:/opt/intel/compilers_and_libraries_2018.3.222/linux/mkl/lib/intel64_lin:/opt/intel/compilers_and_libraries_2018.3.222/linux/compiler/lib/intel64:/opt/intel/compilers_and_libraries_2018.3.222/linux/compiler/lib/intel64_lin:/opt/intel/compilers_and_libraries_2018.3.222/linux/mpi/intel64/lib:/opt/intel/compilers_and_libraries_2018.3.222/linux/mpi/mic/lib:/opt/intel/compilers_and_libraries_2018.3.222/linux/ipp/lib/intel64:/opt/intel/compilers_and_libraries_2018.3.222/linux/compiler/lib/intel64_lin:/opt/intel/compilers_and_libraries_2018.3.222/linux/mkl/lib/intel64_lin:/opt/intel/compilers_and_libraries_2018.3.222/linux/tbb/lib/intel64/gcc4.7:/opt/intel/compilers_and_libraries_2018.3.222/linux/tbb/lib/intel64/gcc4.7:/opt/intel/debugger_2018/iga/lib:/opt/intel/debugger_2018/libipt/intel64/lib:/opt/intel/compilers_and_libraries_2018.3.222/linux/daal/lib/intel64_lin:/opt/intel/compilers_and_libraries_2018.3.222/linux/mpi/intel64/lib:/opt/intel/compilers_and_libraries_2018.3.222/linux/mpi/mic/lib:/opt/intel/compilers_and_libraries_2018.3.222/linux/compiler/lib/intel64_lin:/opt/intel/compilers_and_libraries_2018.3.222/linux/mkl/lib/intel64_lin:/opt/intel/compilers_and_libraries_2018.3.222/linux/compiler/lib/intel64:/opt/intel/compilers_and_libraries_2018.3.222/linux/compiler/lib/intel64_lin:/opt/intel/compilers_and_libraries_2018.3.222/linux/mpi/intel64/lib:/opt/intel/compilers_and_libraries_2018.3.222/linux/mpi/mic/lib:/opt/intel/compilers_and_libraries_2018.3.222/linux/ipp/lib/intel64:/opt/intel/compilers_and_libraries_2018.3.222/linux/compiler/lib/intel64_lin:/opt/intel/compilers_and_libraries_2018.3.222/linux/mkl/lib/intel64_lin:/opt/intel/compilers_and_libraries_2018.3.222/linux/tbb/lib/intel64/gcc4.7:/opt/intel/compilers_and_libraries_2018.3.222/linux/tbb/lib/intel64/gcc4.7:/opt/intel/debugger_2018/iga/lib:/opt/intel/debugger_2018/libipt/intel64/lib:/opt/intel/compilers_and_libraries_2018.3.222/linux/daal/lib/intel64_lin:/opt/intel/compilers_and_libraries_2018.3.222/linux/mpi/intel64/lib:/opt/intel/compilers_and_libraries_2018.3.222/linux/mpi/mic/lib:/opt/intel/compilers_and_libraries_2018.3.222/linux/compiler/lib/intel64_lin:/opt/intel/compilers_and_libraries_2018.3.222/linux/mkl/lib/intel64_lin:/opt/intel/compilers_and_libraries_2018.3.222/linux/compiler/lib/intel64:/opt/intel/compilers_and_libraries_2018.3.222/linux/compiler/lib/intel64_lin:/opt/intel/compilers_and_libraries_2018.3.222/linux/mpi/intel64/lib:/opt/intel/compilers_and_libraries_2018.3.222/linux/mpi/mic/lib:/opt/intel/compilers_and_libraries_2018.3.222/linux/ipp/lib/intel64:/opt/intel/compilers_and_libraries_2018.3.222/linux/compiler/lib/intel64_lin:/opt/intel/compilers_and_libraries_2018.3.222/linux/mkl/lib/intel64_lin:/opt/intel/compilers_and_libraries_2018.3.222/linux/tbb/lib/intel64/gcc4.7:/opt/intel/compilers_and_libraries_2018.3.222/linux/tbb/lib/intel64/gcc4.7:/opt/intel/debugger_2018/iga/lib:/opt/intel/debugger_2018/libipt/intel64/lib:/opt/intel/compilers_and_libraries_2018.3.222/linux/daal/lib/intel64_lin:/opt/intel/compilers_and_libraries_2018.3.222/linux/daal/../tbb/lib/intel64_lin/gcc4.4 </div><div><br></div><div><br></div><div><br></div><div>any help will be highly appreciated. Thanks in advanced</div><div><br></div><div>Sincerely Aziz Fall </div></div>