My softlockup message doesn't show a back trace or stack trace.

Solution Verified - Updated -

Issue

A backtrace is present in the servers syslog, missing a stack or call trace:

Mar 18 19:07:07 localhost kernel: [446413.888122] BUG: soft lockup - CPU#19 stuck for 23s! [check-new-relea:7836]
Mar 18 19:07:07 localhost kernel: [446413.888399] Stack:
Mar 18 19:07:07 localhost kernel: [446413.888451] Call Trace:

Environment

  • Red Hat Enterprise Linux - All versions - All Architectures.
  • syslog configured to a local or remote syslog server.

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