Hans de Goede <hdegoede@xxxxxxxxxx> writes: >>> If I set video.use_native_backlight=0 in kernel command line the problem >>> goes away. Or if I revert your commit 0e9f81d3b7c the problem also goes >>> away. Any ideas? >> >> Not really... >> I've added i915 people maybe they have an idea. > > This is a known issue in xf86-video-intel, which gets exposed due to the > video.use_native_backlight=1 option. This should be fixed in the latest 2.99.912 > xf86-video-intel release. Ok, thanks. As Ubuntu 12.04 doesn't have that I'll continue to use video.use_native_backlight=0 until I update my distro. -- Kalle Valo -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html