Segment 74
After the user revealed that the multi-round harness hang was caused by a faulty client-side proxy—not the engine or the TARGET_CTAS knob—the assistant reverted the mistaken knob removal by adding SGLANG_SM120_MMA_TARGET_CTAS=512 back into the decode service script and executing a full co-restart of prefill, decode, and router services. The system came up healthy and immediately handled real agent-harness load (decode_running peaked at 53), confirming the server was performant. The session concluded by updating DSV4_PD_DEADLOCK_ISSUE.md and DSV4_DECODE_PERF_PLAN.md to correct the previous narrative, retaining the orthogonal PD inflight-pin fixes as genuine improvements while documenting the actual proxy root cause.
restore SGLANG_SM120_MMA_TARGET_CTAS=512 in decode scriptco-restart prefill, decode, and router servicesupdate DSV4_PD_DEADLOCK_ISSUE.md with corrected root causeverify system health under real agent harness load