Bug#926149: Subject: Re: Bug#926149: AMD: Add nomodeset kernel parameter to avoid black screen
B> However it might be reasonable to add "nomodeset" to the command line
B> in GRUB's "recovery" boot menu items.
OK, great. Now all that is left is for me to help you figure out why
the installer incorrectly detects that the drivers are available, etc.
I am able to workaround all this, I just want to help you finish testing before I
finish installing my system and thus will not be able to help anymore.