Has it frozen more than once with fretsonfire? The fretsonfire thing could be random.
Is there anything else in kmsg? What is the last thing?
Did you try Alt+SysRq+1 and Alt+SysRq+t from https://help.ubuntu.com/community/DebuggingSystemCrash?
Has it frozen more than once with fretsonfire? The fretsonfire thing could be random.
Is there anything else in kmsg? What is the last thing?
Did you try Alt+SysRq+1 and Alt+SysRq+t from https:/ /help.ubuntu. com/community/ DebuggingSystem Crash?