System panics in "process_one_work" while processing "od_dbs_timer" function

Solution Verified - Updated -

Issue

During boot-time, the system panics while processing deferred work (process_one_work() routine), specifically od_dbs_timer() function.
(see example backtrace in Diagnostic Steps below)

Note that this does not necessarily need to happen during boot time.

Environment

  • Red Hat Enterprise Linux 7
  • so far seen only on PowerPC machine

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