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7.4. Kexec and Kdump

Kexec and kdump are new features in the 2.6 mainstream kernel. Major portions of these features are now in Fedora Core 5. Currently these features are available on x86, x86_64, and ppc64 platforms.
The purpose of these features is to ensure faster boot up and creation of reliable kernel vmcores for diagnostic purposes. Instructions on the kexec and kdump pages verify that the features work on your systems. For more information refer to:
http://fedoraproject.org/wiki/Kernel/kexec
http://fedoraproject.org/wiki/Kernel/kdump