From 124eb427581c2be9b271e0561b1601d1eebcff9c Mon Sep 17 00:00:00 2001
From: Dean Lee <deanlee3@gmail.com>
Date: Tue, 11 Nov 2025 10:10:50 +0800
Subject: [PATCH] ui: fix CameraView crash caused by stale frame (#36563)

fix CameraView crash from stale frame
---
 selfdrive/ui/onroad/cameraview.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/selfdrive/ui/onroad/cameraview.py b/selfdrive/ui/onroad/cameraview.py
index 98dd00ebaa..87db7cc636 100644
--- a/selfdrive/ui/onroad/cameraview.py
+++ b/selfdrive/ui/onroad/cameraview.py
@@ -155,6 +155,8 @@ class CameraView(Widget):
     if self.shader and self.shader.id:
       rl.unload_shader(self.shader)
 
+    self.frame = None
+    self.available_streams.clear()
     self.client = None
 
   def __del__(self):
@@ -191,6 +193,9 @@ class CameraView(Widget):
     if buffer:
       self._texture_needs_update = True
       self.frame = buffer
+    elif not self.client.is_connected():
+      # ensure we clear the displayed frame when the connection is lost
+      self.frame = None
 
     if not self.frame:
       self._draw_placeholder(rect)