************************* hanginfo *************************
  /exports/testreports/44341/testresults/runtests-zfs-centos7_x86_64-centos7_x86_64/oleg215-server-timeout-core (3.10.0-7.9-debug) 
 *** UNINTERRUPTIBLE threads, classified ***

 =============== Waiting in schedule_timeout ================
    ... 1 pids. Youngest,oldest: 6948, 6948  Ran ms ago: 963214, 963214
        sorted by ran_ago, youngest first
      [6948]


 ********  Non-classified UN Threads ********** 2 in total

------- 1 stacks like that: ----------
  #0   __schedule
  #1   schedule
  #2   spl_panic
  #3   dnode_add_ref
  #4   dnode_setdirty
  #5   dbuf_dirty
  #6   dbuf_dirty
  #7   dmu_buf_will_dirty_impl
  #8   dmu_buf_will_dirty
  #9   zap_get_leaf_byblk
  #10  zap_deref_leaf
  #11  fzap_add_cd
  #12  fzap_add
  #13  zap_add_impl
  #14  zap_add
  #15  osd_create
  #16  dt_find_or_create
  #17  fld_index_init
  #18  fld_server_init
  #19  mdt_init0
  #20  mdt_device_alloc
  #21  obd_setup
  #22  class_setup
  #23  class_process_config
  #24  class_config_llog_handler
  #25  llog_process_thread
  #26  llog_process_thread_daemonize
  #27  kthread
  #28  ret_from_fork_nospec_begin

   ........................
     llog_process_th                1 times

   ... PIDs ... 
       7273 

------- 1 stacks like that: ----------
  #0   __schedule
  #1   schedule
  #2   cv_wait_common
  #3   __cv_wait
  #4   txg_quiesce_thread
  #5   thread_generic_wrapper
  #6   kthread
  #7   ret_from_fork_nospec_begin

   ........................
     txg_quiesce                    1 times

   ... PIDs ... 
       6767 

*** System activities other threads are waiting for ***
  --- Doing schedule_timeout ---
{6948}


+++WARNING+++ Possible hang

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

 ** Execution took   0.37s (real)   0.37s (CPU)