I solved the problem for my with "apt purge nux-tools" ** Summary changed:
- LLVMpipe renderer used instead of Intel on Xorg sessions + LLVMpipe renderer used instead of Intel on Xorg sessions because of unity leftover file /etc/X11/Xsession.d/50_check_unity_support ** Summary changed: - LLVMpipe renderer used instead of Intel on Xorg sessions because of unity leftover file /etc/X11/Xsession.d/50_check_unity_support + LIBGL_ALWAYS_SOFTWARE=1 renderer used instead of Intel on Xorg sessions because of unity leftover file /etc/X11/Xsession.d/50_check_unity_support -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1755097 Title: LIBGL_ALWAYS_SOFTWARE=1 renderer used instead of Intel on Xorg sessions because of unity leftover file /etc/X11/Xsession.d/50_check_unity_support To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/1755097/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs