************************* hanginfo *************************
  /exports/testreports/47970/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg343-client-timeout-core (3.10.0-7.9-debug) 
 *** UNINTERRUPTIBLE threads, classified ***
<struct mutex 0xffff88008ab71980>

 ================= Waiting on inode mutexes =================
  -- <struct inode 0xffff88008ab718c8> /mnt/lustre2/racer1/6
  -- <struct mutex 0xffff88008ab71980> lustre_inode_cache 
   Owner: pid=31793 cmd=mrename
    ... 5 pids. Youngest,oldest: 957, 31793  Ran ms ago: 1396398, 1402152
        sorted by ran_ago, youngest first
      [957, 368, 32093, 31740, 31793]

 ==================== Waiting on mutexes ====================
  -- <struct mutex 0xffff8800a9cc3c78> kmalloc-2048 
   Owner: pid=31793 cmd=mrename
    ... 11 pids. Youngest,oldest: 32443, 31962  Ran ms ago: 1400782, 1402691
        printing 10 out of 11
        sorted by ran_ago, youngest first
      [32443, 32052, 32047, 32081, 31931, <1 skipped>, 32062, 31938,
       32096, 32127, 31962]

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

PID=31793  CPU=1 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
{31938, 32081, 31962, 32093, 32443, 32096, 31914, 32047, 368, 31793, 32052, 31931, 31740, 957, 32062, 32127}


+++WARNING+++ Possible hang

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

 ** Execution took   0.80s (real)   0.65s (CPU), Child processes:   0.15s