The system with "lin_tape" driver in debug mode hangs after soft-lockup messages.

Solution Unverified - Updated -

Issue

  • System is crashing with the following in the messages file
Sep 23 04:01:33 example kernel: BUG: soft lockup - CPU#0 stuck for 67s! [db2sysc:24682]
Sep 24 03:07:01 example kernel: BUG: soft lockup - CPU#0 stuck for 67s! [db2sysc:24272]
Sep 20 08:01:51 example kernel: BUG: soft lockup - CPU#23 stuck for 67s! [db2sysc:55055]

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • IBM lin_tape driver in debug mode

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