during login? If so, please update the BTS report (or get in touch if
you do not know how to update BTS).</p>
+<p>Update 2013-07-19: The correct fix for this machine seem to be
+acpi_backlight=vendor, to disable ACPI backlight support completely,
+as the ACPI information on the machine is trash and it is better to
+leave it to the intel video driver to control the screen
+backlight.</p>
+
</div>
<div class="tags">