From cb4cbd414bd7c835532fd3dd87134a722f27b31e Mon Sep 17 00:00:00 2001
From: Andrey Kleshchev <117672381+akleshchev@users.noreply.github.com>
Date: Fri, 16 Jan 2026 01:56:17 +0200
Subject: #5084 Adjust watchdog to avoid false-positives

And increase allowed time to be more in tune with disconnects.
---
 indra/newview/app_settings/settings.xml | 2 +-
 indra/newview/llappviewer.cpp           | 9 ++++++++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 9b1af327eb..068d9c1663 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -4501,7 +4501,7 @@
         <key>Type</key>
         <string>F32</string>
         <key>Value</key>
-        <real>30.0</real>
+        <real>60.0</real>
     </map>
     <key>MapScale</key>
     <map>
diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index 85c647fc81..9673224878 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -1350,6 +1350,7 @@ bool LLAppViewer::doFrame()
 {
     LL_RECORD_BLOCK_TIME(FTM_FRAME);
     LL_PROFILE_GPU_ZONE("Frame");
+    resumeMainloopTimeout("Main:doFrameStart");
 #ifdef LL_DISCORD
     {
         LL_PROFILE_ZONE_NAMED("discord_callbacks");
@@ -1661,6 +1662,11 @@ bool LLAppViewer::doFrame()
         LL_INFOS() << "Exiting main_loop" << LL_ENDL;
     }
     }LLPerfStats::StatsRecorder::endFrame();
+
+    // Not viewer's fault if something outside frame
+    // pauses viewer (ex: macOS doesn't call oneFrame),
+    // so stop tracking on exit.
+    pauseMainloopTimeout();
     LL_PROFILER_FRAME_END;
 
     return ! LLApp::isRunning();
@@ -5913,7 +5919,8 @@ F32 LLAppViewer::getMainloopTimeoutSec() const
     if (LLStartUp::getStartupState() == STATE_STARTED
         && gAgent.getTeleportState() == LLAgent::TELEPORT_NONE)
     {
-        static LLCachedControl<F32> mainloop_started(gSavedSettings, "MainloopTimeoutStarted", 30.f);
+        // consider making this value match 'disconnected' timout.
+        static LLCachedControl<F32> mainloop_started(gSavedSettings, "MainloopTimeoutStarted", 60.f);
         return mainloop_started();
     }
     else
-- 
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