************************* hanginfo *************************
  /exports/testreports/51283/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg141-client-timeout-core (3.10.0-7.9-debug) 
 *** UNINTERRUPTIBLE threads, classified ***
<struct mutex 0xffff880135dfa188>

 ================= Waiting on inode mutexes =================
  -- <struct inode 0xffff880135dfa0d0> /mnt/lustre2/racer1/4
  -- <struct mutex 0xffff880135dfa188> lustre_inode_cache 
   Owner: pid=27500 cmd=mrename
    ... 1 pids. Youngest,oldest: 27500, 27500  Ran ms ago: 1193311, 1193311
        sorted by ran_ago, youngest first
      [27500]

 ==================== Waiting on mutexes ====================
  -- <struct mutex 0xffff8800aa74ec78> kmalloc-2048 
   Owner: pid=27500 cmd=mrename
    ... 7 pids. Youngest,oldest: 27925, 27535  Ran ms ago: 1188548, 1195715
        sorted by ran_ago, youngest first
      [27925, 27890, 27865, 27747, 27625, 27599, 27535]
  -- <struct mutex 0xffff8800b0672188> lustre_inode_cache 
   Owner: pid=27500 cmd=mrename
    ... 14 pids. Youngest,oldest: 30129, 4974  Ran ms ago: 1153584, 1194749
        printing 10 out of 14
        sorted by ran_ago, youngest first
      [30129, 29976, 29308, 27769, 27735, <4 skipped>, 27532, 27705,
       27662, 27684, 4974]

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

PID=27500  CPU=0 CMD=mrename
  #0   __schedule+0x2e2
  #1   schedule_preempt_disabled+0x39
  #2   __mutex_lock_slowpath+0x13a
  #3   mutex_lock+0x2d
  #4   vfs_rename+0x41d
  #5   SYSC_renameat2+0x4d3
  #6   sys_renameat2+0xe
  #7   sys_rename+0x1e
  #8   system_call_fastpath+0x1f, 477 bytes of data
{27718, 27532, 27662, 27599, 27535, 27925, 27735, 29976, 27865, 27747, 27684, 27686, 27625, 27690, 27500, 4974, 30129, 27890, 27698, 27769, 29308, 27705}


+++WARNING+++ Possible hang

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

 ** Execution took   1.41s (real)   1.06s (CPU), Child processes:   0.33s