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Channel: How do I disable a specific CPU core at boot? - Ask Ubuntu
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Answer by Doug Smythies for How do I disable a specific CPU core at boot?

You can make use of CPU hotplug abilities to achieve your objective. You can boot CPUs 0-13 and then add the others (CPUs 15-27, and 29-31) afterwards.All Xeon processors have hyper threading, so I...

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How do I disable a specific CPU core at boot?

I have a 16 core Intel Xeon processor that successfully boots into the BIOS and GRUB, but fails to load Ubuntu (or any operating system). It turns out that core #14 is the cause of all the issues...

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