Hi, I've experienced similar behaviour since the 3.9 kernels on my Dell Latitude 6530
Adding the following kernel parameter to the grub boot line has dramatically reduced the latency for me: acpi_backlight=vendor It might also make a difference for you. Regards, Rik -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: http://lists.debian.org/[email protected]
