How to read CPU stepping info via CLI

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Xavi

Cadet
Joined
Jan 13, 2017
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Hi,

Have been enjoying FreeNAS a lot for the last 3 weeks since installation.

I bought a 2nd Xeon, same model, to upgrade my FreeNAS box but it seems it was a different stepping so FreeNAS kept spitting errors on bootup.

I plan to buy a 2nd CPU that matches the stepping of the CPU currently in the box and as I was ready to shut it down and pop open the server and remove heatsink paste, etc i wondered:

Is there a command i can use to read the CPU stepping info from the shell?

I used
# sysctl -a | egrep -i 'hw.machine|hw.model|hw.ncpu'
at first but i doesnt give out too many specifics, just usual model number and speed, but no stepping information.

If not i guess ill just read the actual etching on the cpu itself if i must but for the sake of information and knowledge i wanted to know if i can just obtain this information from FreeNAS OS without incurring any downtime from: a reboot into bios to see the stepping info there, a shutdown and dissection of the actual hardware to read it from the cpu top and probably have to go buy new thermal paste also.

Thanks in Advance!
 

bigphil

Patron
Joined
Jan 30, 2014
Messages
486
dmesg | grep Stepping
 
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