The solution of Nicholas works but not without this block of text repeating over and over in the terminal and created the following in home directory (Xubuntu 20.04 5.4.0-29-generic, OpenGL ES 3.2 Mesa 20.0.4 Video memory: 4096 MB)
:$ ls /home/korte/GPUCache/
data_0 data_1 data_2 data_3 index
:$ /opt/minecraft-launcher/minecraft-launcher| cat
[0517/124846.370708:ERROR:cache_util.cc(134)] Unable to move cache folder GPUCache to old_GPUCache_000
[0517/124846.370826:ERROR:disk_cache.cc(172)] Unable to create cache
[0517/124846.370874:ERROR:shader_disk_cache.cc(601)] Shader Cache Creation failed: -2
[0517/124846.541889:ERROR:sandbox_linux.cc(346)] InitializeSandbox() called with multiple threads in process gpu-process.
[0517/124849.496048:INFO:CONSOLE(2)] "THREE.WebGLRenderer: EXT_shader_texture_lod extension not supported.", source: mojang://java-launcher/static/js/3.02917d33.chunk.js (2)
[0517/124849.820045:INFO:CONSOLE(2)] "WebGL: INVALID_OPERATION: loseContext: context already lost", source: mojang://java-launcher/static/js/5.c254c539.chunk.js (2)
[0517/124851.530632:INFO:CONSOLE(2)] "THREE.WebGLRenderer: EXT_shader_texture_lod extension not supported.", source: mojang://java-launcher/static/js/3.02917d33.chunk.js (2)
[0517/124852.218264:INFO:CONSOLE(2)] "WebGL: INVALID_OPERATION: loseContext: context already lost", source: mojang://java-launcher/static/js/5.c254c539.chunk.js (2)
The solution of Nicholas works but not without this block of text repeating over and over in the terminal and created the following in home directory (Xubuntu 20.04 5.4.0-29-generic, OpenGL ES 3.2 Mesa 20.0.4 Video memory: 4096 MB)