fazzeren Posted November 1, 2018 Share Posted November 1, 2018 Oct 30 10:30:34 Tower kernel: mce: [Hardware Error]: Machine check events logged Oct 30 10:30:34 Tower kernel: mce: [Hardware Error]: CPU 0: Machine Check: 0 Bank 17: ee2000000004017a Oct 30 10:30:34 Tower kernel: mce: [Hardware Error]: TSC 0 ADDR 5f000000 MISC 4f00031e0000086 Oct 30 10:30:34 Tower kernel: mce: [Hardware Error]: PROCESSOR 0:306f2 TIME 1540909820 SOCKET 0 APIC 0 microcode 3d Oct 30 10:30:34 Tower kernel: mce: [Hardware Error]: Machine check events logged Oct 30 10:30:34 Tower kernel: mce: [Hardware Error]: CPU 0: Machine Check: 0 Bank 18: ee2000000004017a Oct 30 10:30:34 Tower kernel: mce: [Hardware Error]: TSC 0 ADDR 5f100000 MISC 44f00031e0000086 Oct 30 10:30:34 Tower kernel: mce: [Hardware Error]: PROCESSOR 0:306f2 TIME 1540909820 SOCKET 0 APIC 0 microcode 3d Oct 30 10:30:34 Tower kernel: mce: [Hardware Error]: CPU 0: Machine Check: 0 Bank 19: ee2000000004017a Oct 30 10:30:34 Tower kernel: mce: [Hardware Error]: TSC 0 ADDR 5f100080 MISC 84f00031e0000086 Oct 30 10:30:34 Tower kernel: mce: [Hardware Error]: PROCESSOR 0:306f2 TIME 1540909820 SOCKET 0 APIC 0 microcode 3d tower-diagnostics-20181101-1615.zip Link to comment
Squid Posted November 1, 2018 Share Posted November 1, 2018 It's happening super early in the boot process, so unless the event log in the BIOS (if it has one) shows anything, then you probably won't be able to determine what the cause is or if its a bios bug etc. IE: if everything is stable, and the mce's don't happen after array start, then don't worry excessively about it. Alternatively, you can email Intel support and ask them what it means. Link to comment
John_M Posted November 12, 2018 Share Posted November 12, 2018 It appears to be happening during the CPU initialisation. That's the second one I've seen today! Looking for a BIOS update won't hurt. Link to comment
jonp Posted November 12, 2018 Share Posted November 12, 2018 Machine checks can occur for lots of different reasons. On my system, I started seeing them at one point when my heatsink loosened contact with the CPU and I would run games in a VM. This would obviously cause the CPU temp to rise and it would also fire off these machine check errors occasionally. Simply tightening that down fixed the issue for me. MCEs definitely point to a hardware-specific problem though (most of the time). Link to comment
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