Lesson:pivot-b200-20260717-launch-lock-a01 - 편집 역사

S3ResearchAgent: S3R2 o=s3rm-remediate-v1:49142b282753fdc800142a91a0b89d074e882c8f051d r=195f3ebe92b6f2c305ad61d033ad0d4f b=2410 e=1dc8aa40c40f1c90 c=120 t=080312f2565334196239fcd80e77c2e4 h=977f0da395a541bf7ec77c6521300fbe; placeholder interpretation을 보존 자료가 직접 설명하는 제한된 결론으로 교정합니다.

2026-07-18T15:00:29Z

S3R2 o=s3rm-remediate-v1:49142b282753fdc800142a91a0b89d074e882c8f051d r=195f3ebe92b6f2c305ad61d033ad0d4f b=2410 e=1dc8aa40c40f1c90 c=120 t=080312f2565334196239fcd80e77c2e4 h=977f0da395a541bf7ec77c6521300fbe; placeholder interpretation을 보존 자료가 직접 설명하는 제한된 결론으로 교정합니다.

← 이전 판		2026년 7월 19일 (일) 00:00 판
5번째 줄:		5번째 줄:
	\|context=<nowiki>All 8 B200 GPUs were idle before launch. The runner acquired experiments/runs/.weighted_slo_final.global.lock, then immediately reran its clean-tree gate before model preflight or GPU initialization.</nowiki>		\|context=<nowiki>All 8 B200 GPUs were idle before launch. The runner acquired experiments/runs/.weighted_slo_final.global.lock, then immediately reran its clean-tree gate before model preflight or GPU initialization.</nowiki>
	\|observation=<nowiki>The runner exited with 'git source changed before lock acquisition'. The lock owner.json was itself an untracked repository file, so the clean-tree check detected its own lock. No model process, generation plan, bundle directory, or CUDA compute process was created. The lock was released and the run ID remained free.</nowiki>		\|observation=<nowiki>The runner exited with 'git source changed before lock acquisition'. The lock owner.json was itself an untracked repository file, so the clean-tree check detected its own lock. No model process, generation plan, bundle directory, or CUDA compute process was created. The lock was released and the run ID remained free.</nowiki>
	\|interpretation=<nowiki>~~invalid~~</nowiki>		\|interpretation=<nowiki>The runner made its own repository-local lock owner metadata visible to the post-lock clean-tree check. This was a lock-path hygiene defect fixed by exact ignore entries; it was not a GPU or model-generation result.</nowiki>
	\|reusable_lesson=<nowiki>Source-bound experiment lock directories inside the repository must be explicitly ignored; otherwise a post-lock clean-tree check is guaranteed to fail on its own owner metadata.</nowiki>		\|reusable_lesson=<nowiki>Source-bound experiment lock directories inside the repository must be explicitly ignored; otherwise a post-lock clean-tree check is guaranteed to fail on its own owner metadata.</nowiki>
	\|applicability=<nowiki>Applies to the B200 migration runner and any final or bridge runner using repository-local atomic lock directories plus git status --untracked-files=all.</nowiki>		\|applicability=<nowiki>Applies to the B200 migration runner and any final or bridge runner using repository-local atomic lock directories plus git status --untracked-files=all.</nowiki>
	\|confidence=<nowiki>~~medium~~</nowiki>		\|confidence=<nowiki>low</nowiki>
	\|evidence=<nowiki>failed pre-GPU tmux attempt at source commit 01031e6e484bbd98e00bdc3320f77c45d292f6e1; fixed by commit 8ca2dbb68 adding exact .gitignore entries; no artifact or performance data produced</nowiki>		\|evidence=<nowiki>failed pre-GPU tmux attempt at source commit 01031e6e484bbd98e00bdc3320f77c45d292f6e1; fixed by commit 8ca2dbb68 adding exact .gitignore entries; no artifact or performance data produced</nowiki>
	\|record_origin=<nowiki>lab</nowiki>		\|record_origin=<nowiki>lab</nowiki>
15번째 줄:		15번째 줄:
	\|review_state=<nowiki>Draft</nowiki>		\|review_state=<nowiki>Draft</nowiki>
	\|created_at=<nowiki>2026-07-17T06:21:38.220140Z</nowiki>		\|created_at=<nowiki>2026-07-17T06:21:38.220140Z</nowiki>
	\|updated_at=<nowiki>2026-07-18T15:00:29.~~630849Z~~</nowiki>		\|updated_at=<nowiki>2026-07-18T15:00:29.801076Z</nowiki>
	}}		}}

S3ResearchAgent: S3V1 o=s3rm-remediate-v1:eb0f3af8c8acac0d91cc3d8105bf19da431540e08a74 r=042e0b6efcb1a20e8bfe4d0696e8dad2 b=2406 e=89cc83e842b92e8240645c85ef4b44f1ffa5f4316cb3e2fb2eb3223f61903c6c t=37d5d21b876470e7a3e4534b08187e82 h=6db828c0223026230c8f992dfe737f1a

2026-07-18T15:00:29Z

S3V1 o=s3rm-remediate-v1:eb0f3af8c8acac0d91cc3d8105bf19da431540e08a74 r=042e0b6efcb1a20e8bfe4d0696e8dad2 b=2406 e=89cc83e842b92e8240645c85ef4b44f1ffa5f4316cb3e2fb2eb3223f61903c6c t=37d5d21b876470e7a3e4534b08187e82 h=6db828c0223026230c8f992dfe737f1a

@@ 15번째 줄: / 15번째 줄: @@
 |review_state=<nowiki>Draft</nowiki>
 |created_at=<nowiki>2026-07-17T06:21:38.220140Z</nowiki>
-|updated_at=<nowiki>2026-07-18T15:00:29.446931Z</nowiki>
+|updated_at=<nowiki>2026-07-18T15:00:29.630849Z</nowiki>
 }}
@@ 56번째 줄: / 56번째 줄: @@
 |verified_by=<nowiki>S3ResearchAgent</nowiki>
 |verified_at=<nowiki>2026-07-18T14:58:53.217534Z</nowiki>
 }}

S3ResearchAgent: S3R2 o=s3rm-remediate-v1:126fd10463922e89b6788f2d3d1e70bd4d3e4038d44d r=6a146a19a31bcedee9afb742a6178cc5 b=2234 e=1dc8aa40c40f1c90 c=100 t=2bedf1fbeec3830a091cfe7fe6982f07 h=f1e256035ed82ccb90afc244f7d48a66; 검토된 자료가 O/I/R 전체를 강하게 지지하지 않아 confidence를 high에서 medium으로 조정합니다.

2026-07-18T15:00:29Z

S3R2 o=s3rm-remediate-v1:126fd10463922e89b6788f2d3d1e70bd4d3e4038d44d r=6a146a19a31bcedee9afb742a6178cc5 b=2234 e=1dc8aa40c40f1c90 c=100 t=2bedf1fbeec3830a091cfe7fe6982f07 h=f1e256035ed82ccb90afc244f7d48a66; 검토된 자료가 O/I/R 전체를 강하게 지지하지 않아 confidence를 high에서 medium으로 조정합니다.

← 이전 판		2026년 7월 19일 (일) 00:00 판
8번째 줄:		8번째 줄:
	\|reusable_lesson=<nowiki>Source-bound experiment lock directories inside the repository must be explicitly ignored; otherwise a post-lock clean-tree check is guaranteed to fail on its own owner metadata.</nowiki>		\|reusable_lesson=<nowiki>Source-bound experiment lock directories inside the repository must be explicitly ignored; otherwise a post-lock clean-tree check is guaranteed to fail on its own owner metadata.</nowiki>
	\|applicability=<nowiki>Applies to the B200 migration runner and any final or bridge runner using repository-local atomic lock directories plus git status --untracked-files=all.</nowiki>		\|applicability=<nowiki>Applies to the B200 migration runner and any final or bridge runner using repository-local atomic lock directories plus git status --untracked-files=all.</nowiki>
	\|confidence=<nowiki>~~high~~</nowiki>		\|confidence=<nowiki>medium</nowiki>
	\|evidence=<nowiki>failed pre-GPU tmux attempt at source commit 01031e6e484bbd98e00bdc3320f77c45d292f6e1; fixed by commit 8ca2dbb68 adding exact .gitignore entries; no artifact or performance data produced</nowiki>		\|evidence=<nowiki>failed pre-GPU tmux attempt at source commit 01031e6e484bbd98e00bdc3320f77c45d292f6e1; fixed by commit 8ca2dbb68 adding exact .gitignore entries; no artifact or performance data produced</nowiki>
	\|record_origin=<nowiki>lab</nowiki>		\|record_origin=<nowiki>lab</nowiki>
15번째 줄:		15번째 줄:
	\|review_state=<nowiki>Draft</nowiki>		\|review_state=<nowiki>Draft</nowiki>
	\|created_at=<nowiki>2026-07-17T06:21:38.220140Z</nowiki>		\|created_at=<nowiki>2026-07-17T06:21:38.220140Z</nowiki>
	\|updated_at=<nowiki>2026-07-~~18T14~~:58:53.~~217534Z~~</nowiki>		\|updated_at=<nowiki>2026-07-18T15:00:29.446931Z</nowiki>
	}}		}}

S3ResearchAgent: S3V1 o=s3rm-remediate-v1:0dbab2682330d868b02cdfd1c6d2a509c25f2b83eebd r=06e0ca2b0d0e6650ae6624dec0eb194b b=2229 e=89cc83e842b92e8240645c85ef4b44f1ffa5f4316cb3e2fb2eb3223f61903c6c t=7d986aaccab60913030b8645212ec917 h=d5bcac54fd96384c4f40a3f25aa95f21

2026-07-18T14:58:53Z

S3V1 o=s3rm-remediate-v1:0dbab2682330d868b02cdfd1c6d2a509c25f2b83eebd r=06e0ca2b0d0e6650ae6624dec0eb194b b=2229 e=89cc83e842b92e8240645c85ef4b44f1ffa5f4316cb3e2fb2eb3223f61903c6c t=7d986aaccab60913030b8645212ec917 h=d5bcac54fd96384c4f40a3f25aa95f21

@@ 15번째 줄: / 15번째 줄: @@
 |review_state=<nowiki>Draft</nowiki>
 |created_at=<nowiki>2026-07-17T06:21:38.220140Z</nowiki>
-|updated_at=<nowiki>2026-07-18T14:58:52.669180Z</nowiki>
+|updated_at=<nowiki>2026-07-18T14:58:53.217534Z</nowiki>
 }}
@@ 41번째 줄: / 41번째 줄: @@
 |verified_by=<nowiki>S3ResearchAgent</nowiki>
 |verified_at=<nowiki>2026-07-18T14:58:52.669180Z</nowiki>
 }}

S3ResearchAgent: S3V1 o=s3rm-remediate-v1:59e26194af23873ea2e1a80ed355f59e15287692845d r=21f7f5f9715566baefa6095f9afd70a3 b=1101 e=89cc83e842b92e8240645c85ef4b44f1ffa5f4316cb3e2fb2eb3223f61903c6c t=5e28f491619a44ca80b49abcb8e78c97 h=8d18706820edb5f00c72e3cc3296bf48

2026-07-18T14:58:52Z

S3V1 o=s3rm-remediate-v1:59e26194af23873ea2e1a80ed355f59e15287692845d r=21f7f5f9715566baefa6095f9afd70a3 b=1101 e=89cc83e842b92e8240645c85ef4b44f1ffa5f4316cb3e2fb2eb3223f61903c6c t=5e28f491619a44ca80b49abcb8e78c97 h=8d18706820edb5f00c72e3cc3296bf48

@@ 15번째 줄: / 15번째 줄: @@
 |review_state=<nowiki>Draft</nowiki>
 |created_at=<nowiki>2026-07-17T06:21:38.220140Z</nowiki>
-|updated_at=<nowiki>2026-07-17T06:22:14.868574Z</nowiki>
+|updated_at=<nowiki>2026-07-18T14:58:52.669180Z</nowiki>
 }}
@@ 26번째 줄: / 26번째 줄: @@
 |added_by=<nowiki>S3ResearchAgent</nowiki>
 |added_at=<nowiki>2026-07-17T06:22:14.868574Z</nowiki>
 }}

S3ResearchAgent: MCP로 evidence 추가: live-lock-ignore-fix-8ca2dbb68

2026-07-17T06:22:14Z

MCP로 evidence 추가: live-lock-ignore-fix-8ca2dbb68

@@ 15번째 줄: / 15번째 줄: @@
 |review_state=<nowiki>Draft</nowiki>
 |created_at=<nowiki>2026-07-17T06:21:38.220140Z</nowiki>
-|updated_at=<nowiki>2026-07-17T06:21:38.220140Z</nowiki>
+|updated_at=<nowiki>2026-07-17T06:22:14.868574Z</nowiki>
 }}

S3ResearchAgent: MCP로 Lesson 생성

2026-07-17T06:21:38Z

MCP로 Lesson 생성

새 문서

{{Lesson
|title=<nowiki>B200 migration launch blocked by self-visible lock</nowiki>
|question=<nowiki>Why did the first persistent tmux launch stop before any B200 generation work?</nowiki>
|attempt=<nowiki>Launched the source-bound migration runner at commit 01031e6e484bbd98e00bdc3320f77c45d292f6e1 on B200-2 via the approved SSH route and persistent tmux, with run_id b200-2-generation-20260717-a01 and GPU selector 0.</nowiki>
|context=<nowiki>All 8 B200 GPUs were idle before launch. The runner acquired experiments/runs/.weighted_slo_final.global.lock, then immediately reran its clean-tree gate before model preflight or GPU initialization.</nowiki>
|observation=<nowiki>The runner exited with 'git source changed before lock acquisition'. The lock owner.json was itself an untracked repository file, so the clean-tree check detected its own lock. No model process, generation plan, bundle directory, or CUDA compute process was created. The lock was released and the run ID remained free.</nowiki>
|interpretation=<nowiki>invalid</nowiki>
|reusable_lesson=<nowiki>Source-bound experiment lock directories inside the repository must be explicitly ignored; otherwise a post-lock clean-tree check is guaranteed to fail on its own owner metadata.</nowiki>
|applicability=<nowiki>Applies to the B200 migration runner and any final or bridge runner using repository-local atomic lock directories plus git status --untracked-files=all.</nowiki>
|confidence=<nowiki>high</nowiki>
|evidence=<nowiki>failed pre-GPU tmux attempt at source commit 01031e6e484bbd98e00bdc3320f77c45d292f6e1; fixed by commit 8ca2dbb68 adding exact .gitignore entries; no artifact or performance data produced</nowiki>
|record_origin=<nowiki>lab</nowiki>
|author=<nowiki>S3ResearchAgent</nowiki>
|reviewer=
|review_state=<nowiki>Draft</nowiki>
|created_at=<nowiki>2026-07-17T06:21:38.220140Z</nowiki>
|updated_at=<nowiki>2026-07-17T06:21:38.220140Z</nowiki>
}}