id summary reporter owner description type status component version resolution keywords cc guest host 5731 Guest additions don't work for fedora 12 kernel 2.6.31.6-162.fc12-x86-64 -> fixed after 3.1.2 Charlie "Hi, I'm having an issue when installing VBoxLinuxAddition-amd64. Black screen appears with a lightning underscore (but when I press ctrl-alt-f2 I can access the console). startx command tells me that VBox1 is available but no modes is set. I removed guestadditions so I can't reproduce the problem and post the Xorg.0.log. " defect closed guest additions VirtualBox 3.1.0 fixed Linux Windows