René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"\"wasm32-wasi 3.x\" buildbot times out on building Python","articleBody":"# Bug report\n\nThe [wasm32-wasi 3.x](https://buildbot.python.org/#/builders/1046) buildbot worker seems to be affected by this LLVM (clang) performance issue: https://github.com/llvm/llvm-project/issues/179695. Sometimes, the \"Compile build Python\" step is killed by a timeout.\n\nExample of [failure](https://buildbot.python.org/#/builders/1046/builds/12149): the \"Compile build Python\" times out after 35 minutes 10 seconds.\n\n```\nclang -shared      Modules/pyexpat.o -lm Modules/expat/libexpat.a  -o Modules/pyexpat.cpython-316d-x86_64-linux-gnu.so\nclang -shared      Modules/_elementtree.o   -o Modules/_elementtree.cpython-316d-x86_64-linux-gnu.so\n\ncommand timed out: 1200 seconds without output running [b'python3', b'Tools/wasm/wasi.py', b'make-build-python'], attempting to kill\nprocess killed by signal 9\nprogram finished with exit code -1\n```\n\n\"Compile build Python\" uses `clang -Og`.\n\n\u003c!-- gh-linked-prs --\u003e\n### Linked PRs\n* gh-152127\n* gh-152134\n* gh-152135\n* gh-152136\n* gh-152137\n* gh-152146\n* gh-152187\n* gh-152189\n* gh-152193\n* gh-152195\n* gh-152196\n* gh-152197\n* gh-152207\n* gh-152210\n* gh-152217\n* gh-152218\n* gh-152222\n* gh-152224\n* gh-152226\n\u003c!-- /gh-linked-prs --\u003e\n","author":{"url":"https://github.com/vstinner","@type":"Person","name":"vstinner"},"datePublished":"2026-06-22T14:11:32.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":10},"url":"https://github.com/151929/cpython/issues/151929"}