From fee4f77b760cb70659cd44c9d487c893575ecd67 Mon Sep 17 00:00:00 2001
From: David Rose <david@ddrose.com>
Date: Wed, 14 Feb 2007 11:12:18 +0000
Subject: [PATCH] prevent server lockups

---
 pandatool/src/pstatserver/pStatStripChart.cxx | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/pandatool/src/pstatserver/pStatStripChart.cxx b/pandatool/src/pstatserver/pStatStripChart.cxx
index ebd74dd7e3..ea46c5a310 100644
--- a/pandatool/src/pstatserver/pStatStripChart.cxx
+++ b/pandatool/src/pstatserver/pStatStripChart.cxx
@@ -506,10 +506,13 @@ compute_average_pixel_data(PStatStripChart::FrameData &result,
 
   float then = now - pstats_average_time;
 
-  while (thread_data->get_frame(then_i).get_end() < then) {
+  int latest_frame = thread_data->get_latest_frame_number();
+  while (then_i <= latest_frame &&
+         thread_data->get_frame(then_i).get_end() < then) {
     then_i++;
   }
-  while (thread_data->get_frame(now_i).get_end() < now) {
+  while (now_i <= latest_frame &&
+         thread_data->get_frame(now_i).get_end() < now) {
     now_i++;
   }