From 8086468d2a1a5a6ed70fea3391e7fb9248ebc7da Mon Sep 17 00:00:00 2001
From: rattus <46076784+rattus128@users.noreply.github.com>
Date: Tue, 10 Mar 2026 09:05:31 -0700
Subject: [PATCH] main: switch on faulthandler (#12868)

When we get segfault bug reports we dont get much. Switch on pythons
inbuilt tracer for segfault.
---
 main.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/main.py b/main.py
index 83a7244db..8905fd09a 100644
--- a/main.py
+++ b/main.py
@@ -12,6 +12,7 @@ from app.logger import setup_logger
 import itertools
 import utils.extra_config
 from utils.mime_types import init_mime_types
+import faulthandler
 import logging
 import sys
 from comfy_execution.progress import get_progress_state
@@ -26,6 +27,8 @@ if __name__ == "__main__":
 
 setup_logger(log_level=args.verbose, use_stdout=args.log_stdout)
 
+faulthandler.enable(file=sys.stderr, all_threads=False)
+
 import comfy_aimdo.control
 
 if enables_dynamic_vram():