我正在寻找系统冻结的原因。在冻结之前，我在日志中看到了以下几行：
cен 06 09:03:31 keddad-pc org.gnome.Shell.desktop[1896]: Window manager warning: Overwriting existing binding of keysym 32 with keysym 32 (keycode b).
сен 06 09:03:31 keddad-pc org.gnome.Shell.desktop[1896]: Window manager warning: Overwriting existing binding of keysym 37 with keysym 37 (keycode 10).
сен 06 09:03:31 keddad-pc org.gnome.Shell.desktop[1896]: Window manager warning: Overwriting existing binding of keysym 39 with keysym 39 (keycode 12).
сен 06 09:03:31 keddad-pc org.gnome.Shell.desktop[1896]: Window manager warning: Overwriting existing binding of keysym 33 with keysym 33 (keycode c).
сен 06 09:03:31 keddad-pc org.gnome.Shell.desktop[1896]: Window manager warning: Overwriting existing binding of keysym 31 with keysym 31 (keycode a).
сен 06 09:03:31 keddad-pc org.gnome.Shell.desktop[1896]: Window manager warning: Overwriting existing binding of keysym 38 with keysym 38 (keycode 11).
сен 06 09:03:31 keddad-pc org.gnome.Shell.desktop[1896]: Window manager warning: Overwriting existing binding of keysym 36 with keysym 36 (keycode f).
сен 06 09:03:31 keddad-pc org.gnome.Shell.desktop[1896]: Window manager warning: Overwriting existing binding of keysym 35 with keysym 35 (keycode e).
сен 06 09:03:31 keddad-pc org.gnome.Shell.desktop[1896]: Window manager warning: Overwriting existing binding of keysym 34 with keysym 34 (keycode d).
这些是什么？它会覆盖哪种绑定以及为什么？它会造成死机吗？更新：这些事情似乎在每次启动后都会发生