Comment 2 for bug 1847603

I suppose it is a kernel bug, this is the output of xrandr

xrandr: Failed to get size of gamma for output default
Screen 0: minimum 1920 x 1080, current 1920 x 1080, maximum 1920 x 1080
default connected 1920x1080+0+0 0mm x 0mm
   1920x1080 77.00*

I do not see another screen