https://bugs.freedesktop.org/show_bug.cgi?id=107428
--- Comment #2 from Isaac Curtis isaaccurtis1@gmail.com --- A second machine works just fine without the artifacts. Same kernel, same Mesa version.
Glinfo: GL_VERSION: 3.0 Mesa 18.1.4 GL_RENDERER: Mesa DRI Intel(R) Haswell Mobile GL_VENDOR: Intel Open Source Technology Center GL_SHADING_LANGUAGE_VERSION = 1.30 GLU_VERSION: 1.3 GLU_EXTENSIONS: GLU_EXT_nurbs_tessellator GLU_EXT_object_space_tess GLUT_API_VERSION: 4 GLUT_XLIB_IMPLEMENTATION: 13