Dear PETSc community, I recently tried to install PETSc in Ubuntu 24.04. All seems to work fine, but one of the check tests ex5f thow the following errors:
---------------------------------------------------------------------------------------------------- Running PETSc check examples to verify correct installation Using PETSC_DIR=/home/bchandra/Program/petsc and PETSC_ARCH=arch-linux-c-opt C/C++ example src/snes/tutorials/ex19 run successfully with 1 MPI process C/C++ example src/snes/tutorials/ex19 run successfully with 2 MPI processes C/C++ example src/snes/tutorials/ex19 run successfully with HYPRE *******************Error detected during compile or link!******************* See https://urldefense.us/v3/__https://petsc.org/release/faq/__;!!G_uCfscf7eWS!bNBtvML4qAKu9WGzBH2kRjtiP8AwN3ijY4qZngu7nvl_TUwz8pQ6WGyCJh0AtIEOqLHU5NHUJRL1oWg2FeTR0Oz6868$ /home/bchandra/Program/petsc/src/snes/tutorials ex5f ********************************************************* /usr/local/openmpi-4.1.5/bin/mpif90 -fPIC -Wall -ffree-line-length-none -ffree-line-length-0 -Wno-lto-type-mismatch -Wno-unused-dummy-argument -Wall -ffree-line-length-none -ffree-line-length-0 -Wno-lto-type-mismatch -Wno-unused-dummy-argument -O3 -march=native -mtune=native -I/home/bchandra/Program/petsc/include -I/home/bchandra/Program/petsc/arch-linux-c-opt/include -I/usr/local/openmpi-4.1.5/include ex5f.F90 -Wl,-rpath,/home/bchandra/Program/petsc/arch-linux-c-opt/lib -L/home/bchandra/Program/petsc/arch-linux-c-opt/lib -Wl,-rpath,/usr/local/openmpi-4.1.5/lib -L/usr/local/openmpi-4.1.5/lib -Wl,-rpath,/usr/lib/gcc/x86_64-linux-gnu/13 -L/usr/lib/gcc/x86_64-linux-gnu/13 -lpetsc -lHYPRE -lflapack -lfblas -lm -lX11 -lmpi_usempif08 -lmpi_usempi_ignore_tkr -lmpi_mpifh -lmpi -lgfortran -lm -lgfortran -lm -lgcc_s -lquadmath -lstdc++ -lquadmath -o ex5f ex5f.F90:439:52: 439 | PetscInt row,col(5),i,j,i1,i5 | ^ Warning: ‘col[1]’ may be used uninitialized [-Wmaybe-uninitialized] ex5f.F90:439:52: Warning: ‘col[2]’ may be used uninitialized [-Wmaybe-uninitialized] ex5f.F90:439:52: Warning: ‘col[3]’ may be used uninitialized [-Wmaybe-uninitialized] ex5f.F90:476:83: 476 | call MatSetValuesLocal(jac,i1,[row],i1,[col],[v],INSERT_VALUES,ierr) | ^ Warning: ‘col[4]’ may be used uninitialized [-Wmaybe-uninitialized] ex5f.F90:439:52: 439 | PetscInt row,col(5),i,j,i1,i5 | ^ note: ‘col[4]’ was declared here ex5f.F90:476:83: 476 | call MatSetValuesLocal(jac,i1,[row],i1,[col],[v],INSERT_VALUES,ierr) | ^ Warning: ‘v[1]’ may be used uninitialized [-Wmaybe-uninitialized] ex5f.F90:440:58: 440 | PetscScalar two,one,hx,hy,v(5) | ^ note: ‘v[1]’ was declared here ex5f.F90:476:83: 476 | call MatSetValuesLocal(jac,i1,[row],i1,[col],[v],INSERT_VALUES,ierr) | ^ Warning: ‘v[2]’ may be used uninitialized [-Wmaybe-uninitialized] ex5f.F90:440:58: 440 | PetscScalar two,one,hx,hy,v(5) | ^ note: ‘v[2]’ was declared here ex5f.F90:476:83: 476 | call MatSetValuesLocal(jac,i1,[row],i1,[col],[v],INSERT_VALUES,ierr) | ^ Warning: ‘v[3]’ may be used uninitialized [-Wmaybe-uninitialized] ex5f.F90:440:58: 440 | PetscScalar two,one,hx,hy,v(5) | ^ note: ‘v[3]’ was declared here ex5f.F90:476:83: 476 | call MatSetValuesLocal(jac,i1,[row],i1,[col],[v],INSERT_VALUES,ierr) | ^ Warning: ‘v[4]’ may be used uninitialized [-Wmaybe-uninitialized] ex5f.F90:440:58: 440 | PetscScalar two,one,hx,hy,v(5) | ^ note: ‘v[4]’ was declared here Fortran example src/snes/tutorials/ex5f run successfully with 1 MPI process Completed PETSc check examples ---------------------------------------------------------------------------------------------------- Any ideas what happened and how to fix it? Many thanks in advance. Kind regards, Nanda
