On my new Haswell-based machines, I am occasionally seeing entries like the following in /var/log/messages: kernel: [Hardware Error]: Machine check events logged (I would not have even noticed them, except that they get flagged by logwatch.) These messages always occur alone, and don't seem to have a corresponding entry in any other log file in /var/log. How can I get more info about these messages? Thanks, -G. -- Glenn Eychaner (geychaner at lco.cl) Telescope Systems Programmer, Las Campanas Observatory