我正在使用Ogre3d制作一个3D音乐可视化工具，基本上它是一个频谱分析器，很像旧的xmms插件：
效果很好，条形图被绘制和更新，没有帧速率问题，但它会随机崩溃。 有时它可以毫无问题地运行，完成歌曲，有时它会立即崩溃，有时音乐会停止，而不会崩溃。
以下是主类的源代码：
https://github.com/balazsbela/OgreVisualizer/blob/master/src/VisualizerApplication.cpp#L221
当我从Ogre样本显示帧率叠加时，崩溃似乎也不常发生。 限制帧率会有帮助吗？
崩溃似乎是随机的。这是性能问题吗？
请帮帮我，我很遗憾，我也在Ogre3d论坛上发帖，但我没有收到回复。
（HTTP）：//www.ogre3d.org/forums/viewtopic.php F = 2＆amp; T公司= 63207
谢谢。
Backtrace：
balazsbela@darknet:~/workspace/OgreVisualizer/Release$ gdb OgreVisualizer core
GNU gdb (GDB) 7.2-debian
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "i486-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /home/balazsbela/workspace/OgreVisualizer/Release/OgreVisualizer...done.
[New Thread 17705]
[New Thread 17702]
[New Thread 17703]
[New Thread 17700]
Reading symbols from /usr/lib/libv4l/v4l1compat.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libv4l/v4l1compat.so
Reading symbols from /usr/local/lib/libOgreMain.so.1.7.1...done.
Loaded symbols for /usr/local/lib/libOgreMain.so.1.7.1
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done.
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done.
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Reading symbols from /lib/i686/cmov/libnsl.so.1...Reading symbols from /usr/lib/debug/lib/i686/cmov/libnsl-2.11.2.so...done.
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Core was generated by `./OgreVisualizer'.
Program terminated with signal 11, Segmentation fault.
#0 0xb6dc563d in std::_Rb_tree_insert_and_rebalance(bool, std::_Rb_tree_node_base*, std::_Rb_tree_node_base*, std::_Rb_tree_node_base&) ()
from /usr/lib/libstdc++.so.6
(gdb) bt
#0 0xb6dc563d in std::_Rb_tree_insert_and_rebalance(bool, std::_Rb_tree_node_base*, std::_Rb_tree_node_base*, std::_Rb_tree_node_base&) ()
from /usr/lib/libstdc++.so.6
#1 0xb73bb3c2 in std::_Rb_tree<Ogre::Node*, Ogre::Node*, std::_Identity<Ogre::Node*>, std::less<Ogre::Node*>, Ogre::STLAllocator<Ogre::Node*, Ogre::CategorisedAllocPolicy<(Ogre::MemoryCategory)0> > >::_M_insert_(std::_Rb_tree_node_base const*, std::_Rb_tree_node_base const*, Ogre::Node* const&) ()
from /usr/local/lib/libOgreMain.so.1.7.1
#2 0xb73b5a52 in _M_insert_unique (this=0xb6157ea0, child=0xb616aff8, forceParentUpdate=false) at /usr/include/c++/4.4/bits/stl_tree.h:1182
#3 insert (this=0xb6157ea0, child=0xb616aff8, forceParentUpdate=false) at /usr/include/c++/4.4/bits/stl_set.h:411
#4 Ogre::Node::requestUpdate (this=0xb6157ea0, child=0xb616aff8, forceParentUpdate=false)
at /home/balazsbela/Downloads/ogre_src_v1-7-1/OgreMain/src/OgreNode.cpp:805
#5 0xb73b6a40 in Ogre::Node::needUpdate (this=0xb616aff8, forceParentUpdate=92)
at /home/balazsbela/Downloads/ogre_src_v1-7-1/OgreMain/src/OgreNode.cpp:789
#6 0xb73b5038 in Ogre::Node::setScale (this=0x1825c, scale=...) at /home/balazsbela/Downloads/ogre_src_v1-7-1/OgreMain/src/OgreNode.cpp:638
#7 0x0805d306 in VisualizerApplication::adjustNodes (this=0x9cd4808) at ../src/VisualizerApplication.cpp:236
#8 0xb6e867f0 in ?? () from /usr/lib/libSDL_mixer-1.2.so.0
#9 0xb6e8719a in ?? () from /usr/lib/libSDL_mixer-1.2.so.0
#10 0xb6ed9b0d in ?? () from /usr/lib/libSDL-1.2.so.0
#11 0xb6ee185e in ?? () from /usr/lib/libSDL-1.2.so.0
#12 0xb6f2e0bd in ?? () from /usr/lib/libSDL-1.2.so.0
#13 0xb6bc7955 in start_thread (arg=0xb198ab70) at pthread_create.c:300
#14 0xb6ca6e7e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
(gdb)
Ogre.log：http://pastie.org/1581790
答案 0 :(得分：1)
我无法在您发布的链接中找到第236行，但是这种段错误通常与更改STL结构有关，当您使用堆栈中位于其下方的函数中的迭代器访问它时。 p>