在Ubuntu环境里，通过./triangulation 1.png 2.png 命令运行高翔的ch7的triangulation程序时报错：
Gtk-Message: 09:10:26.571: Failed to load module "canberra-gtk-module"
查看一下模块位置：
locate libcanberra-gtk-module /usr/lib/x86_64-linux-gnu/gtk-3.0/modules/libcanberra-gtk-module.so
发现已经安装了，却加载不了。
重新安装一下吧。
sudo apt-get install libcanberra-gtk-module [sudo] password for simon: Reading package lists... Done Building dependency tree Reading state information... Done The following additional packages will be installed: libcanberra-gtk0 The following NEW packages will be installed: libcanberra-gtk-module libcanberra-gtk0 0 upgraded, 2 newly installed, 0 to remove and 175 not upgraded. Need to get 17.8 kB of archives. After this operation, 92.2 kB of additional disk space will be used. Do you want to continue? [Y/n] y
安装成功，再次启动程序，就不会报错了。
更多内容，请查看博客原文：解决Failed to load module canberra-gtk-module错误
标签：load,canberra,gtk,module,Failed,libcanberra From： https://www.cnblogs.com/rainbow70626/p/17655125.html