Hi,
I created a docker container based on `osrf/ros:kinetic-desktop-xenial` which runs rqt via XServer (http://wiki.ros.org/docker/Tutorials/GUI#The_ssh_way 1. The simple way). I also made my video card (Intel GPU) available via --device=/dev/dri:/dev/dri ( http://wiki.ros.org/docker/Tutorials/Hardware%20Acceleration#Intel ) which seems to work because rqt and RViz starts and I don't get OpenGL errors.
But sometimes rqt doesn't render the content of widgets like dialog boxes, menu entries and dropdown lists shows only a black window/widget. It happens on my own rqt plugin but also on the rqt main menu (for example the menu entries for Plugins->Visualization are just a black box). I have the same problem on different computers running Linux Mint 18.2 (Cinnamon) and Intel GPU.
Is this a known bug or is there something wrong with my configuration?
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