Error Code 127 — How To Fix Unable To Load Vgcore
sudo dnf install glibc-debuginfo glibc-debuginfo-common :
unset LD_LIBRARY_PATH # Or run Valgrind with a clean environment env -i PATH="$PATH" HOME="$HOME" valgrind ./your_program Corrupted installations are common after partial upgrades. Completely remove and reinstall: how to fix unable to load vgcore error code 127
./configure --host=arm-linux-gnueabihf --with-sysroot=/path/to/sysroot make && make install DESTDIR=/path/to/sysroot Then execute Valgrind with the correct library path: how to fix unable to load vgcore error code 127
# 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): how to fix unable to load vgcore error code 127
: Recompile Valgrind inside the target sysroot using --with-sysroot :
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:
