My syslog is reporting things like: Mar 20 13:58:29 hawk rasdaemon[892]: Calling ras_mc_event_opendb() Mar 20 13:58:29 hawk rasdaemon[892]: cpu 03:rasdaemon: mce_record store: 0x55c124c9b148 Mar 20 13:58:29 hawk kernel: [ 300.407406] mce: [Hardware Error]: Machine check events logged Mar 20 13:58:29 hawk kernel: [ 300.407410] mce: [Hardware Error]: CPU 3: Machine Check: 0 Bank 0: 90000040000f0005 Mar 20 13:58:29 hawk kernel: [ 300.407411] mce: [Hardware Error]: TSC f442c87fda Mar 20 13:58:29 hawk kernel: [ 300.407413] mce: [Hardware Error]: PROCESSOR 0:306c3 TIME 1616270309 SOCKET 0 APIC 6 microcode 19 Mar 20 13:58:29 hawk rasdaemon[892]: rasdaemon: register inserted at db
root@hawk:/crc/back# ras-mc-ctl --errors No Memory errors. No PCIe AER errors. No Extlog errors. MCE events: 1 2021-03-20 13:58:30 -0600 error: Internal parity error, mcg mcgstatus=0, mci Corrected_error Error_enabled, mcgcap=0x00000c09, status=0x90000040000f0005, tsc=0xf442c87fda, walltime=0x605653e5, cpu=0x00000003, cpuid=0x000306c3, apicid=0x00000006 2 2021-03-20 14:07:07 -0600 error: Internal parity error, mcg mcgstatus=0, mci Corrected_error Error_enabled, mcgcap=0x00000c09, status=0x90000040000f0005, tsc=0x274d9e61020, walltime=0x605655ea, cpu=0x00000003, cpuid=0x000306c3, apicid=0x00000006 3 2021-03-20 14:07:07 -0600 error: Internal parity error, mcg mcgstatus=0, mci Corrected_error Error_enabled, mcgcap=0x00000c09, status=0x90000040000f0005, tsc=0x27517a5dacb, walltime=0x605655eb, cpu=0x00000003, cpuid=0x000306c3, apicid=0x00000006 4 2021-03-20 14:10:34 -0600 error: Internal parity error, mcg mcgstatus=0, mci Corrected_error Error_enabled, mcgcap=0x00000c09, status=0x90000040000f0005, tsc=0x30ea8517bee, walltime=0x605656b9, cpuid=0x000306c3 root@hawk:/crc/back# If I read that correctly, CPU 3 is seeing and correcting internal parity errors. The board is an ASUS H97M-E, bios date 05/15/2015. Processor is Intel(R) Core(TM) i7-4790S CPU @ 3.20GHz, with eight processors. Now what? -- Does anybody read signatures any more? https://charlescurley.com https://charlescurley.com/blog/