October 2012 Archives

It's not entirely obvious how to do this, but it can be done if you compile your own kernel. The trick is enabling BIGSMP before you select the number of CPUs.  If you don't, you'll get an error saying more than 8 cores is an invalid option.

Kernel compilation instructions for Ubuntu are here: https://help.ubuntu.com/community/Kernel/Compile

When it comes time to set kernel configuration parameters, make sure to select:

CONFIG_X86_PAE=y
CONFIG_X86_32_SMP=y
CONFIG_X86_BIGSMP=y
CONFIG_NR_CPUS=32


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This page is an archive of entries from October 2012 listed from newest to oldest.

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