I have the same problem on 64 bit Fedora on my HP EliteBook 8540p . I actually had this problem on the same machine when I ran Ubuntu years ago.
The performance of the game is flawless even with higher graphics settings but even with low settings the java process will hog 120% CPU. Eventually the computer will turn itself off to prevent the CPU from overheating.
I have the same problem on 64 bit Fedora on my HP EliteBook 8540p . I actually had this problem on the same machine when I ran Ubuntu years ago.
The performance of the game is flawless even with higher graphics settings but even with low settings the java process will hog 120% CPU. Eventually the computer will turn itself off to prevent the CPU from overheating.