rviz does not start, no error messages

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Hello, I have been trying to run rviz (ros kinetic) on an Ubutnu 16.04 machine, but I am not having any luck. The messages look right and stop at OpenGL version: 3 (GLSL 1.3). I have checked everything I could find online (obviously to no avail):

Edit: I'm running it with rosrun rviz rviz

• Running with --debug does not produce anything useful rosrun --debug rviz rviz
• Running something like image_view works - so some of the underlying libraries are still working rosrun image_view image_view image:=/camera/rgb/image_color
• Trying to start with export LIBGL_ALWAYS_SOFTWARE=1 does not resolve the problem. Also, OpenGL still stays at 3 LIBGL_ALWAYS_SOFTWARE=1 rosrun rviz rviz
• Running under gdb only tells me that two threads exit shortly after rviz is started. Does not tell me what they are doing or even if they are the problem. For all I know, this could be rviz loading config. This was run using gdb -ex run /opt/ros/kinetic/lib/rviz/rviz.

An additional clue is that the ubuntu launcher icon for Rviz does not have a filled triangle on the left - this implies that the application does not have a window.

Edit:

The machine I am running it on is:

• Bare metal
• Ubuntu 16.04, kernel 4.15
• i7 3770

The graphics driver info is:

*-display description: VGA compatible controller product: Xeon E3-1200 v2/3rd Gen Core processor Graphics Controller vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 version: 09 width: 64 bits clock: 33MHz capabilities: msi pm vga_controller bus_master cap_list rom configuration: driver=i915 latency=0 resources: irq:29 memory:f7800000-f7bfffff memory:e0000000-efffffff ioport:f000(size=64) memory:c0000-dffff

Also, the following command as per this response:

user@computer-2:~$ modinfo i915 | grep filename produces filename: /lib/modules/4.15.0-24-generic/kernel/drivers/gpu/drm/i915/i915.ko

I tested OpenGL using glmark2, as suggested below, and it worked. However, the version of OpenGL is 3, not 4.6. It is using the mesa 17.* drivers, if that matters.