************************* hanginfo *************************
  /exports/testreports/51281/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg132-client-timeout-core (3.10.0-7.9-debug) 
 *** UNINTERRUPTIBLE threads, classified ***

 ==================== Waiting on mutexes ====================
  -- <struct mutex 0xffff88008b273988> lustre_inode_cache 
   Owner: pid=30717 cmd=mrename
    ... 7 pids. Youngest,oldest: 763, 30717  Ran ms ago: 1284043, 1318278
        sorted by ran_ago, youngest first
      [763, 434, 32462, 31567, 30949, 30851, 30717]
  -- <struct mutex 0xffff8800b5e13478> kmalloc-2048 
   Owner: pid=30717 cmd=mrename
    ... 11 pids. Youngest,oldest: 31325, 30750  Ran ms ago: 1311722, 1318907
        printing 10 out of 11
        sorted by ran_ago, youngest first
      [31325, 31104, 31088, 31077, 30948, <1 skipped>, 30941, 30883,
       30791, 30783, 30750]

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

PID=30717  CPU=2 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
{31104, 30851, 30791, 32462, 31567, 31325, 30941, 30750, 30883, 30948, 30949, 31077, 31088, 434, 30906, 763, 30717, 30783}


+++WARNING+++ Possible hang

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

 ** Execution took   1.10s (real)   0.86s (CPU), Child processes:   0.23s