https://community.intel.com/t5/Mobile-and-Desktop-Processors/Cache-Hiearchy-Error/m-p/284453#M5808 <P>I am sorry for the issue.</P><P></P><P>I suggest making sure the Intel® processor is running with the default settings in BIOS and run the Intel® Processor Diagnostic Tool from the link below.</P><P><A href="http://www.intel.com/support/processors/sb/CS-031726.htm">http://www.intel.com/support/processors/sb/CS-031726.htm</A> Processors; What is the Intel� Processor Diagnostic Tool?</P><P></P><P>I would be also a good idea to check the power supply voltage levels. Usually this information can be found in BIOS or using the monitoring software tool provided by the motherboard manufacturer.</P> Mon, 20 Jan 2014 18:40:06 GMT Jose_H_Intel1 2014-01-20T18:40:06Z https://community.intel.com/t5/Mobile-and-Desktop-Processors/Cache-Hiearchy-Error/m-p/284452#M5807 <P>In the past 24 hours my machine has frozen completely twice. Basically the last screen the computer is on is displayed and nothing works for input and I have to physically power off the machine.</P><P></P><P>In event viewer I see a bunch of these:</P><P></P><P>Reported by component: Processor Core</P><P>Error Source: Corrected Machine Check</P><P>Error Type: Cache Hierarchy Error</P><P>Processor ID: 2</P><P></P><P>The processor ID changes at random seemingly.The error also seems to show up even without the freezing now.</P><P></P><P>I'm running a first gen i7 860. It's about 4 years old now.</P><P></P><P>Is the processor dying, or is it something else? No hardware changes have been made in some time to the machine.</P> Sat, 18 Jan 2014 03:00:05 GMT https://community.intel.com/t5/Mobile-and-Desktop-Processors/Cache-Hiearchy-Error/m-p/284452#M5807 TPeck 2014-01-18T03:00:05Z https://community.intel.com/t5/Mobile-and-Desktop-Processors/Cache-Hiearchy-Error/m-p/284453#M5808 <P>I am sorry for the issue.</P><P></P><P>I suggest making sure the Intel® processor is running with the default settings in BIOS and run the Intel® Processor Diagnostic Tool from the link below.</P><P><A href="http://www.intel.com/support/processors/sb/CS-031726.htm">http://www.intel.com/support/processors/sb/CS-031726.htm</A> Processors; What is the Intel� Processor Diagnostic Tool?</P><P></P><P>I would be also a good idea to check the power supply voltage levels. Usually this information can be found in BIOS or using the monitoring software tool provided by the motherboard manufacturer.</P> Mon, 20 Jan 2014 18:40:06 GMT https://community.intel.com/t5/Mobile-and-Desktop-Processors/Cache-Hiearchy-Error/m-p/284453#M5808 Jose_H_Intel1 2014-01-20T18:40:06Z