I have the same problem. Equal behavior. I think it is related to display driver kernel module. Output of $ cat /proc/acpi/video/VGA/LCDD/brightness : levels: 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 current: 13
Value from Power Manager Brightness Applet (2.24.0) and current value from (cat /proc/acpi/video/VGA/LCDD/brightness): 0%: 13 5%: 12 14%: 11 ... 86%: 2 95%: 1 100%: 0 $ modinfo i915 filename: /lib/modules/2.6.27-11-generic/kernel/drivers/gpu/drm/i915/i915.ko license: GPL and additional rights description: Intel Graphics author: Tungsten Graphics, Inc. srcversion: 3B6A722C9508FF545045921 depends: drm vermagic: 2.6.27-11-generic SMP mod_unload modversions ** Summary changed: - luminosity doesn't work correctly + brightness adjustment doesn't work correctly ** Tags added: brightness flipped intel inverted luminosity weird -- brightness adjustment doesn't work correctly https://bugs.launchpad.net/bugs/312997 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
