Grzegorz G., regarding your comments https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1007508/comments/49 , this bug report is only focused on your hardware. Hence, what someone said on a forum or a link found from Google is not terribly helpful.
Could you please provide the information following https://wiki.ubuntu.com/DebuggingACPI ?
Grzegorz G., regarding your comments https:/ /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/1007508/ comments/ 49 , this bug report is only focused on your hardware. Hence, what someone said on a forum or a link found from Google is not terribly helpful.
Could you please provide the information following https:/ /wiki.ubuntu. com/DebuggingAC PI ?