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Motivation for this change
The default use of
libunwind
bytcmalloc
segfaults on ARM. For example, starting mongodb immediately crashes (I'll include the backtrace below, for future searches).This fix removes the use of
libunwind
on ARM. I've verified this fixes mongodb on aarch64. Other descriptions of the issue say this exact problem also hits aarch32, so the diff covers both architecture variants.Things done
sandbox
innix.conf
on non-NixOS linux)nix-shell -p nixpkgs-review --run "nixpkgs-review wip"
./result/bin/
)nix path-info -S
before and after)Backtrace
Without this fix, this is my backtrace when mongodb crashes on start, on aarch64: