From cca49ca2cf07119023d6dffb9fa6d21cbc8f0b67 Mon Sep 17 00:00:00 2001
From: Stefano Bertelli <stefano@provvedo.com>
Date: Tue, 7 Apr 2026 17:48:16 -0500
Subject: [PATCH] fix: prevent collector subprocess from deadlocking on full
 pipe buffer

Collector was spawned with stdout=PIPE but nobody read from the pipe.
After days of accumulated log output the OS buffer filled, blocking
the collector and freezing all metrics updates.
---
 wiregui/main.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/wiregui/main.py b/wiregui/main.py
index 78b4315..235a0e4 100644
--- a/wiregui/main.py
+++ b/wiregui/main.py
@@ -92,8 +92,8 @@ def _start_collector() -> None:
     global _collector_proc
     _collector_proc = subprocess.Popen(
         [sys.executable, "-m", "wiregui.collector"],
-        stdout=subprocess.PIPE,
-        stderr=subprocess.STDOUT,
+        stdout=subprocess.DEVNULL,
+        stderr=subprocess.DEVNULL,
     )
     logger.info("Metrics collector started (pid={})", _collector_proc.pid)