************************* hanginfo ************************* /exports/testreports/47845/testresults/sanity-benchmark-special1-zfs-DNE-centos7_x86_64-centos7_x86_64/oleg105-server-timeout-core (3.10.0-7.9-debug) *** UNINTERRUPTIBLE threads, classified *** ================== Waiting in io_schedule ================== ... 1 pids. Youngest,oldest: 22679, 22679 Ran ms ago: 7, 7 sorted by ran_ago, youngest first [22679] ******** 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 ... 11782 *** System activities other threads are waiting for *** --- Doing io_schedule --- {22679} ** Execution took 0.43s (real) 0.44s (CPU)