************************* hanginfo *************************
  /exports/testreports/47154/testresults/sanity-pfl-zfs-centos7_x86_64-centos7_x86_64/oleg421-client-timeout-core (3.10.0-7.9-debug) 
 *** UNINTERRUPTIBLE threads, classified ***

 ================== Waiting in io_schedule ==================
    ... 1 pids. Youngest,oldest: 15683, 15683  Ran ms ago: 3599694, 3599694
        sorted by ran_ago, youngest first
      [15683]

*** System activities other threads are waiting for ***
  --- Doing io_schedule ---
{15683}



 ** Execution took   0.35s (real)   0.36s (CPU)