Disable some CPUs within Red Hat Enterprise Linux 5 without rebooting the system
Warning: check that your hardware supports CPU hot swapping before trying these commands; otherwise the hardware may be damaged.
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[Bug]Red Hat Enterprise Linux 4.5 system panic when I boot into the largesmp kernel
On RedHat V4.5, the largesmp kernel panics during boot on systems with more than eight CPUs and NUMA disabled. RedHat says the bug will be fixed in the next update.
What are the memory and CPU limits of the largesmp kernel in Red Hat Enterprise Linux 4?
Red Hat Enterprise Linux 4 update 3 and later provides a largesmp kernel for systems with many CPUs, available for x86_64, ia64, and ppc64.