Thanks for nice description. It was easy to follow your instructions and everything went completely smoothly.
At the first sight EUMETCastView 1.4.0 runs quickly and without any visible problem - globe shows constantly ~60 paintGL calls/s.
Built and launched on my main computer (with plenty of memory):
$ cat /etc/lsb-release | grep DESC ; uname -a; lscpu | grep "Model name"; glxinfo | grep OpenGL | head -3
DISTRIB_DESCRIPTION="Linux Mint 18.3 Sylvia"
Linux mentos 4.8.0-58-generic #63~16.04.1-Ubuntu SMP Mon Jun 26 18:08:51 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
Model name: Intel(R) Core(TM) i7-5820K CPU @ 3.30GHz
OpenGL vendor string: NVIDIA Corporation
OpenGL renderer string: GeForce GTX 970/PCIe/SSE2
OpenGL core profile version string: 4.5.0 NVIDIA 384.130