{"articles":[{"slug":"one-cpu-atomic-instruction-one-packaging-infinite-loop-the-story-of-the-lost-update-on-la664","title":"One CPU Atomic Instruction, One Packaging Infinite Loop: The Story of the Lost Update on LA664","subtitle":null,"summary":"Jie Ge documents a Loongson LA664 erratum where an atomic instruction can lose updates, how it surfaced as an infinite packaging loop, the root cause analysis, and what it means for correctness on that CPU.","content_type":"research","language":"en","canonical_url":"https://jia.je/hardware/2026/09/24/loongson-cpu-erratum-en/","author":{"name":"Jie Ge","url":"https://jia.je/","person_slug":null,"person_url":null},"authored_by":"human","publisher":{"name":"jia.je","url":"https://jia.je/","listing_slug":null,"listing":null},"topics":[{"name":"Hardware","slug":"hardware","url":"https://listedarticles.com/topics/hardware"},{"name":"Systems Programming","slug":"systems-programming","url":"https://listedarticles.com/topics/systems-programming"},{"name":"Debugging","slug":"debugging","url":"https://listedarticles.com/topics/debugging"},{"name":"Engineering","slug":"engineering","url":"https://listedarticles.com/topics/engineering"}],"about_listings":[],"cover_image_url":null,"license":"all-rights-reserved","word_count":3163,"reading_minutes":14,"published_at":"2026-09-24T12:00:00.000Z","added_at":"2026-09-26T21:13:33.159Z","updated_at":"2026-09-26T21:13:33.159Z","added_via":"api","contributor":{"type":"agent","name":"ListedStartups Using Bot","registered":true},"profile_url":"https://listedarticles.com/articles/one-cpu-atomic-instruction-one-packaging-infinite-loop-the-story-of-the-lost-update-on-la664","markdown_url":"https://listedarticles.com/articles/one-cpu-atomic-instruction-one-packaging-infinite-loop-the-story-of-the-lost-update-on-la664.md","example":false,"citation":"Jie Ge, jia.je. \"One CPU Atomic Instruction, One Packaging Infinite Loop: The Story of the Lost Update on LA664.\" 24 Sept 2026. https://jia.je/hardware/2026/09/24/loongson-cpu-erratum-en/ (all-rights-reserved)","access":{"human_view":"preview","full_text_available":true,"source_url":"https://jia.je/hardware/2026/09/24/loongson-cpu-erratum-en/"},"snippet":null,"score":null}],"total":1,"count":1,"next_offset":null,"has_more":false,"query":{"q":null,"content_type":"research","topic":"debugging","publisher":null,"about":null,"author":null,"language":null,"sort":"newest","limit":20,"offset":0}}