************************* hanginfo *************************
  /exports/testreports/42112/testresults/racer-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg224-client-timeout-core (3.10.0-7.9-debug) 
 *** UNINTERRUPTIBLE threads, classified ***

 ==================== Waiting on mutexes ====================
  -- <struct mutex 0xffff8800b0870980> lustre_inode_cache 
   Owner: pid=18946 cmd=lfs
    ... 8 pids. Youngest,oldest: 19027, 18949  Ran ms ago: 1, 167
        sorted by ran_ago, youngest first
      [19027, 18997, 18890, 18973, 18961, 18960, 18409, 18949]
  -- <struct mutex 0xffff8800b09d0980> lustre_inode_cache 
   Owner: pid=18951 cmd=mrename
    ... 10 pids. Youngest,oldest: 19018, 18958  Ran ms ago: 12, 139
        sorted by ran_ago, youngest first
      [19018, 19005, 18999, 18990, 18989, 18985, 18974, 18966, 18962,
       18958]
  -- <struct mutex 0xffff8800b09d1180> lustre_inode_cache 
   Owner: pid=18988 cmd=mrename
    ... 10 pids. Youngest,oldest: 19023, 18993  Ran ms ago: 8, 67
        sorted by ran_ago, youngest first
      [19023, 19022, 19019, 18678, 18888, 19012, 19016, 19008, 19003,
       18993]
  -- <struct mutex 0xffff8800b0871180> lustre_inode_cache 
   Owner: pid=18980 cmd=mrename
    ... 7 pids. Youngest,oldest: 19007, 18981  Ran ms ago: 40, 100
        sorted by ran_ago, youngest first
      [19007, 19001, 19004, 19000, 18929, 18984, 18981]
  -- <struct mutex 0xffff88012b443c78> kmalloc-2048 
   Owner: pid=18888 cmd=mrename
    ... 2 pids. Youngest,oldest: 18906, 18804  Ran ms ago: 316, 340
        sorted by ran_ago, youngest first
      [18906, 18804]
  -- <struct mutex 0xffff8800b6cfc478> kmalloc-2048 
   Owner: pid=18409 cmd=mrename
    ... 4 pids. Youngest,oldest: 19017, 18693  Ran ms ago: 13, 727
        sorted by ran_ago, youngest first
      [19017, 18884, 18886, 18693]

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

PID=18946  CPU=2 CMD=lfs
  #0   __schedule+0x2e2
  #1   schedule+0x29
  #2   schedule_timeout+0x13f
  #3   ptlrpc_set_wait+0x7cf
  #4   ptlrpc_queue_wait+0x86
  #5   ldlm_cli_enqueue+0x424
  #6   mdc_enqueue_base+0x37a
  #7   mdc_intent_lock+0x135
  #8   lmv_intent_remote+0x5de
  #9   lmv_intent_open+0xb70
  #10  lmv_intent_lock+0x1e7
  #11  ll_lookup_it.constprop.42+0x727
  #12  ll_atomic_open+0x283
  #13  do_last+0xa40
  #14  path_openat+0xcd
  #15  do_filp_open+0x4d
  #16  do_sys_open+0x124
  #17  sys_open+0x1e
  #18  system_call_fastpath+0x1f, 477 bytes of data
{18949, 18409, 18890, 18960, 18961, 19027, 18997, 18973}

PID=18980  CPU=2 CMD=mrename
  #0   __schedule+0x2e2
  #1   schedule+0x29
  #2   schedule_timeout+0x13f
  #3   ptlrpc_set_wait+0x7cf
  #4   ptlrpc_queue_wait+0x86
  #5   mdc_reint+0x22
  #6   mdc_rename+0x32c
  #7   lmv_rename+0x5ac
  #8   ll_rename+0x560
  #9   vfs_rename+0x885
  #10  SYSC_renameat2+0x4d3
  #11  sys_renameat2+0xe
  #12  sys_rename+0x1e
  #13  system_call_fastpath+0x1f, 477 bytes of data
{18929, 18981, 18984, 19001, 19000, 19004, 19007}

PID=18951  CPU=0 CMD=mrename
  #0   __schedule+0x2e2
  #1   schedule+0x29
  #2   schedule_timeout+0x13f
  #3   ptlrpc_set_wait+0x7cf
  #4   ptlrpc_queue_wait+0x86
  #5   ldlm_cli_enqueue+0x424
  #6   mdc_enqueue_base+0x37a
  #7   mdc_intent_lock+0x135
  #8   lmv_intent_remote+0x5de
  #9   lmv_intent_lookup+0x9f9
  #10  lmv_intent_lock+0x26f
  #11  ll_lookup_it.constprop.42+0x727
  #12  ll_lookup_nd+0x110
  #13  lookup_real+0x1d
  #14  __lookup_hash+0x42
  #15  SYSC_renameat2+0x3a9
  #16  sys_renameat2+0xe
  #17  sys_rename+0x1e
  #18  system_call_fastpath+0x1f, 477 bytes of data
{18985, 19018, 18989, 18958, 18990, 18962, 18966, 18999, 19005, 18974}

PID=18888  CPU=2 CMD=mrename
  #0   __schedule+0x2e2
  #1   schedule_preempt_disabled+0x39
  #2   __mutex_lock_slowpath+0x13a
  #3   mutex_lock+0x2d
  #4   lock_rename+0x93
  #5   SYSC_renameat2+0x22f
  #6   sys_renameat2+0xe
  #7   sys_rename+0x1e
  #8   system_call_fastpath+0x1f, 477 bytes of data
{18906, 18804}

PID=18409  CPU=2 CMD=mrename
  #0   __schedule+0x2e2
  #1   schedule_preempt_disabled+0x39
  #2   __mutex_lock_slowpath+0x13a
  #3   mutex_lock+0x2d
  #4   lock_rename+0x55
  #5   SYSC_renameat2+0x22f
  #6   sys_renameat2+0xe
  #7   sys_rename+0x1e
  #8   system_call_fastpath+0x1f, 477 bytes of data
{19017, 18884, 18693, 18886}

PID=18988  CPU=2 CMD=mrename
  #0   __schedule+0x2e2
  #1   schedule+0x29
  #2   schedule_timeout+0x13f
  #3   ptlrpc_set_wait+0x7cf
  #4   ptlrpc_queue_wait+0x86
  #5   mdc_reint+0x22
  #6   mdc_rename+0x32c
  #7   lmv_rename+0x5ac
  #8   ll_rename+0x560
  #9   vfs_rename+0x885
  #10  SYSC_renameat2+0x4d3
  #11  sys_renameat2+0xe
  #12  sys_rename+0x1e
  #13  system_call_fastpath+0x1f, 477 bytes of data
{19008, 19012, 19016, 18888, 19019, 19022, 19023, 18993, 18678, 19003}



 ** Execution took   1.98s (real)   1.50s (CPU), Child processes:   0.49s