************************* hanginfo *************************
  /exports/testreports/50597/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg437-client-timeout-core (3.10.0-7.9-debug) 
 *** UNINTERRUPTIBLE threads, classified ***

 ==================== Waiting on mutexes ====================
  -- <struct mutex 0xffff880088a6c980> lustre_inode_cache 
   Owner: pid=2283 cmd=mrename
    ... 1 pids. Youngest,oldest: 2283, 2283  Ran ms ago: 463968, 463968
        sorted by ran_ago, youngest first
      [2283]
  -- <struct mutex 0xffff8800b5858c78> kmalloc-2048 
   Owner: pid=2283 cmd=mrename
    ... 9 pids. Youngest,oldest: 2708, 2297  Ran ms ago: 463425, 464813
        sorted by ran_ago, youngest first
      [2708, 2608, 2753, 2346, 2331, 2459, 2319, 2280, 2297]
  -- <struct mutex 0xffff8800afe48980> lustre_inode_cache 
   Owner: pid=2283 cmd=mrename
    ... 13 pids. Youngest,oldest: 8319, 2452  Ran ms ago: 446935, 464567
        printing 10 out of 13
        sorted by ran_ago, youngest first
      [8319, 4874, 4106, 3974, 2018, <3 skipped>, 2404, 2332, 2487,
       2468, 2452]

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

PID=2283  CPU=1 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
{2753, 3974, 2495, 4106, 4874, 2319, 2708, 2452, 2331, 2459, 2332, 2018, 2468, 2404, 2280, 2346, 2283, 2477, 2608, 2481, 2487, 2297, 8319}


+++WARNING+++ Possible hang

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

 ** Execution took   1.39s (real)   1.03s (CPU), Child processes:   0.37s