From 41d1ccd39c5dbddb122eb8910bd0fcdf7996d19e Mon Sep 17 00:00:00 2001
From: Classic298 <27028174+Classic298@users.noreply.github.com>
Date: Sat, 10 Jan 2026 12:34:12 +0100
Subject: [PATCH] Update channels.py (#20546)

---
 backend/open_webui/routers/channels.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/backend/open_webui/routers/channels.py b/backend/open_webui/routers/channels.py
index 777f5e74ea..4e697142bf 100644
--- a/backend/open_webui/routers/channels.py
+++ b/backend/open_webui/routers/channels.py
@@ -1256,15 +1256,17 @@ async def post_new_message(
 
         active_user_ids = get_user_ids_from_room(f"channel:{channel.id}")
 
+        # NOTE: We intentionally do NOT pass db to background_handler.
+        # Background tasks should manage their own short-lived sessions to avoid
+        # holding database connections during slow operations (e.g., LLM calls).
         async def background_handler():
-            await model_response_handler(request, channel, message, user, db)
+            await model_response_handler(request, channel, message, user)
             await send_notification(
                 request.app.state.WEBUI_NAME,
                 request.app.state.config.WEBUI_URL,
                 channel,
                 message,
                 active_user_ids,
-                db=db,
             )
 
         background_tasks.add_task(background_handler)