#0  __lll_lock_wait (futex=futex@entry=0x7fffae861848, private=0) at lowlevellock.c:52
#1  0x00007ffff7f8d0a3 in __GI___pthread_mutex_lock (mutex=0x7fffae861848) at ../nptl/pthread_mutex_lock.c:80
#2  0x0000000010e20ce0 in BLI_mutex_lock (mutex=0x7fffae861848)
    at /home/dfelinto/src/blender/blender/source/blender/blenlib/intern/threads.cc:375
#3  0x0000000003d6a099 in BKE_mesh_wrapper_ensure_subdivision (ob=0x7fffcf1c2408, me=0x7fffae996008)
    at /home/dfelinto/src/blender/blender/source/blender/blenkernel/intern/mesh_wrapper.c:307
#4  0x0000000003dd09ac in BKE_object_get_evaluated_mesh (object=0x7fffcf1c2408)
    at /home/dfelinto/src/blender/blender/source/blender/blenkernel/intern/object.cc:4260
#5  0x000000000423356b in shrinkwrap_get_tarmat (UNUSED_depsgraph=0x7fffcd837308, con=0x7fff92867688, 
    cob=0x7fffcbd8b908, ct=0x7fffaff663c8, UNUSED_ctime=26)
    at /home/dfelinto/src/blender/blender/source/blender/blenkernel/intern/constraint.c:4270
#6  0x000000000423807a in BKE_constraint_targets_for_solving_get (depsgraph=0x7fffcd837308, 
    con=0x7fff92867688, cob=0x7fffcbd8b908, targets=0x7fffffffd460, ctime=26)
    at /home/dfelinto/src/blender/blender/source/blender/blenkernel/intern/constraint.c:6297
#7  0x000000000423853c in BKE_constraints_solve (depsgraph=0x7fffcd837308, conlist=0x7fff9271b020, 
    cob=0x7fffcbd8b908, ctime=26)
    at /home/dfelinto/src/blender/blender/source/blender/blenkernel/intern/constraint.c:6390
#8  0x00000000041f8f14 in BKE_pose_where_is_bone (depsgraph=0x7fffcd837308, scene=0x7fffd0cca808, 
    ob=0x7fffac798e08, pchan=0x7fff9271b008, ctime=26, do_extra=true)
    at /home/dfelinto/src/blender/blender/source/blender/blenkernel/intern/armature.c:2520
#9  0x00000000041fc7a5 in BKE_pose_constraints_evaluate (depsgraph=0x7fffcd837308, scene=0x7fffd0cca808, 
    object=0x7fffac798e08, pchan_index=1113)
    at /home/dfelinto/src/blender/blender/source/blender/blenkernel/intern/armature_update.c:911
#10 0x00000000047e186c in blender::deg::DepsgraphNodeBuilder::<lambda(Depsgraph*)>::operator()(Depsgraph *) const (__closure=0x7fffce526aa0, depsgraph=0x7fffcd837308)
    at /home/dfelinto/src/blender/blender/source/blender/depsgraph/intern/builder/deg_builder_nodes_rig.cc:60
#11 0x00000000047e3032 in std::_Function_handler<void(Depsgraph*), blender::deg::DepsgraphNodeBuilder::build_pose_constraints(Object*, bPoseChannel*, int)::<lambda(Depsgraph*)> >::_M_invoke(const std::_Any_data &, Depsgraph *&&) (__functor=..., __args#0=@0x7fffffffd630: 0x7fffcd837308)
    at /usr/include/c++/9/bits/std_function.h:300
#12 0x00000000047b2d0b in std::function<void (Depsgraph*)>::operator()(Depsgraph*) const (
    this=0x7fffcba58dc8, __args#0=0x7fffcd837308) at /usr/include/c++/9/bits/std_function.h:688
#13 0x00000000047b1eaf in blender::deg::(anonymous namespace)::evaluate_node (state=0x7fffffffd8d0, 
    operation_node=0x7fffcba58d08)
    at /home/dfelinto/src/blender/blender/source/blender/depsgraph/intern/eval/deg_eval.cc:102
#14 0x00000000047b1ef9 in blender::deg::(anonymous namespace)::deg_task_run_func (pool=0x7fffc2906008, 
    taskdata=0x7fffcba58d08)
    at /home/dfelinto/src/blender/blender/source/blender/depsgraph/intern/eval/deg_eval.cc:113
#15 0x0000000010e1c4f3 in Task::operator() (this=0x7fffc27ac348)
    at /home/dfelinto/src/blender/blender/source/blender/blenlib/intern/task_pool.cc:164
#16 0x0000000010e1d2c2 in tbb::internal::function_task<Task>::execute (this=0x7fffc27ac340)
    at /home/dfelinto/src/blender/lib/linux_centos7_x86_64/tbb/include/tbb/task.h:1059
#17 0x000000000445cd45 in tbb::internal::custom_scheduler<tbb::internal::IntelSchedulerTraits>::process_bypass_loop(tbb::internal::context_guard_helper<false>&, tbb::task*, long) ()
#18 0x000000000445cffb in tbb::internal::custom_scheduler<tbb::internal::IntelSchedulerTraits>::local_wait_for_all(tbb::task&, tbb::task*) ()
#19 0x0000000004a8d611 in tbb::task::wait_for_all (this=0x7fffcda8c2c0)
    at /home/dfelinto/src/blender/lib/linux_centos7_x86_64/tbb/include/tbb/task.h:820
#20 0x0000000004a8db3c in tbb::internal::task_group_base::wait (this=0x7fffc2906040)
    at /home/dfelinto/src/blender/lib/linux_centos7_x86_64/tbb/include/tbb/task_group.h:168
#21 0x0000000010e1c715 in tbb_task_pool_work_and_wait (pool=0x7fffc2906008)
    at /home/dfelinto/src/blender/blender/source/blender/blenlib/intern/task_pool.cc:237
#22 0x0000000010e1cdbc in BLI_task_pool_work_and_wait (pool=0x7fffc2906008)
    at /home/dfelinto/src/blender/blender/source/blender/blenlib/intern/task_pool.cc:486
#23 0x00000000047b25b5 in blender::deg::deg_evaluate_on_refresh (graph=0x7fffcd837308)
    at /home/dfelinto/src/blender/blender/source/blender/depsgraph/intern/eval/deg_eval.cc:384
#24 0x00000000047810b3 in deg_flush_updates_and_refresh (deg_graph=0x7fffcd837308)
    at /home/dfelinto/src/blender/blender/source/blender/depsgraph/intern/depsgraph_eval.cc:44
#25 0x000000000478118c in DEG_evaluate_on_refresh (graph=0x7fffcd837308)
    at /home/dfelinto/src/blender/blender/source/blender/depsgraph/intern/depsgraph_eval.cc:68
#26 0x0000000003e5715b in scene_graph_update_tagged (depsgraph=0x7fffcd837308, bmain=0x7fffafa12908, 
    only_if_tagged=false) at /home/dfelinto/src/blender/blender/source/blender/blenkernel/intern/scene.c:2566
#27 0x0000000003e57247 in BKE_scene_graph_update_tagged (depsgraph=0x7fffcd837308, bmain=0x7fffafa12908)
    at /home/dfelinto/src/blender/blender/source/blender/blenkernel/intern/scene.c:2615
#28 0x0000000004468803 in wm_event_do_depsgraph (C=0x7ffff4729f88, is_after_open_file=false)
    at /home/dfelinto/src/blender/blender/source/blender/windowmanager/intern/wm_event_system.c:380
#29 0x000000000446891c in wm_event_do_refresh_wm_and_depsgraph (C=0x7ffff4729f88)
    at /home/dfelinto/src/blender/blender/source/blender/windowmanager/intern/wm_event_system.c:402
#30 0x0000000004469358 in wm_event_do_notifiers (C=0x7ffff4729f88)
    at /home/dfelinto/src/blender/blender/source/blender/windowmanager/intern/wm_event_system.c:612
#31 0x0000000004462dc0 in WM_main (C=0x7ffff4729f88)
    at /home/dfelinto/src/blender/blender/source/blender/windowmanager/intern/wm.c:626
#32 0x0000000003c8bada in main (argc=1, argv=0x7fffffffdd78)
    at /home/dfelinto/src/blender/blender/source/creator/creator.c:544