OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › Multiple GPU on HPC Calculation Signal: Segmentation fault (11) › Reply To: Multiple GPU on HPC Calculation Signal: Segmentation fault (11) June 3, 2024 at 4:57 pm #8760 aseidlerParticipant I forgot to mention that my MPI is built with Cuda. mca:mpi:base:param:mpi_built_with_cuda_support:value:true