************************* hanginfo *************************
  /exports/testreports/47845/testresults/sanity-benchmark-special9-ldiskfs-centos7_x86_64-centos7_x86_64-retry1/oleg123-server-timeout-core (3.10.0-7.9-debug) 
 *** UNINTERRUPTIBLE threads, classified ***

 ================== Waiting in io_schedule ==================
    ... 2 pids. Youngest,oldest: 7690, 8961  Ran ms ago: 0, 0
        sorted by ran_ago, youngest first
      [7690, 8961]


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

------- 2 stacks like that: ----------
  #0   __schedule
  #1   schedule
  #2   jbd2_log_wait_commit
  #3   jbd2_complete_transaction
  #4   ldiskfs_sync_file
  #5   vfs_fsync_range
  #6   osd_object_sync
  #7   tgt_sync
  #8   ofd_sync_hdl
  #9   tgt_request_handle
  #10  ptlrpc_server_handle_request
  #11  ptlrpc_main
  #12  kthread
  #13  ret_from_fork_nospec_begin

   ........................
     ll_ost00_008                   1 times
     ll_ost00_021                   1 times

   ... PIDs ... 
      13810  13888 

*** System activities other threads are waiting for ***
  --- Doing io_schedule ---
{8961, 7690}



 ** Execution took   0.37s (real)   0.36s (CPU)