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minke.yu b91137ab98
build-sglang-image / build (push) Successful in 27m52s
scheduler: CP-symmetric idle check for health-check admission
Health-check admit/skip used is_fully_idle(), which includes rank-local
hicache drain queues; ranks diverge right after activity, so one rank
dispatched the health-check generate while others piggyback-skipped,
deadlocking CP (hicache drain all_reduce vs CP request broadcast).
Seen on cp2/cp4 + hicache L3 after router health checks.

Recovered from b300 /data/ymk/sglang working copy (uncommitted WIP).
2026-09-24 12:01:57 +08:00
..