Works for me too with Ubuntu 17.10 on an Acer Extensa laptop (i5-6200U SkyLake). Same symptoms but changing 'force' to 'auto' as above results in successful booting from battery.
Works for me too with Ubuntu 17.10 on an Acer Extensa laptop (i5-6200U SkyLake). Same symptoms but changing 'force' to 'auto' as above results in successful booting from battery.