<div>Dear all,</div><div>after compiling CP2K 8.2 with Intel ONEAPI (mpiifort, MKL, OpenMP, Intel MPI) v. 2021.3.0 I am getting Segfaults for some (57) regression tests. A debug build (-DBG=1) of CP2K with this compiler (uses the command line quoted below) produces the attached sample outputs. </div><div><br></div><div>(Libraries are elpa-2021.05.002; libint-v2.6.0-cp2k-lmax-7; libxc-5.1.5; plumed-2.7.2; libxsmm-1.16.3. The machine is a Linux box with 2x16-core Intel Xeon Silver 4216 CPUs with HT, 128GB RAM, kernel v. 4.19.0-14.)</div><div><br></div><div>Is this a known problem? Can you suggest me how to fix the build? </div><div><br></div><div>Thank you in advance,</div><div><br></div><div>Attila</div><div><br></div><div><div><font size="1">                        --------------------------------------------------------</font></div><div><font size="1">                        Smear method:                                FERMI_DIRAC</font></div><div><font size="1">                        Electronic temperature [K]:                        293.0</font></div><div><font size="1">                        Electronic temperature [a.u.]:                  9.28E-04</font></div><div><font size="1">                        Accuracy threshold:                             1.00E-10</font></div><div><font size="1">                        --------------------------------------------------------</font></div><div><font size="1">                        No outer SCF</font></div><div><font size="1">forrtl: severe (174): SIGSEGV, segmentation fault occurred</font></div><div><font size="1">Image              PC                Routine            Line        Source             </font></div><div><font size="1">cp2k.psmp          000000001D10E51A  Unknown               Unknown  Unknown</font></div><div><font size="1">libpthread-2.28.s  00007F4D1C7C2730  Unknown               Unknown  Unknown</font></div><div><font size="1">cp2k.psmp          000000000594444C  cp_array_sort_mp_          44  cp_array_sort.F</font></div><div><font size="1">cp2k.psmp          00000000056AEFC3  pw_grids_mp_pw_gr        1804  pw_grids.F</font></div><div><font size="1">cp2k.psmp          000000000569A63B  pw_grids_mp_pw_gr         614  pw_grids.F</font></div><div><font size="1">cp2k.psmp          0000000005699C36  pw_grids_mp_pw_gr         422  pw_grids.F</font></div><div><font size="1">cp2k.psmp          000000000178F578  pw_env_methods_mp         403  pw_env_methods.F</font></div><div><font size="1">cp2k.psmp          0000000001900B39  qs_environment_me         250  qs_environment_methods.F</font></div><div><font size="1">cp2k.psmp          00000000018FEBCC  qs_environment_me         159  qs_environment_methods.F</font></div><div><font size="1">cp2k.psmp          00000000018FA8A8  qs_environment_mp        1596  qs_environment.F</font></div><div><font size="1">cp2k.psmp          00000000018DF729  qs_environment_mp         370  qs_environment.F</font></div><div><font size="1">cp2k.psmp          0000000001237861  f77_interface_mp_         789  f77_interface.F</font></div><div><font size="1">cp2k.psmp          00000000008D46C3  cp2k_runs_mp_cp2k         298  cp2k_runs.F</font></div><div><font size="1">cp2k.psmp          00000000008DD962  cp2k_runs_mp_run_         990  cp2k_runs.F</font></div><div><font size="1">cp2k.psmp          00000000008D37AD  MAIN__                    357  cp2k.F</font></div><div><font size="1">cp2k.psmp          00000000008CF422  Unknown               Unknown  Unknown</font></div><div><font size="1">libc-2.28.so       00007F4D1A72F09B  __libc_start_main     Unknown  Unknown</font></div><div><font size="1">cp2k.psmp          00000000008CF32A  Unknown               Unknown  Unknown</font></div></div><div><br></div><div><font face="Arial" size="2"><b>mpiifort -c -g -debug -free -fpp -threads -traceback -qopenmp -O0 -xHost -qopt-zmm-usage=low -D__NO_IPI_DRIVER -D__parallel -D__SCALAPACK -D__MPI_VERSION=3 -D__INTEL -D__LIBINT -D__MAX_CONTR=4 -D__LIBXC -D__PLUMED2 -D__ELPA -D__MKL -D__FFTW3 -I/home/tat/cp2k-8.2/obj/Linux-x86-64-intelx/psmp/exts/dbcsr -I/home/tat/libint/intel-skx/include -I/home/tat/libxc/intel-skx/include -I/home/tat/elpa/intel-skx-omp/include/elpa_openmp-2021.05.002/elpa/ -I/home/tat/elpa/intel-skx-omp/include/elpa_openmp-2021.05.002/elpa/../modules -I/opt/intel/oneapi/mkl/2021.3.0/include -I/opt/intel/oneapi/mkl/2021.3.0/include/fftw -diag-disable 8290,8291,10010,10212,10411,11060 -D__COMPILE_ARCH="\"Linux-x86-64-intelx\"" -D__COMPILE_DATE="\"Fri 29 Oct 2021 02:37:05 PM CEST\"" -D__COMPILE_HOST="\"charon12\"" -D__COMPILE_REVISION="\"git:310b7ab\"" -D__DATA_DIR="\"/home/tat/cp2k-8.2/data\"" -D__SHORT_FILE__="\"tmc/tmc_master.F\"" -I'/home/tat/cp2k-8.2/src/tmc/' -I'/home/tat/cp2k-8.2/obj/Linux-x86-64-intelx/psmp/exts/dbcsr'</b></font><br></div>

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