From 5cc29cfb8bdf1fadf3abb57556966785a8501285 Mon Sep 17 00:00:00 2001
From: Zhengxu Chen <zhxchen17@fb.com>
Date: Wed, 25 Feb 2026 01:01:09 -0500
Subject: [PATCH] [compile] Improve error message during artifacts load
 failure. (#35115)

Signed-off-by: zhxchen17 <zhxchen17@fb.com>
---
 vllm/compilation/decorators.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/vllm/compilation/decorators.py b/vllm/compilation/decorators.py
index 68be29cca8..c6bc5506a5 100644
--- a/vllm/compilation/decorators.py
+++ b/vllm/compilation/decorators.py
@@ -449,10 +449,15 @@ def _support_torch_compile(
                 self.was_aot_compile_fn_loaded_from_disk = True
             except Exception as e:
                 if os.path.exists(aot_compilation_path):
+                    if isinstance(e, EOFError):
+                        message = "Compile cache file corrupted."
+                    else:
+                        message = str(e)
                     logger.warning(
-                        "Cannot load aot compilation from path %s, error: %s",
+                        "Compiling model again due to a load failure from %s, "
+                        "reason: %s",
                         aot_compilation_path,
-                        str(e),
+                        message,
                     )
                 if envs.VLLM_FORCE_AOT_LOAD:
                     raise e