************************* hanginfo *************************
  /exports/testreports/47495/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg207-client-timeout-core (3.10.0-7.9-debug) 
 *** UNINTERRUPTIBLE threads, classified ***

 ==================== Waiting on mutexes ====================
  -- <struct mutex 0xffff88012d464478> kmalloc-2048 
   Owner: pid=31545 cmd=mrename
    ... 11 pids. Youngest,oldest: 32598, 31618  Ran ms ago: 266818, 269653
        printing 10 out of 11
        sorted by ran_ago, youngest first
      [32598, 31996, 31950, 31897, 31640, <1 skipped>, 31575, 31730,
       31674, 31633, 31618]
  -- <struct mutex 0xffff880072129180> lustre_inode_cache 
   Owner: pid=31545 cmd=mrename
    ... 4 pids. Youngest,oldest: 2455, 31545  Ran ms ago: 258626, 269661
        sorted by ran_ago, youngest first
      [2455, 969, 31864, 31545]

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

PID=31545  CPU=0 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
{2455, 31618, 969, 31864, 31950, 31633, 31730, 31545, 31996, 32598, 31575, 31640, 31897, 31674, 31644}


+++WARNING+++ Possible hang

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

 ** Execution took   0.98s (real)   0.75s (CPU), Child processes:   0.22s