************************* hanginfo *************************
  /exports/testreports/44423/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg124-client-timeout-core (3.10.0-7.9-debug) 
 *** UNINTERRUPTIBLE threads, classified ***

 ==================== Waiting on mutexes ====================
  -- <struct mutex 0xffff8800b433cc78> kmalloc-2048 
   Owner: pid=27644 cmd=mrename
    ... 8 pids. Youngest,oldest: 28381, 27706  Ran ms ago: 388490, 389897
        sorted by ran_ago, youngest first
      [28381, 28264, 28223, 28039, 27932, 27724, 27747, 27706]
  -- <struct mutex 0xffff880121611200> lustre_inode_cache 
   Owner: pid=27644 cmd=mrename
    ... 1 pids. Youngest,oldest: 27644, 27644  Ran ms ago: 389803, 389803
        sorted by ran_ago, youngest first
      [27644]
  -- <struct mutex 0xffff8800b02809c0> lustre_inode_cache 
   Owner: pid=27644 cmd=mrename
    ... 15 pids. Youngest,oldest: 30825, 27811  Ran ms ago: 382121, 389734
        printing 10 out of 15
        sorted by ran_ago, youngest first
      [30825, 30621, 28484, 27857, 28120, <5 skipped>, 27826, 27807,
       27801, 27823, 27811]

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

PID=27644  CPU=3 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
{28036, 28484, 27846, 28039, 27724, 27916, 27857, 28120, 27801, 27932, 28381, 30621, 27807, 28066, 27747, 27811, 27815, 28264, 30825, 27823, 27826, 27706, 27644, 28223}


+++WARNING+++ Possible hang

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

 ** Execution took   1.38s (real)   1.06s (CPU), Child processes:   0.32s