René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"`wpt/test-wasm-jsapi` sometimes crashes on AIX","articleBody":"### Test\n\nwpt/test-wasm-jsapi\n\n### Platform\n\nAIX\n\n### Console output\n\n```console\n21:53:20 ok 5280 wpt/test-user-timing # TODO : Fix flaky test\n21:53:20   ---\n21:53:20   duration_ms: 917.03200\n21:53:20   ...\n21:53:21 not ok 5281 wpt/test-wasm-jsapi\n21:53:21   ---\n21:53:21   duration_ms: 1557.51600\n21:53:21   severity: crashed\n21:53:21   exitcode: -5\n21:53:21   stack: |-\n21:53:21     [SKIPPED] esm-integration/global-exports-live-bindings.tentative.any.js: Live bindings unsupported pending V8 WebAssemblyModuleRecord\n...\n21:53:22     [PASS] basic 4\n21:53:22     (node:29032854) ExperimentalWarning: Importing WebAssembly module instances is an experimental feature and might change at any time\n21:53:22     (Use `node --trace-warnings ...` to show where the warning was created)\n21:53:22     (node:29032854) ExperimentalWarning: vm.USE_MAIN_CONTEXT_DEFAULT_LOADER is an experimental feature and might change at any time\n21:53:22     (Use `node --trace-warnings ...` to show where the warning was created)\n21:53:22     (node:29032854) ExperimentalWarning: Importing WebAssembly module instances is an experimental feature and might change at any time\n21:53:22     (node:29032854) ExperimentalWarning: vm.USE_MAIN_CONTEXT_DEFAULT_LOADER is an experimental feature and might change at any time\n21:53:22     (Use `node --trace-warnings ...` to show where the warning was created)\n21:53:22     (node:29032854) ExperimentalWarning: Importing WebAssembly module instances is an experimental feature and might change at any time\n21:53:22     (node:29032854) ExperimentalWarning: vm.USE_MAIN_CONTEXT_DEFAULT_LOADER is an experimental feature and might change at any time\n21:53:22     (Use `node --trace-warnings ...` to show where the warning was created)\n21:53:22     (node:29032854) ExperimentalWarning: Importing WebAssembly module instances is an experimental feature and might change at any time\n21:53:22     (node:29032854) ExperimentalWarning: vm.USE_MAIN_CONTEXT_DEFAULT_LOADER is an experimental feature and might change at any time\n21:53:22     (Use `node --trace-warnings ...` to show where the warning was created)\n21:53:22     (node:29032854) ExperimentalWarning: Importing WebAssembly module instances is an experimental feature and might change at any time\n21:53:22     (node:29032854) ExperimentalWarning: vm.USE_MAIN_CONTEXT_DEFAULT_LOADER is an experimental feature and might change at any time\n21:53:22     (Use `node --trace-warnings ...` to show where the warning was created)\n21:53:22     (node:29032854) ExperimentalWarning: vm.USE_MAIN_CONTEXT_DEFAULT_LOADER is an experimental feature and might change at any time\n21:53:22     (Use `node --trace-warnings ...` to show where the warning was created)\n21:53:22     (node:29032854) ExperimentalWarning: vm.USE_MAIN_CONTEXT_DEFAULT_LOADER is an experimental feature and might change at any time\n21:53:22     (Use `node --trace-warnings ...` to show where the warning was created)\n21:53:22     (node:29032854) ExperimentalWarning: vm.USE_MAIN_CONTEXT_DEFAULT_LOADER is an experimental feature and might change at any time\n21:53:22     (Use `node --trace-warnings ...` to show where the warning was created)\n21:53:22     (node:29032854) ExperimentalWarning: Importing WebAssembly module instances is an experimental feature and might change at any time\n21:53:22     (node:29032854) ExperimentalWarning: vm.USE_MAIN_CONTEXT_DEFAULT_LOADER is an experimental feature and might change at any time\n21:53:22     (Use `node --trace-warnings ...` to show where the warning was created)\n21:53:22     (node:29032854) ExperimentalWarning: Importing WebAssembly module instances is an experimental feature and might change at any time\n21:53:22     (node:29032854) ExperimentalWarning: vm.USE_MAIN_CONTEXT_DEFAULT_LOADER is an experimental feature and might change at any time\n21:53:22     (Use `node --trace-warnings ...` to show where the warning was created)\n21:53:22     (node:29032854) ExperimentalWarning: Importing WebAssembly module instances is an experimental feature and might change at any time\n21:53:22     \n21:53:22     \n21:53:22     #\n21:53:22     # Fatal error in , line 0\n21:53:22     # Check failed: ptr == address.\n21:53:22     #\n21:53:22     #\n21:53:22     #\n21:53:22     #FailureMessage Object: 1135e9ad0\n21:53:22     ----- Native stack trace -----\n21:53:22     \n21:53:22   ...\n...\n\n21:53:52 Failed tests:\n21:53:52 out/Release/node --experimental-wasm-modules /home/iojs/build/workspace/node-test-commit-aix/nodes/aix72-power9/test/wpt/test-wasm-jsapi.mjs\n21:53:52 gmake[1]: *** [Makefile:619: test-ci] Error 1\n```\n\n### Build links\n\n- https://ci.nodejs.org/job/node-test-commit-aix/nodes=aix72-power9/61914/console\n- https://ci.nodejs.org/job/node-test-commit-aix/nodes=aix72-power9/61967/console\n- https://ci.nodejs.org/job/node-test-commit-aix/nodes=aix72-power9/61997/console\n\n### Additional information\n\nWe suspect it is the same check/comment https://github.com/nodejs/node/blob/5b6091ce31068e1c86f863273cdd397ecb47e3b7/deps/v8/src/base/platform/platform-aix.cc#L194-L199 as referenced in https://github.com/nodejs/node/pull/62470.","author":{"url":"https://github.com/richardlau","@type":"Person","name":"richardlau"},"datePublished":"2026-04-09T14:10:20.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":8},"url":"https://github.com/62647/node/issues/62647"}