Fix common problems alerted me to the following: Your server has detected hardware errors. You should install mcelog via the NerdPack plugin, post your diagnostics and ask for assistance on the unRaid forums. The output of mcelog (if installed) has been logged.

Dec  3 12:42:40 Server kernel: mce: [Hardware Error]: Machine check events logged
Dec  3 12:42:40 Server kernel: EDAC sbridge MC1: HANDLING MCE MEMORY ERROR
Dec  3 12:42:40 Server kernel: EDAC sbridge MC1: CPU 8: Machine Check Event: 0 Bank 7: cc00008000010092
Dec  3 12:42:40 Server kernel: EDAC sbridge MC1: TSC a6b3ff778ad39 
Dec  3 12:42:40 Server kernel: EDAC sbridge MC1: ADDR e4a336f00 
Dec  3 12:42:40 Server kernel: EDAC sbridge MC1: MISC 524cb486 
Dec  3 12:42:40 Server kernel: EDAC sbridge MC1: PROCESSOR 0:306e4 TIME 1607020960 SOCKET 1 APIC 20
Dec  3 12:42:40 Server kernel: EDAC MC1: 2 CE memory read error on CPU_SrcID#1_Ha#0_Chan#0_DIMM#0 (channel:0 slot:0 page:0xe4a336 offset:0xf00 grain:32 syndrome:0x0 -  OVERFLOW area:DRAM err_code:0001:0092 socket:1 ha:0 channel_mask:1 rank:0)

 

root@Server:~# ls -s /sys/devices/system/edac/mc/mc0
total 0
0 ce_count         0 dimm0/  0 dimm9/        0 power/               0 size_mb     0 ue_noinfo_count
0 ce_noinfo_count  0 dimm3/  0 max_location  0 reset_counters       0 subsystem@  0 uevent
0 csrow0/          0 dimm6/  0 mc_name       0 seconds_since_reset  0 ue_count

 

what do?

Edited December 3, 20205 yr by Phaelo
Added additional command output

If possible before rebooting and preferably with the array started
Go to Tools - Diagnostics and attach the complete Diagnostics ZIP file to your NEXT post in this thread.

Attached

donnager-diagnostics-20201203-1611.zip

12 minutes ago, Phaelo said:

Dec  3 12:42:40 Server kernel: EDAC MC1: 2 CE memory read error on CPU_SrcID#1_Ha#0_Chan#0_DIMM#0 (channel:0 slot:0 page:0xe4a336 offset:0xf00 grain:32 syndrome:0x0 -  OVERFLOW area:DRAM err_code:0001:0092 socket:1 ha:0 channel_mask:1 rank:0)

Problem is right in your post.  Memory read error on channel 0, dimm 0  Your system event log may shed more clues on the exact dimm this refers to.

3 minutes ago, Squid said:

Problem is right in your post.  Memory read error on channel 0, dimm 0  Your system event log may shed more clues on the exact dimm this refers to.

Well, we know how you got to 21652 posts. Thanks!