> Ah, so if I am right, xrandr would report that VGA1 is unknown. However, > the kernel is not using it at the time X starts, so X inherits it in an > unconnected state. xrandr --output VGA1 --auto should dtrt. Can you > please paste your dmesg after appending drm.debug=6 to your kernel command > line in grub. First, the output of xrandr --output VGA1 --auto : xrandr: Failed to get size of gamma for output default warning: output VGA1 not found; ignoring And , dmesg after appending "drm.debug=6 libata.force-noncq acpi=off noapic" : https://drive.google.com/file/d/0B_t7IkkhbF5hZmQzcnNMc2pISlE/edit?usp=sharing Xorg.0.log http://paste.debian.net/61852/ xorg.conf http://paste.debian.net/61854/ _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx