Vgcore can fail to load if there is a conflict with your graphics driver or if you have outdated PCI Express drivers.
On (e.g., Ubuntu 22.04+, Fedora 38+), Valgrind splits libraries into /usr/lib/x86_64-linux-gnu/valgrind/ . The error appears because your binary looks for libvgcore.so in the default search path, but it’s actually in a subdirectory. how to fix unable to load vgcore error code 127 new