Why khelper kernel thread is calling modprobe binary with invalid arguments at fixed intervals?

Solution In Progress - Updated -

Issue

  • khelper kernel thread is calling modprobe binary with invalid arguments, causing following messages to be echoed to system logs at fixed intervals:
Jan  1 00:00:01 <hostname> modprobe: WARNING: Unmatched bracket in p![

Environment

  • Red Hat Enterprise Linux 5 - All kernels

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