I have noticed that my Red Hat Enterprise Linux 5 and/or Red Hat Enterprise Linux 5.1 system very occasionally hang at the end of the reboot / shutdown process. What can I do to avoid this?

Updated -

This issue affects Red Hat Enterprise Linux 5 releases before Red Hat Enterprise Linux 5.2 and is due to a bug in cpufreq locking that may deadlock when the modules are unloaded, which is what happens at reboot and shutdown very late in the process.

To resolve this issue, update the systems kernel to at least the Red Hat Enterprise Linux 5.2 kernel. Alternatively, work around the proble...

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