Maybe it's hal error? $ lshal -m
Start monitoring devicelist: ------------------------------------------------- 12:55:17.525: platform_i8042_i8042_KBD_port_logicaldev_input condition ButtonPressed = brightness-up 12:55:17.525: computer_logicaldev_input condition ButtonPressed = brightness-up 12:55:18.012: computer_power_supply_battery_BAT0 property battery.voltage.current = 12542 (0x30fe) 12:55:18.738: platform_i8042_i8042_KBD_port_logicaldev_input condition ButtonPressed = brightness-down 12:55:18.754: computer_logicaldev_input condition ButtonPressed = brightness-down -- Screen brightness double level changes https://bugs.launchpad.net/bugs/207473 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
