Hi, When I try to install petsc on my PC and run the make all check commend it has the following error. Can you help me to troubleshoot that? Thanks. Sijie ++++++++++++++++++++++++++++++++++++++++++++++++ Running check examples to verify correct installation Using PETSC_DIR=/home/zhangsijie1995/Documents/Packages/petsc-3.18.0 and PETSC_ARCH=arch-linux-c-debug Possible error running C/C++ src/snes/tutorials/ex19 with 1 MPI process See https://petsc.org/release/faq/ hwloc/linux: Ignoring PCI device with non-16bit domain. Pass --enable-32bits-pci-domain to configure to support such devices (warning: it would break the library ABI, don't enable unless really needed). lid velocity = 0.0016, prandtl # = 1., grashof # = 1. Number of SNES iterations = 2 Possible error running C/C++ src/snes/tutorials/ex19 with 2 MPI processes See https://petsc.org/release/faq/ hwloc/linux: Ignoring PCI device with non-16bit domain. Pass --enable-32bits-pci-domain to configure to support such devices (warning: it would break the library ABI, don't enable unless really needed). hwloc/linux: Ignoring PCI device with non-16bit domain. Pass --enable-32bits-pci-domain to configure to support such devices (warning: it would break the library ABI, don't enable unless really needed). lid velocity = 0.0016, prandtl # = 1., grashof # = 1. Number of SNES iterations = 2 Possible error running Fortran example src/snes/tutorials/ex5f with 1 MPI process See https://petsc.org/release/faq/ hwloc/linux: Ignoring PCI device with non-16bit domain. Pass --enable-32bits-pci-domain to configure to support such devices (warning: it would break the library ABI, don't enable unless really needed). Number of SNES iterations = 3 Completed test examples Error while running make check gmake[1]: *** [makefile:149: check] Error 1 make: *** [GNUmakefile:17: check] Error 2 ++++++++++++++++++++++++++++++++++++++++++++++++