************************* hanginfo *************************
  /exports/testreports/47322/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg333-client-timeout-core (3.10.0-7.9-debug) 
 *** UNINTERRUPTIBLE threads, classified ***
<struct mutex 0xffff8800afe19180>
<struct mutex 0xffff880135e7b980>

 ================= Waiting on inode mutexes =================
  -- <struct inode 0xffff8800afe190c8> /mnt/lustre2/racer1
  -- <struct mutex 0xffff8800afe19180> lustre_inode_cache 
   Owner: pid=27461 cmd=mrename
    ... 14 pids. Youngest,oldest: 28338, 27511  Ran ms ago: 443139, 444879
        printing 10 out of 14
        sorted by ran_ago, youngest first
      [28338, 28110, 27648, 27554, 27510, <4 skipped>, 27500, 27492,
       27138, 27530, 27511]
  -- <struct inode 0xffff880135e7b8c8> /mnt/lustre2/racer1/6
  -- <struct mutex 0xffff880135e7b980> lustre_inode_cache 
   Owner: pid=27276 cmd=mrename
    ... 3 pids. Youngest,oldest: 27461, 27334  Ran ms ago: 444585, 445005
        sorted by ran_ago, youngest first
      [27461, 27276, 27334]

 ==================== Waiting on mutexes ====================
  -- <struct mutex 0xffff88012a43ac78> kmalloc-2048 
   Owner: pid=27276 cmd=mrename
    ... 7 pids. Youngest,oldest: 28164, 27577  Ran ms ago: 443732, 444679
        sorted by ran_ago, youngest first
      [28164, 28059, 27800, 27645, 27796, 27422, 27577]

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

PID=27276  CPU=3 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
{28164, 27461, 27334, 27276, 27796, 27800, 27577, 28059, 27645, 27422}

PID=27461  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
{27648, 27393, 27554, 27138, 27492, 27525, 27530, 27500, 28110, 27504, 28338, 27509, 27510, 27511}


+++WARNING+++ Possible hang

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

 ** Execution took   0.63s (real)   0.54s (CPU), Child processes:   0.10s