How To Fix Unable To Load: Vgcore Error Code 127
ldd $(find /usr -name vgcore 2>/dev/null | head -1) || echo "vgcore not found or broken"
valgrind --vgcore=no ./your_program Or use a different core dump mechanism: how to fix unable to load vgcore error code 127
ulimit -c unlimited ./your_program gdb ./your_program core Scenario : Embedded Linux developer using a custom toolchain (glibc 2.28) on a host with glibc 2.31. Running Valgrind produces: ldd $(find /usr -name vgcore 2>/dev/null | head
# Debian/Ubuntu sudo apt purge valgrind sudo apt install valgrind wget https://sourceware.org/pub/valgrind/valgrind-3.22.0.tar.bz2 tar -xf valgrind-3.22.0.tar.bz2 cd valgrind-3.22.0 ./configure --prefix=/usr/local make sudo make install 4.3 Tier 3: Manual vgcore Rebuild If the precompiled vgcore is incompatible (e.g., on musl libc or non-x86 architectures): ldd $(find /usr -name vgcore 2>
sudo dnf install glibc-debuginfo glibc-debuginfo-common :