VirtualBox problem solving set -[drm:vmw_host_log [vmwgfx]] *ERROR* Failed to send host log message

environment description:
virtual machine: VirtualBox version 6.0.14 r133895 (Qt5.6.2)
virtual machine: Ubuntu 18.04 LTS

problem description: [DRM :vmw_host_log [VMWGFX]] ERROR Failed to send host log message
screenshot:

solution:

  1. shut down the target system;
  2. VirtualBox main panel, select the virtual machine to be modified on the left, click “Settings” on the right;
  3. Settings page, click “display” on the left, select “screen” on the top right, select “video card controller” on the bottom, and select VBoxVGA;
  4. Start the target system, but you can find that there are no more prompts.