rviz no window, just freezes

edit

The problem is similar to that of https://answers.ros.org/question/2227... Ubuntu 18

~/catkin_ws $ gdb -ex run /opt/ros/melodic/bin/rviz 
GNU gdb (Ubuntu 8.1-0ubuntu3) 8.1.0.20180409-git
enter code here
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Reading symbols from /opt/ros/melodic/bin/rviz...(no debugging symbols found)...done.
Starting program: /opt/ros/melodic/bin/rviz 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffdce35700 (LWP 555)]
qt5ct: using qt5ct plugin
[ INFO] [1549533633.580573309]: rviz version 1.13.1
[ INFO] [1549533633.580610807]: compiled against Qt version 5.9.5
[ INFO] [1549533633.580621610]: compiled against OGRE version 1.9.0 (Ghadamon)

^C
Thread 1 "rviz" received signal SIGINT, Interrupt.
0x00007ffff6184bf9 in __GI___poll (fds=0x7fffffffd040, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
29  ../sysdeps/unix/sysv/linux/poll.c: No such file or directory.
(gdb) bt
#0  0x00007ffff6184bf9 in __GI___poll (fds=0x7fffffffd040, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fffef0a2dd8 in XmlRpc::XmlRpcDispatch::work(double) () at /opt/ros/melodic/lib/libxmlrpcpp.so
#2  0x00007fffef0a239f in XmlRpc::XmlRpcClient::execute(char const*, XmlRpc::XmlRpcValue const&, XmlRpc::XmlRpcValue&) () at /opt/ros/melodic/lib/libxmlrpcpp.so
#3  0x00007ffff4141e2d in ros::master::execute(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, XmlRpc::XmlRpcValue const&, XmlRpc::XmlRpcValue&, XmlRpc::XmlRpcValue&, bool) () at /opt/ros/melodic/lib/libroscpp.so
#4  0x00007ffff414247c in ros::master::check() () at /opt/ros/melodic/lib/libroscpp.so
#5  0x00007ffff7b50029 in rviz::VisualizerApp::init(int, char**) () at /opt/ros/melodic/lib/librviz.so
#6  0x0000555555554dc0 in main ()