September 12, 20205 yr From the log it seems that I have a memory issue Sep 11 16:37:25 Tower kernel: EDAC MC0: 1 CE memory scrubbing error on CPU_SrcID#0_Ha#0_Chan#2_DIMM#0 or CPU_SrcID#0_Ha#0_Chan#2_DIMM#1 (channel:2 page:0xac351d offset:0x0 grain:32 syndrome:0x0 - area:DRAM err_code:0008:00c2 socket:0 ha:0 channel_mask:4 rank:255) It looks like it is CPU1 Channel 2 DIMM #0 or #1, I do have RAM in those two location and will double check them one by one but just wanted to see if there is something else that I might have missed. Thanks! tower-diagnostics-20200912-0841.zip Edited September 12, 20205 yr by soana updated screenshot
September 13, 20205 yr Author Memtest86 did not yield any errors, moved C2 to G2, will keep monitoring.
September 13, 20205 yr Memtest won't find any errors unless ECC can be disabled in the BIOS, check the event log in the board BIOS/IPMI, there might be some more info, e.g.:
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