Hello Guix, I'm encountered timeout error that seem to be caused by a particular payload rather than networking issues. With a specific payload (a bunch of rust package to build on the core-updates-frozen branch), it seems to be triggered every time. Here's the derivations to be built: --8<---------------cut here---------------start------------->8--- $ ./pre-inst-env guix build rust -n The following derivations would be built: /gnu/store/nv3l1lyx4x33gx80pxk8033g01b6bv0m-rust-1.54.0.drv /gnu/store/bmc82kpr11gpk1xy7d3l6hy37cs58i7d-rustc-1.54.0-src.tar.xz.drv /gnu/store/x1v25nclqps677j1g5dvyck2njaxy0ya-rust-1.53.0.drv /gnu/store/9v5yl0fg4dj1n82pkznksasmdjgi541w-rust-1.52.1.drv /gnu/store/72572pjayh2j5frr187i7axjzfd01kp6-rust-1.51.0.drv /gnu/store/0z13dkldzsxf87f4kgi3b2545bm39nnh-rustc-1.51.0-src.tar.xz.drv /gnu/store/q9mbicnmrpd1c98vmi5y0gyjnpr3gqbn-rust-1.50.0.drv /gnu/store/h5959ysczr862ldwh6f85h10895c4csp-rust-1.49.0.drv /gnu/store/izgl0l21r5lwd3d3glxqwmigl0315b26-rustc-1.49.0-src.tar.xz.drv /gnu/store/n0dpka76b9q0w4r2k912qq5p2a57bz6c-rust-1.48.0.drv /gnu/store/a9qwa9cl90xrm2dpa3hnd3ak54nqss8n-rust-1.47.0.drv /gnu/store/7ib14fx50651av5bq5g195cqf2azsvhc-rust-1.46.0.drv /gnu/store/h3mxv9zlx8q3x0m0s5gvin2n1ndliivw-rust-1.45.2.drv /gnu/store/4i5xm0wcasilh55f9gfcrzp2sjdkd507-rust-1.44.1.drv /gnu/store/m7z7jdd2my4p9p5mjwa0cna4fzhd1v8j-rust-1.43.0.drv /gnu/store/pw4ynvgbnk1j6fxlh37a9wd8fyi7bjnc-rustc-1.50.0-src.tar.xz.drv /gnu/store/g9izbhyhc6jcalxgbxc6aas3aa66h2aa-rustc-1.52.1-src.tar.xz.drv /gnu/store/jbr3f7360x3ww5rn6nnb803yxq7ppck3-rustc-1.53.0-src.tar.xz.drv --8<---------------cut here---------------end--------------->8--- And here is what the error looks like: --8<---------------cut here---------------start------------->8--- rustc-1.52.1-src/src/llvm-project/clang/test/Misc/message-length.c rustc-1.52.1-src/src/llvm-project/clang/test/Driver/fmessage-length.c rustc-1.52.1-src/src/llvm-project/compiler-rt/test/hwasan/TestCases/stack-history-length.c rustc-1.52.1-src/src/llvm-project/clang/test/Sema/vector_swizzle_length.c rustc-1.52.1-src/src/llvm-project/clang/test/Sema/array-bounds-ptr-arith.c rustc-1.52.1-src/src/llvm-project/clang/test/Analysis/ptr-arith.c rustc-1.52.1-src/vendor/openssl-src/openssl/crypto/engine/tb_asnmth.c rustc-1.52.1-src/src/llvm-project/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_cnth.c rustc-1.52.1-src/vendor/openssl-src/openssl/crypto/pem/pem_oth.c rustc-1.52.1-src/vendor/libgit2-sys/libgit2/src/transports/auth.c guix offload: error: failed to connect to '127.0.0.1': Timeout connecting to 127.0.0.1 cannot build derivation `/gnu/store/4i5xm0wcasilh55f9gfcrzp2sjdkd507-rust-1.44.1.drv': 1 dependencies couldn't be built cannot build derivation `/gnu/store/h3mxv9zlx8q3x0m0s5gvin2n1ndliivw-rust-1.45.2.drv': 1 dependencies couldn't be built cannot build derivation `/gnu/store/7ib14fx50651av5bq5g195cqf2azsvhc-rust-1.46.0.drv': 1 dependencies couldn't be built cannot build derivation `/gnu/store/a9qwa9cl90xrm2dpa3hnd3ak54nqss8n-rust-1.47.0.drv': 1 dependencies couldn't be built cannot build derivation `/gnu/store/n0dpka76b9q0w4r2k912qq5p2a57bz6c-rust-1.48.0.drv': 1 dependencies couldn't be built cannot build derivation `/gnu/store/h5959ysczr862ldwh6f85h10895c4csp-rust-1.49.0.drv': 1 dependencies couldn't be built cannot build derivation `/gnu/store/q9mbicnmrpd1c98vmi5y0gyjnpr3gqbn-rust-1.50.0.drv': 1 dependencies couldn't be built cannot build derivation `/gnu/store/72572pjayh2j5frr187i7axjzfd01kp6-rust-1.51.0.drv': 1 dependencies couldn't be built cannot build derivation `/gnu/store/9v5yl0fg4dj1n82pkznksasmdjgi541w-rust-1.52.1.drv': 1 dependencies couldn't be built cannot build derivation `/gnu/store/x1v25nclqps677j1g5dvyck2njaxy0ya-rust-1.53.0.drv': 1 dependencies couldn't be built cannot build derivation `/gnu/store/nv3l1lyx4x33gx80pxk8033g01b6bv0m-rust-1.54.0.drv': 1 dependencies couldn't be built guix build: error: build of `/gnu/store/nv3l1lyx4x33gx80pxk8033g01b6bv0m-rust-1.54.0.drv' failed real 2m50.854s user 0m11.302s sys 0m0.661s --8<---------------cut here---------------end--------------->8--- It occurs shortly after heavy scrolling starts. I've verified that it's not my network link at least on my local network; any ideas what I should look into for debugging? Perhaps the logs/strace of the remote SSH server? Thanks, Maxim