************************* hanginfo *************************
  /exports/testreports/47845/testresults/sanity-benchmark-special4-zfs-centos7_x86_64-centos7_x86_64/oleg107-server-timeout-core (3.10.0-7.9-debug) 
 *** UNINTERRUPTIBLE threads, classified ***

 ================== Waiting in io_schedule ==================
    ... 1 pids. Youngest,oldest: 15097, 15097  Ran ms ago: 13, 13
        sorted by ran_ago, youngest first
      [15097]

 =============== Waiting in schedule_timeout ================
    ... 4 pids. Youngest,oldest: 14929, 27619  Ran ms ago: 0, 2
        sorted by ran_ago, youngest first
      [14929, 14944, 15037, 27619]


 ********  Non-classified UN Threads ********** 1 in total

------- 1 stacks like that: ----------
  #0   __schedule
  #1   schedule
  #2   taskq_wait
  #3   dmu_objset_sync
  #4   dsl_dataset_sync
  #5   dsl_pool_sync
  #6   spa_sync
  #7   txg_sync_thread
  #8   thread_generic_wrapper
  #9   kthread
  #10  ret_from_fork_nospec_begin

   ........................
     txg_sync                       1 times

   ... PIDs ... 
       9441 

*** System activities other threads are waiting for ***
  --- Doing io_schedule ---
{15097}
  --- Doing schedule_timeout ---
{14944, 14929, 27619, 15037}



 ** Execution took   0.38s (real)   0.37s (CPU)