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train 1113185334: #2963 #2095 #2966 (CI only) - #3261

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ashhart wants to merge 17 commits into
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lead/train-1113185334
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ashhart wants to merge 17 commits into
mainfrom
lead/train-1113185334

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@ashhart

@ashhart ashhart commented Nov 13, 2026

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CI for a landing train: #2963 #2095 #2966 stacked on main in that order. Nothing merges from this PR: each PR above lands on its own once this tip is green, and this PR is then closed.

jschmied and others added 17 commits November 13, 2026 18:42
T0's group backend could not abort GLM's communicator before the
RoCE group was installed, because it only borrowed it. GLM now hands
the backend the group that owns the communicator from Engine.init,
so an abort always reaches it once, and the start-up unwind uses the
group's guarded destroy, which skips the destroy after an abort.
A failed spawn returned while the ranks already started still wrote to
the test's frame, the same pattern #2700 fixed in host.runWith. Both tests
now join the ranks they started on every return; in the gather test that
also covers rank 0's own steps between the spawns and the join. Every wait
in Bootstrap has a deadline, so the join is bounded.
Each app run uploads its ~230 MB AppImage, and with GitHub's default 90-day retention 2,069 copies (475 GB) had piled up
in Actions storage by 12 Nov, enough to hit the account's Actions limit. The build is smoke-tested in the job itself;
the upload is only for a quick download, which 3 days covers.
@ashhart

ashhart commented Nov 13, 2026

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Stopped: main is frozen for the 1.2.8 release at f8dacd7. These PRs land first after it.

@ashhart ashhart closed this Nov 13, 2026
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ashhart deleted the lead/train-1113185334 branch November 13, 2026 20:48
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5 participants