How do I prevent a kernel panic or system hang when I boot a Red Hat Enterprise Linux 4 AMD64 / Intel® EM64T kernel with the "nosmp" kernel boot parameter?

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This problem has been reported on various vendor hardware platforms when booting into a Red Hat Enterprise Linux 4 AMD64 / Intel® EM64T kernel. It is fairly easy to reproduce and the root cause is under investigation.

The nosmp boot-time kernel parameter tells an Symmetric Multi-Processing (SMP) kernel to act as a Uni Processor (UP) kernel which limits the kernel to a sing...

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