I checked with Live images of Ubuntu 16 and 19 but it seems to work fine so the hardware is probably not an issue. Here's the output of "valgrind -v ./Paintstorm" ==10037== 1 errors in context 1 of 7: ==10037== Invalid read of size 4 ==10037== at 0x574D21D: readdir (in /usr/lib64/libc-2.29.so) ==100...

[czarek@spectre paintstorm]$ ./Paintstorm ./Paintstorm: /lib64/libcurl-gnutls.so.4: no version information available (required by ./Paintstorm) Unable to find input device 'Wacom' 0:2(10): error: GLSL 1.50 is not supported. Supported versions are: 1.10, 1.20, 1.30, 1.00 ES, 3.00 ES, 3.10 ES, and 3....