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build: test-permission-drop-ffi test fails with Missing FFI test fixture library error #66055
Description
Version
26.8.2
Platform
Guix System with Linux 7.1.8.
Subsystem
No response
What steps will reproduce the bug?
Build latest release (26.8.2) from source in an environment made of:
bash-minimal@5.2.37 brotli@1.2.0 c-ares@1.34.4 coreutils@9.1 icu4c@76.1 libuv@1.52.1
+ llhttp-bootstrap@9.4.2 nghttp2@1.69.0 nghttp3@1.11.0 ngtcp2@1.15.1 openssl@3.5.7 perl@5.36.0
+ pkg-config@0.29.2 procps@4.0.3 python@3.12.12 util-linux@2.42.2 zlib@1.3.1 zstd@1.5.6
The configure flags used are:
("--shared-cares"
"--shared-libuv"
"--shared-http-parser"
"--shared-http-parser-libname=llhttp"
"--shared-nghttp2"
"--shared-openssl"
"--shared-zlib"
"--shared-brotli"
"--with-intl=system-icu"
"--shared-ngtcp2"
"--shared-nghttp3"
"--shared-zstd"
"--shared"
;;Needed for correct snapshot checksums
"--v8-enable-snapshot-compression")
Run make test-ci-js to run the test suite.
How often does it reproduce? Is there a required condition?
Always.
What is the expected behavior? Why is that the expected behavior?
All tests should pass. If some dependency (test or otherwise) needs to be built for a test, the build system should take care of it automatically.
What do you see instead?
not ok 2796 parallel/test-permission-drop-ffi
---
duration_ms: 55.72600
severity: fail
exitcode: 1
stack: |-
/tmp/guix-build-node-26.8.2.drv-0/node-v26.8.2/test/ffi/ffi-test-common.js:21
throw new Error(
^
Error: Missing FFI test fixture library: /tmp/guix-build-node-26.8.2.drv-0/node-v26.8.2/test/ffi/fixture_library/build/Release/ffi_test_library.so. Build it first with `make build-ffi-tests` or the equivalent test build step.
at ensureFixtureLibrary (/tmp/guix-build-node-26.8.2.drv-0/node-v26.8.2/test/ffi/ffi-test-common.js:21:11)
at Object.<anonymous> (/tmp/guix-build-node-26.8.2.drv-0/node-v26.8.2/test/ffi/ffi-test-common.js:28:1)
at Module._compile (node:internal/modules/cjs/loader:1934:14)
at Object..js (node:internal/modules/cjs/loader:2074:10)
at Module.load (node:internal/modules/cjs/loader:1656:32)
at Module._load (node:internal/modules/cjs/loader:1448:12)
at wrapModuleLoad (node:internal/modules/cjs/loader:261:19)
at Module.require (node:internal/modules/cjs/loader:1679:12)
at require (node:internal/modules/helpers:196:16)
at Object.<anonymous> (/tmp/guix-build-node-26.8.2.drv-0/node-v26.8.2/test/parallel/test-permission-drop-ffi.js:5:41)
Node.js v26.8.2
...
Additional information
No response
Activity
herrickP commentedon Sep 16, 2026
The error indicates that the FFI test fixture library was not built before running the test suite.
Please run:
make build-ffi-tests
make test-ci-js
The first command builds ffi_test_library.so, which is required by test-permission-drop-ffi.
Since you're building Node.js with a custom set of --shared-* options on Guix, if the library still isn't generated, the next thing to check would be whether the test build step is being skipped by the build configuration.
Please let me know if this solution worked.
Herrick, DevOps Engineer @Accuweb.cloud
apteryks commentedon Sep 16, 2026
The solution works, and it was hinted in the error message, but my suggestion would be for the build system to detect this situation and depend on the
build-ffi-testsin this case, so that it is built automatically without the need for an error/user intervention; does that make sense?inoway46 commentedon Sep 17, 2026
FYI, #66059 moves this test to the native FFI suite, where the FFI fixtures are built as part of
test-ci-native, so they shouldn't need to be built manually.test: move permission FFI test to native suite
test: move permission FFI test to native suite