Please attach your Xorg.0.log. Also run `lspci -vvnn > lspci-vvnn.txt` and attach that file.
(Also, it's helpful to us if you attach each output as a separate file rather than concatenated, but thanks for providing all that info).
I would also recommend trying to boot with no xorg.conf, as the one you've used has a variety of settings which may conflict. Once you do so, please attach a new Xorg.0.log from that try.
It's interesting that you got it working on that other distro, there are several possible reasons why that may be; it would be interesting to see your xorg.conf and Xorg.0.log from that in addition to the above.
Please attach your Xorg.0.log. Also run `lspci -vvnn > lspci-vvnn.txt` and attach that file.
(Also, it's helpful to us if you attach each output as a separate file rather than concatenated, but thanks for providing all that info).
I would also recommend trying to boot with no xorg.conf, as the one you've used has a variety of settings which may conflict. Once you do so, please attach a new Xorg.0.log from that try.
It's interesting that you got it working on that other distro, there are several possible reasons why that may be; it would be interesting to see your xorg.conf and Xorg.0.log from that in addition to the above.