************************* hanginfo *************************
  /exports/testreports/43406/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg338-client-timeout-core (3.10.0-7.9-debug) 
 *** UNINTERRUPTIBLE threads, classified ***

 ==================== Waiting on mutexes ====================
  -- <struct mutex 0xffff880130f40478> kmalloc-2048 
   Owner: pid=27773 cmd=mrename
    ... 8 pids. Youngest,oldest: 2990, 28172  Ran ms ago: 1465564, 1473191
        sorted by ran_ago, youngest first
      [2990, 1229, 1167, 381, 30227, 29997, 29915, 28172]
  -- <struct mutex 0xffff88008d4a2180> lustre_inode_cache 
   Owner: pid=27773 cmd=mrename
    ... 12 pids. Youngest,oldest: 31500, 27773  Ran ms ago: 1469631, 1473217
        printing 10 out of 12
        sorted by ran_ago, youngest first
      [31500, 31261, 30418, 30388, 30346, <2 skipped>, 29931, 29852,
       28600, 28470, 27773]

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

PID=27773  CPU=1 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
{30346, 28172, 1229, 31500, 1167, 30418, 30227, 27773, 29915, 29852, 30173, 31261, 29931, 29997, 2990, 30388, 28470, 30198, 28600, 381}


+++WARNING+++ Possible hang

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

 ** Execution took   1.09s (real)   0.83s (CPU), Child processes:   0.27s