************************* hanginfo *************************
  /exports/testreports/51291/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg227-client-timeout-core (3.10.0-7.9-debug) 
 *** UNINTERRUPTIBLE threads, classified ***

 ==================== Waiting on mutexes ====================
  -- <struct mutex 0xffff88008cbb7188> lustre_inode_cache 
   Owner: pid=29930 cmd=mrename
    ... 3 pids. Youngest,oldest: 30775, 29930  Ran ms ago: 1439295, 1446274
        sorted by ran_ago, youngest first
      [30775, 30475, 29930]
  -- <struct mutex 0xffff8800b368b478> kmalloc-2048 
   Owner: pid=29930 cmd=mrename
    ... 11 pids. Youngest,oldest: 30934, 30132  Ran ms ago: 1438411, 1445972
        printing 10 out of 11
        sorted by ran_ago, youngest first
      [30934, 30779, 30668, 30442, 30348, <1 skipped>, 30236, 30291,
       30143, 30209, 30132]

*** Threads that own resources the other threads are waiting on ***

PID=29930  CPU=3 CMD=mrename
  #0   __schedule+0x2e2
  #1   schedule_preempt_disabled+0x39
  #2   __mutex_lock_slowpath+0x13a
  #3   mutex_lock+0x2d
  #4   lock_rename+0xda
  #5   SYSC_renameat2+0x22f
  #6   sys_renameat2+0xe
  #7   sys_rename+0x1e
  #8   system_call_fastpath+0x1f, 477 bytes of data
{30209, 29930, 30475, 30442, 30348, 30668, 30291, 30132, 30934, 30775, 30779, 30236, 30269, 30143}


+++WARNING+++ Possible hang

******************************************************************************
************************ A Summary Of Problems Found *************************
******************************************************************************
-------------------- A list of all +++WARNING+++ messages --------------------
    Possible hang
------------------------------------------------------------------------------

 ** Execution took   1.00s (real)   0.78s (CPU), Child processes:   0.23s