id,summary,reporter,owner,description,type,status,component,version,resolution,keywords,cc,guest,host
16904,guest OS screen and host OS screen,vbgaofei,,"My host OS is https://parabola.nu  with XFCE desktop .
I downloaded virtualbox latest version, SHA256 is right. And I run 'pacman -S gcc make linux-libre-headers' as root , and then virtualbox successfully installed.
Sometimes I use Ctrl + Alt + F1 to switch to terminal and use Alt + F2 to back to graphical user interface. I installed some guest OSes , one of the guest OSes is parabola too . When the guest OS sleeps, my host OS decreases screen brightness too",defect,new,other,VirtualBox 5.1.22,,,,Linux,Linux