To me it looks the same issue I am seeing on my SSD device. Given that it is an SSD device, I disable the following in my /etc/laptop-mode/laptop-mode.conf file. CONTROL_HD_WRITECACHE=0 CONTROL_HD_POWERMGMT=0 CONTROL_HD_IDLE_TIMEOUT=0 CONTROL_READAHEAD=0 Please reply back to this bug report if these settings fix your problem. On Mon, Jan 21, 2013 at 10:34 PM, Greg Pitta