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system hangs at: "Switching to clocksource tsc" when attempting to upgrade kernel/minor release

Solution Unverified - Updated 2013-12-03T08:25:52+00:00 -

Issue

system hangs at: "Switching to clocksource tsc" when attempting to boot the system for approx. 20 minutes.

Environment

Red Hat Enterprise Linux (RHEL) 6.4

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