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System sometimes crash with cpu error
(lemm.ee)
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this post was submitted on 10 Jul 2023
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Woohoo an mce. If it's always the same core you could disable it with some thing like 'echo 0 > /sys/devices/system/cpu/cpu3/online'
This would have to be run every boot, there may be kernel options to do the same thing.
Lol.
This is barbaric and I love it.
Lol those cores are totally there for redundancy... Right? :P
I have an old itanium server that 'boots' with like 3/8 working cores... Unfortunately the hardware has some other unknown issues that panic Linux shortly after loading. Somehow the efi system seems to be stable...
TIL
I can save like 20 W per real core. Nice tip for a home server.