If the "Backlight" option is set, backlight_active_level is not set which results in a default value of 0, causing a black screen upon starting Xorg. --- src/intel_display.c | 1 + 1 file changed, 1 insertion(+) diff --git a/src/intel_display.c b/src/intel_display.c index 2c93c2d..5ee955e 100644 --- a/src/intel_display.c +++ b/src/intel_display.c @@ -271,6 +271,7 @@ intel_output_backlight_init(xf86OutputPtr output) intel_output->backlight_iface = str; intel_output->backlight_max = intel_output_backlight_get_max(output); if (intel_output->backlight_max > 0) { + intel_output->backlight_active_level = intel_output_backlight_get(output); xf86DrvMsg(output->scrn->scrnIndex, X_CONFIG, "found backlight control interface %s\n", path); return; -- 1.8.0.3