I forgot to add two warning messages that get written to console when running Blender:
Ignoring Xlib error: error code 169 request code 145 Ignoring Xlib error: error code 169 request code 145 -- 3D corruption with free ati driver https://bugs.launchpad.net/bugs/109405 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs