### What this PR does / why we need it? 1. Solved the issue where sizes capture failed for the Qwen3-32b-int8 model when aclgraph, dp1, and tp4 were enabled. 2. Added the exception thrown when sizes capture fails and provided a solution 3. Add this common problem to the FAQ doc ### Does this PR introduce _any_ user-facing change? no ### How was this patch tested? ut - vLLM version: v0.10.2 - vLLM main: https://github.com/vllm-project/vllm/commit/releases/v0.11.0 Signed-off-by: lilinsiman <lilinsiman@gmail.com>