diff --git a/services/capture/src/capture-manager.js b/services/capture/src/capture-manager.js
index 45e4bf2..3d6908a 100644
--- a/services/capture/src/capture-manager.js
+++ b/services/capture/src/capture-manager.js
@@ -936,12 +936,8 @@ cleanup() { rm -f "$VF" "$AF"; [ -n "$PATCHPID" ] && kill "$PATCHPID" 2>/dev/nul
 # Prime both FIFOs read-write (non-blocking) to break the open-order deadlock.
 exec 7<>"$VF" 8<>"$AF"
 # raw2bmx: close priming FDs (no stray writer) before exec so it sees real EOF.
-# CRITICAL: redirect raw2bmx stdin from /dev/null so it does NOT inherit the
-# parent bash stdin. When the video source is fc_pipe (framecache), bash stdin
-# carries the raw video stream destined for ffmpeg's pipe:0 — if raw2bmx also
-# inherited fd 0 it would steal bytes from that stream, corrupting both the
-# growing master and the ffmpeg input.
-( exec 7>&- 8>&- 0</dev/null; exec ${bmxLine} ) &
+# Capture raw2bmx stderr to /tmp/raw2bmx.log for debugging.
+( exec 7>&- 8>&- 0</dev/null; exec ${bmxLine} >/tmp/raw2bmx.log 2>&1 ) &
 BMXPID=$!
 # ffmpeg: closes priming FDs and EXPLICITLY inherits bash stdin (fd 0) so that
 # 'pipe:0' reads the fc_pipe video stream Node piped into this orchestrator's