Also your kernel log shows the 'qxl' DRM kernel driver seems to be working. And Xorg has clearly found the kernel qxl device. So if Xorg says "Screen(s) found, but none have a usable configuration" then it suggests there might have been some change in the kernel driver that the Xorg driver doesn't yet support.
Also your kernel log shows the 'qxl' DRM kernel driver seems to be working. And Xorg has clearly found the kernel qxl device. So if Xorg says "Screen(s) found, but none have a usable configuration" then it suggests there might have been some change in the kernel driver that the Xorg driver doesn't yet support.