Bootstrap hangs while shrinking the system tablespace

Thread-8

=========

#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38

#1  0x00005627c929646d in srw_mutex_impl<true>::wait (this=0x7fc928008b08, lk=2147483650) at /data/Server/enterprise_10.6_patched/storage/innobase/sync/srw_lock.cc:244

#2  0x00005627c9295a41 in srw_mutex_impl<true>::wait_and_lock (this=0x7fc928008b08) at /data/Server/enterprise_10.6_patched/storage/innobase/sync/srw_lock.cc:331

#3  0x00005627c901fb6f in srw_mutex_impl<true>::wr_lock (this=0x7fc928008b08) at /data/Server/enterprise_10.6_patched/storage/innobase/include/srw_lock.h:134

#4  0x00005627c914966e in ssux_lock_impl<true>::u_lock (this=0x7fc928008b08) at /data/Server/enterprise_10.6_patched/storage/innobase/include/srw_lock.h:250

#5  0x00005627c91472d2 in sux_lock<ssux_lock_impl<true> >::u_lock (this=0x7fc928008b08) at /data/Server/enterprise_10.6_patched/storage/innobase/include/sux_lock.h:378

#6  0x00005627c93609fe in buf_page_get_low (page_id=..., zip_size=0, rw_latch=4, guess=0x0, mode=16, mtr=0x7fc8fefdc6c0, err=0x0, allow_ibuf_merge=false, no_wait=0x0)

    at /data/Server/enterprise_10.6_patched/storage/innobase/buf/buf0buf.cc:2895

#7  0x00005627c9360ecd in buf_page_get_gen (page_id=..., zip_size=0, rw_latch=4, guess=0x0, mode=16, mtr=0x7fc8fefdc6c0, err=0x0, allow_ibuf_merge=false, no_wait=0x0)

    at /data/Server/enterprise_10.6_patched/storage/innobase/buf/buf0buf.cc:2958

#8  0x00005627c941b119 in xdes_get_descriptor (space=0x5627caf42310, offset=300, mtr=0x7fc8fefdc6c0, err=0x0, xdes=0x0) at /data/Server/enterprise_10.6_patched/storage/innobase/fsp/fsp0fsp.cc:407

#9  0x00005627c9423014 in fseg_free_step (header=0x7fc9282d003c "", mtr=0x7fc8fefdc6c0, ahi=false) at /data/Server/enterprise_10.6_patched/storage/innobase/fsp/fsp0fsp.cc:2841

#10 0x00005627c929cea7 in trx_purge_free_segment (rseg_hdr=0x7fc928008950, block=0x7fc928001ee0, mtr=...) at /data/Server/enterprise_10.6_patched/storage/innobase/trx/trx0purge.cc:316

#11 0x00005627c92a2a37 in purge_sys_t::iterator::free_history_rseg (this=0x7fc8fefdcad0, rseg=...) at /data/Server/enterprise_10.6_patched/storage/innobase/trx/trx0purge.cc:489

#12 0x00005627c929d18a in purge_sys_t::iterator::free_history (this=0x7fc8fefdcad0) at /data/Server/enterprise_10.6_patched/storage/innobase/trx/trx0purge.cc:551

#13 0x00005627c928398b in purge_truncation_callback () at /data/Server/enterprise_10.6_patched/storage/innobase/srv/srv0srv.cc:1271

#14 0x00005627c94a2c82 in tpool::task_group::execute (this=0x5627caca55a0 <purge_truncation_task_group>, t=0x5627caca5660 <purge_truncation_task>)

    at /data/Server/enterprise_10.6_patched/tpool/task_group.cc:55

Thread-3

========

#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38

#1  0x00005627c9296421 in srw_mutex_impl<false>::wait (this=0x5627ca255f48 <trx_sys+25160>, lk=2147483650) at /data/Server/enterprise_10.6_patched/storage/innobase/sync/srw_lock.cc:244

#2  0x00005627c9295737 in srw_mutex_impl<false>::wait_and_lock (this=0x5627ca255f48 <trx_sys+25160>) at /data/Server/enterprise_10.6_patched/storage/innobase/sync/srw_lock.cc:331

#3  0x00005627c902079b in srw_mutex_impl<false>::wr_lock (this=0x5627ca255f48 <trx_sys+25160>) at /data/Server/enterprise_10.6_patched/storage/innobase/include/srw_lock.h:134

#4  0x00005627c9296256 in ssux_lock_impl<false>::rd_wait (this=0x5627ca255f48 <trx_sys+25160>) at /data/Server/enterprise_10.6_patched/storage/innobase/sync/srw_lock.cc:397

#5  0x00005627c91eecff in ssux_lock_impl<false>::rd_lock (this=0x5627ca255f48 <trx_sys+25160>) at /data/Server/enterprise_10.6_patched/storage/innobase/include/srw_lock.h:247

#6  0x00005627c9294f21 in srw_lock_debug::rd_lock (this=0x5627ca255f48 <trx_sys+25160>) at /data/Server/enterprise_10.6_patched/storage/innobase/sync/srw_lock.cc:623

#7  0x00005627c92ca2af in trx_sys_t::history_size (this=0x5627ca24fd00 <trx_sys>) at /data/Server/enterprise_10.6_patched/storage/innobase/trx/trx0sys.cc:163

#8  0x00005627c9286134 in purge_coordinator_state::do_purge (this=0x5627caca5320 <purge_state>) at /data/Server/enterprise_10.6_patched/storage/innobase/srv/srv0srv.cc:1627

#9  0x00005627c928530c in purge_coordinator_callback () at /data/Server/enterprise_10.6_patched/storage/innobase/srv/srv0srv.cc:1716

#10 0x00005627c94a2c82 in tpool::task_group::execute (this=0x5627caca5440 <purge_coordinator_task_group>, t=0x5627caca5500 <purge_coordinator_task>)

    at /data/Server/enterprise_10.6_patched/tpool/task_group.cc:55

#11 0x00005627c94a2fac in tpool::task::execute (this=0x5627caca5500 <purge_coordinator_task>) at /data/Server/enterprise_10.6_patched/tpool/task.cc:32

#12 0x00005627c949a64f in tpool::thread_pool_generic::worker_main (this=0x5627caebf0d0, thread_var=0x5627caebf6f0) at /data/Server/enterprise_10.6_patched/tpool/tpool_generic.cc:583

Thread-1

========

#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38

#1  0x00005627c929646d in srw_mutex_impl<true>::wait (this=0x7fc928008a38, lk=2147483650) at /data/Server/enterprise_10.6_patched/storage/innobase/sync/srw_lock.cc:244

#2  0x00005627c9295a41 in srw_mutex_impl<true>::wait_and_lock (this=0x7fc928008a38) at /data/Server/enterprise_10.6_patched/storage/innobase/sync/srw_lock.cc:331

#3  0x00005627c901fb6f in srw_mutex_impl<true>::wr_lock (this=0x7fc928008a38) at /data/Server/enterprise_10.6_patched/storage/innobase/include/srw_lock.h:134

#4  0x00005627c914966e in ssux_lock_impl<true>::u_lock (this=0x7fc928008a38) at /data/Server/enterprise_10.6_patched/storage/innobase/include/srw_lock.h:250

#5  0x00005627c91472d2 in sux_lock<ssux_lock_impl<true> >::u_lock (this=0x7fc928008a38) at /data/Server/enterprise_10.6_patched/storage/innobase/include/sux_lock.h:378

#6  0x00005627c93609fe in buf_page_get_low (page_id=..., zip_size=0, rw_latch=4, guess=0x0, mode=10, mtr=0x7ffcf54ddda0, err=0x0, allow_ibuf_merge=false, no_wait=0x0)

    at /data/Server/enterprise_10.6_patched/storage/innobase/buf/buf0buf.cc:2895

#7  0x00005627c9360ecd in buf_page_get_gen (page_id=..., zip_size=0, rw_latch=4, guess=0x0, mode=10, mtr=0x7ffcf54ddda0, err=0x0, allow_ibuf_merge=false, no_wait=0x0)

    at /data/Server/enterprise_10.6_patched/storage/innobase/buf/buf0buf.cc:2958

#8  0x00005627c943b71c in flst_validate (base=0x7fc928008af0, boffset=134, mtr=0x7ffcf54ddda0) at /data/Server/enterprise_10.6_patched/storage/innobase/fut/fut0lst.cc:420

#9  0x00005627c9424de3 in fsp_sys_tablespace_validate () at /data/Server/enterprise_10.6_patched/storage/innobase/fsp/fsp0fsp.cc:3571

#10 0x00005627c9424ffc in fsp_system_tablespace_truncate () at /data/Server/enterprise_10.6_patched/storage/innobase/fsp/fsp0fsp.cc:3622

#11 0x00005627c8fec002 in innobase_end () at /data/Server/enterprise_10.6_patched/storage/innobase/handler/ha_innodb.cc:4381