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Object with surface deform modifier and particle system on alembic leads to halt if mblur is enabled (fix needs backporting to 2.93 LTS) #90147

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opened 2021-07-26 00:58:23 +02:00 by Yegor · 20 comments
Yegor commented 2021-07-26 00:58:23 +02:00
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System Information
Operating system: Linux-5.4.0-77-generic-x86_64-with-glibc2.31 64 Bits
Graphics card: GeForce GTX 1080 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 460.80

Blender Version
Broken: version: 2.93.1, branch: master, commit date: 2021-06-22 05:57, hash: 1b8d33b18c
Worked: 2.83.16
Works: 3.0

So this is an issue of finding the commit to be backported to 2.93 LTS

Short description of error
You have an alembic. Stick an object with a hair particle system to it via Surface Deform modifier. Enable motion blur and you'll find Blender fall into "Initializing" state forever on rendering.

Exact steps for others to reproduce the error
Download both files in the same place.
Open the blend file and make sure the alembic is playable.
Hit render. On a newly opened file it can take 2 or 3 times. Then it'll fall into some sort of an infinite loop. The interface will respond, though.
surface_deform_alembic_mblur_bug.blend
Link to the alembic: abc

**System Information** Operating system: Linux-5.4.0-77-generic-x86_64-with-glibc2.31 64 Bits Graphics card: GeForce GTX 1080 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 460.80 **Blender Version** Broken: version: 2.93.1, branch: master, commit date: 2021-06-22 05:57, hash: `1b8d33b18c` Worked: 2.83.16 Works: 3.0 So this is an issue of finding the commit to be backported to 2.93 LTS **Short description of error** You have an alembic. Stick an object with a hair particle system to it via Surface Deform modifier. Enable motion blur and you'll find Blender fall into "Initializing" state forever on rendering. **Exact steps for others to reproduce the error** Download both files in the same place. Open the blend file and make sure the alembic is playable. Hit render. On a newly opened file it can take 2 or 3 times. Then it'll fall into some sort of an infinite loop. The interface will respond, though. [surface_deform_alembic_mblur_bug.blend](https://archive.blender.org/developer/F10237571/surface_deform_alembic_mblur_bug.blend) Link to the alembic: [abc ](https://drive.google.com/file/d/11M4qCpGZ0Ecq4_qqUTiTv1mA3iFeG4oM/view?usp=sharing)
Yegor commented 2021-07-26 00:58:23 +02:00
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Added subscriber: @YegorSmirnov

Added subscriber: @YegorSmirnov
Philipp Oeser commented 2021-07-26 12:38:48 +02:00
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Added subscriber: @lichtwerk

Added subscriber: @lichtwerk
Philipp Oeser commented 2021-07-26 12:38:48 +02:00
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Changed status from 'Needs Triage' to: 'Confirmed'

Changed status from 'Needs Triage' to: 'Confirmed'
Philipp Oeser commented 2021-07-26 12:38:48 +02:00
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I can repro in 2.93 (it is a bit hard/inconsistent though -- sometimes more than 3 render attemps were neccessary, also a framechange in between), but havent been able to get it to freeze in 3.0.
@YegorSmirnov: could you check if the situation improves for you in a frash 3.0 build from https://builder.blender.org/download/daily/?

(will confirm though, because even if this is fixed in 3.0, fix should be backported to 2.93)

I can repro in 2.93 (it is a bit hard/inconsistent though -- sometimes more than 3 render attemps were neccessary, also a framechange in between), but havent been able to get it to freeze in 3.0. @YegorSmirnov: could you check if the situation improves for you in a frash 3.0 build from https://builder.blender.org/download/daily/? (will confirm though, because even if this is fixed in 3.0, fix should be backported to 2.93)
Yegor commented 2021-07-26 15:33:50 +02:00
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Checked. 2.93.2 also suffers. 3.0 doing fine.

Checked. 2.93.2 also suffers. 3.0 doing fine.
Brecht Van Lommel commented 2021-07-26 18:01:48 +02:00
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Added subscriber: @brecht

Added subscriber: @brecht
Brecht Van Lommel commented 2021-07-26 18:01:48 +02:00
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Possibly fixed by 2834816, which was ported to 2.93.2 just today.

So the 2.93.2 build you tried may not have had that fix yet.

Possibly fixed by 2834816, which was ported to 2.93.2 just today. So the 2.93.2 build you tried may not have had that fix yet.
Philipp Oeser commented 2021-07-26 18:15:35 +02:00
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Changed status from 'Confirmed' to: 'Needs User Info'

Changed status from 'Confirmed' to: 'Needs User Info'
Philipp Oeser commented 2021-07-26 18:15:35 +02:00
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Thx checking, @brecht

@YegorSmirnov : could you check tomorrows 2.93.2 build from https://builder.blender.org/download/daily/ and report back if issues persist in that build?

Thx checking, @brecht @YegorSmirnov : could you check tomorrows 2.93.2 build from https://builder.blender.org/download/daily/ and report back if issues persist in that build?
Yegor commented 2021-07-26 20:45:08 +02:00
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Sure. Will do.

Sure. Will do.
Yegor commented 2021-07-27 09:07:36 +02:00
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Just tested it. The issue is still there.

Just tested it. The issue is still there.
Philipp Oeser commented 2021-07-27 09:16:05 +02:00
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Changed status from 'Needs User Info' to: 'Needs Triage'

Changed status from 'Needs User Info' to: 'Needs Triage'
Philipp Oeser commented 2021-08-04 11:25:44 +02:00
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Hm, wanted to check on this again, but now I cannot even get it to fail in 2.93.1... nor 2.93.0... not sure what is going on.

Hm, wanted to check on this again, but now I cannot even get it to fail in 2.93.1... nor 2.93.0... not sure what is going on.
Yegor commented 2021-08-04 11:40:59 +02:00
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May be ask someone else to try it? I can still reproduce it.

May be ask someone else to try it? I can still reproduce it.
Richard Antalik commented 2021-08-05 02:55:47 +02:00
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Added subscriber: @iss

Added subscriber: @iss
Richard Antalik commented 2021-08-05 02:55:47 +02:00
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I was able to reproduce with 2.93.2, no issue in master. Rendering is stuck on second frame when rendering animation.

Threads running, all 3 waiting:

 	[External Code]	
>	[Inline Frame] blender.exe!tbb::task::wait_for_all() Line 820	C++

 	blender.exe!tbb::internal::task_group_base::wait() Line 168	C++
 	blender.exe!psys_cache_child_paths(ParticleSimulationData * sim, float cfra, const bool editupdate, const bool use_render_params) Line 3218	C
 	blender.exe!psys_update_path_cache(ParticleSimulationData * sim, float cfra, const bool use_render_params) Line 3269	C
 	blender.exe!hair_step(ParticleSimulationData * sim, float cfra, const bool use_render_params) Line 3560	C
 	blender.exe!particle_system_update(Depsgraph * depsgraph, Scene * scene, Object * ob, ParticleSystem * psys, const bool use_render_params) Line 4886	C
 	blender.exe!deformVerts(ModifierData * md, const ModifierEvalContext * ctx, Mesh * mesh, float[3] * vertexCos, int numVerts) Line 234	C
 	blender.exe!mesh_calc_modifiers(Depsgraph * depsgraph, Scene * scene, Object * ob, int useDeform, const bool need_mapping, const CustomData_MeshMasks * dataMask, const int index, const bool use_cache, const bool allow_shared_mesh, Mesh * * r_deform, Mesh * * r_final, GeometrySet * * r_geometry_set) Line 1096	C++
 	blender.exe!mesh_build_data(Depsgraph * depsgraph, Scene * scene, Object * ob, const CustomData_MeshMasks * dataMask, const bool need_mapping) Line 1949	C++
 	blender.exe!makeDerivedMesh(Depsgraph * depsgraph, Scene * scene, Object * ob, BMEditMesh * em, const CustomData_MeshMasks * dataMask) Line 2080	C++
 	blender.exe!BKE_object_handle_data_update(Depsgraph * depsgraph, Scene * scene, Object * ob) Line 204	C
 	blender.exe!BKE_object_eval_uber_data(Depsgraph * depsgraph, Scene * scene, Object * ob) Line 389	C
 	[Inline Frame] blender.exe!std::_Func_class<void,Depsgraph *>::operator()(Depsgraph * <_Args_0>) Line 951	C++
 	blender.exe!blender::deg::`anonymous namespace'::evaluate_node(const blender::deg::`anonymous-namespace'::DepsgraphEvalState * state, blender::deg::OperationNode * operation_node) Line 115	C++
 	blender.exe!blender::deg::`anonymous namespace'::deg_task_run_func(TaskPool * pool, void * taskdata) Line 127	C++
 	[External Code]	
 	[Inline Frame] blender.exe!tbb::interface7::internal::isolate_impl(const Task::()::__l2::<lambda_4c4e9cab0012cf46ce574e5cf4859202> &) Line 216	C++
 	[Inline Frame] blender.exe!tbb::interface7::this_task_arena::isolate(const Task::()::__l2::<lambda_4c4e9cab0012cf46ce574e5cf4859202> &) Line 472	C++
 	[Inline Frame] blender.exe!Task::operator()() Line 118	C++
 	blender.exe!tbb::internal::function_task<Task>::execute() Line 1059	C++
 	[External Code]	

 	[External Code]	
>	[Inline Frame] blender.exe!tbb::task::wait_for_all() Line 820	C++

 	blender.exe!tbb::internal::task_group_base::wait() Line 168	C++
 	blender.exe!psys_cache_child_paths(ParticleSimulationData * sim, float cfra, const bool editupdate, const bool use_render_params) Line 3218	C
 	blender.exe!psys_update_path_cache(ParticleSimulationData * sim, float cfra, const bool use_render_params) Line 3269	C
 	blender.exe!hair_step(ParticleSimulationData * sim, float cfra, const bool use_render_params) Line 3560	C
 	blender.exe!particle_system_update(Depsgraph * depsgraph, Scene * scene, Object * ob, ParticleSystem * psys, const bool use_render_params) Line 4886	C
 	blender.exe!deformVerts(ModifierData * md, const ModifierEvalContext * ctx, Mesh * mesh, float[3] * vertexCos, int numVerts) Line 234	C
 	blender.exe!mesh_calc_modifiers(Depsgraph * depsgraph, Scene * scene, Object * ob, int useDeform, const bool need_mapping, const CustomData_MeshMasks * dataMask, const int index, const bool use_cache, const bool allow_shared_mesh, Mesh * * r_deform, Mesh * * r_final, GeometrySet * * r_geometry_set) Line 1096	C++
 	blender.exe!mesh_build_data(Depsgraph * depsgraph, Scene * scene, Object * ob, const CustomData_MeshMasks * dataMask, const bool need_mapping) Line 1949	C++
 	blender.exe!makeDerivedMesh(Depsgraph * depsgraph, Scene * scene, Object * ob, BMEditMesh * em, const CustomData_MeshMasks * dataMask) Line 2080	C++
 	blender.exe!BKE_object_handle_data_update(Depsgraph * depsgraph, Scene * scene, Object * ob) Line 204	C
 	blender.exe!BKE_object_eval_uber_data(Depsgraph * depsgraph, Scene * scene, Object * ob) Line 389	C
 	[Inline Frame] blender.exe!std::_Func_class<void,Depsgraph *>::operator()(Depsgraph * <_Args_0>) Line 951	C++
 	blender.exe!blender::deg::`anonymous namespace'::evaluate_node(const blender::deg::`anonymous-namespace'::DepsgraphEvalState * state, blender::deg::OperationNode * operation_node) Line 115	C++
 	blender.exe!blender::deg::`anonymous namespace'::deg_task_run_func(TaskPool * pool, void * taskdata) Line 127	C++
 	[External Code]	
 	[Inline Frame] blender.exe!tbb::interface7::internal::isolate_impl(const Task::()::__l2::<lambda_4c4e9cab0012cf46ce574e5cf4859202> &) Line 216	C++
 	[Inline Frame] blender.exe!tbb::interface7::this_task_arena::isolate(const Task::()::__l2::<lambda_4c4e9cab0012cf46ce574e5cf4859202> &) Line 472	C++
 	[Inline Frame] blender.exe!Task::operator()() Line 118	C++
 	blender.exe!tbb::internal::function_task<Task>::execute() Line 1059	C++
 	[External Code]	

>	[Inline Frame] blender.exe!tbb::task::wait_for_all() Line 820	C++

 	blender.exe!tbb::internal::task_group_base::wait() Line 168	C++
 	blender.exe!blender::deg::deg_evaluate_on_refresh(blender::deg::Depsgraph * graph) Line 398	C++
 	blender.exe!BKE_scene_graph_update_for_newframe_ex(Depsgraph * depsgraph, const bool clear_recalc) Line 2738	C
 	blender.exe!RE_engine_frame_set(RenderEngine * engine, int frame, float subframe) Line 727	C
 	[Inline Frame] blender.exe!rna_RenderEngine_engine_frame_set(RenderEngine *) Line 422	C
 	blender.exe!RenderEngine_frame_set_func(RenderEngine * _self, int frame, float subframe) Line 1505	C
 	[Inline Frame] blender.exe!BL::RenderEngine::frame_set(int) Line 58178	C++
 	blender.exe!ccl::BlenderSync::sync_motion(BL::RenderSettings & b_render, BL::Depsgraph & b_depsgraph, BL::SpaceView3D & b_v3d, BL::Object & b_override, int width, int height, void * * python_thread_state) Line 665	C++
 	blender.exe!ccl::BlenderSync::sync_data(BL::RenderSettings & b_render, BL::Depsgraph & b_depsgraph, BL::SpaceView3D & b_v3d, BL::Object & b_override, int width, int height, void * * python_thread_state) Line 263	C++
 	blender.exe!ccl::BlenderSession::render(BL::Depsgraph & b_depsgraph_) Line 532	C++
 	[External Code]	
 	[Inline Frame] blender.exe!tbb::interface7::internal::isolate_impl(const ccl::render_func::__l2::<lambda_f43bc653d9389e3a43f5725a11e72709> &) Line 216	C++
 	[Inline Frame] blender.exe!tbb::interface7::this_task_arena::isolate(const ccl::render_func::__l2::<lambda_f43bc653d9389e3a43f5725a11e72709> &) Line 472	C++
 	blender.exe!ccl::render_func(_object * __formal, _object * args) Line 296	C++
 	python39.dll!cfunction_call(_object * func, _object * args, _object * kwargs) Line 550	C
 	python39.dll!_PyObject_MakeTpCall(_ts * tstate, _object * callable, _object * const * args, __int64 nargs, _object * keywords) Line 192	C
 	[Inline Frame] python39.dll!PyObject_Vectorcall(_object *) Line 127	C
 	python39.dll!call_function(_ts * tstate, _object * * * pp_stack, __int64 oparg, _object * kwnames) Line 5078	C
 	python39.dll!_PyEval_EvalFrameDefault(_ts * tstate, _frame * f, int throwflag) Line 3489	C
 	[Inline Frame] python39.dll!_PyEval_EvalFrame(_ts *) Line 40	C
 	python39.dll!function_code_fastcall(_ts * tstate, PyCodeObject * co, _object * const * args, __int64 nargs, _object * globals) Line 332	C
 	python39.dll!_PyFunction_Vectorcall(_object * func, _object * const * stack, unsigned __int64 nargsf, _object * kwnames) Line 404	C
 	python39.dll!_PyObject_VectorcallTstate(_ts * tstate, _object * callable, _object * const * args, unsigned __int64 nargsf, _object * kwnames) Line 119	C
 	[Inline Frame] python39.dll!PyObject_Vectorcall(_object *) Line 127	C
 	python39.dll!call_function(_ts * tstate, _object * * * pp_stack, __int64 oparg, _object * kwnames) Line 5078	C
 	python39.dll!_PyEval_EvalFrameDefault(_ts * tstate, _frame * f, int throwflag) Line 3489	C
 	[Inline Frame] python39.dll!_PyEval_EvalFrame(_ts *) Line 40	C
 	python39.dll!function_code_fastcall(_ts * tstate, PyCodeObject * co, _object * const * args, __int64 nargs, _object * globals) Line 332	C
 	python39.dll!_PyFunction_Vectorcall(_object * func, _object * const * stack, unsigned __int64 nargsf, _object * kwnames) Line 404	C
 	blender.exe!bpy_class_call(bContext * C, PointerRNA * ptr, FunctionRNA * func, ParameterList * parms) Line 8584	C
 	blender.exe!engine_render(RenderEngine * engine, Depsgraph * depsgraph) Line 180	C
 	blender.exe!engine_render_view_layer(Render * re, RenderEngine * engine, ViewLayer * view_layer_iter, const bool use_engine, const bool use_grease_pencil) Line 876	C
 	blender.exe!RE_engine_render(Render * re, bool do_all) Line 999	C
 	blender.exe!do_render_engine(Render * re) Line 1084	C
 	blender.exe!do_render_compositor(Render * re) Line 1210	C
 	blender.exe!do_render_full_pipeline(Render * re) Line 1480	C
 	blender.exe!RE_RenderAnim(Render * re, Main * bmain, Scene * scene, ViewLayer * single_layer, Object * camera_override, int sfra, int efra, int tfra) Line 2498	C
 	blender.exe!render_startjob(void * rjv, short * stop, short * do_update, float * progress) Line 660	C
 	blender.exe!do_job_thread(void * job_v) Line 390	C
 	[External Code]

No other threads seems to be running.

I was able to reproduce with 2.93.2, no issue in master. Rendering is stuck on second frame when rendering animation. Threads running, all 3 waiting: ``` [External Code] > [Inline Frame] blender.exe!tbb::task::wait_for_all() Line 820 C++ blender.exe!tbb::internal::task_group_base::wait() Line 168 C++ blender.exe!psys_cache_child_paths(ParticleSimulationData * sim, float cfra, const bool editupdate, const bool use_render_params) Line 3218 C blender.exe!psys_update_path_cache(ParticleSimulationData * sim, float cfra, const bool use_render_params) Line 3269 C blender.exe!hair_step(ParticleSimulationData * sim, float cfra, const bool use_render_params) Line 3560 C blender.exe!particle_system_update(Depsgraph * depsgraph, Scene * scene, Object * ob, ParticleSystem * psys, const bool use_render_params) Line 4886 C blender.exe!deformVerts(ModifierData * md, const ModifierEvalContext * ctx, Mesh * mesh, float[3] * vertexCos, int numVerts) Line 234 C blender.exe!mesh_calc_modifiers(Depsgraph * depsgraph, Scene * scene, Object * ob, int useDeform, const bool need_mapping, const CustomData_MeshMasks * dataMask, const int index, const bool use_cache, const bool allow_shared_mesh, Mesh * * r_deform, Mesh * * r_final, GeometrySet * * r_geometry_set) Line 1096 C++ blender.exe!mesh_build_data(Depsgraph * depsgraph, Scene * scene, Object * ob, const CustomData_MeshMasks * dataMask, const bool need_mapping) Line 1949 C++ blender.exe!makeDerivedMesh(Depsgraph * depsgraph, Scene * scene, Object * ob, BMEditMesh * em, const CustomData_MeshMasks * dataMask) Line 2080 C++ blender.exe!BKE_object_handle_data_update(Depsgraph * depsgraph, Scene * scene, Object * ob) Line 204 C blender.exe!BKE_object_eval_uber_data(Depsgraph * depsgraph, Scene * scene, Object * ob) Line 389 C [Inline Frame] blender.exe!std::_Func_class<void,Depsgraph *>::operator()(Depsgraph * <_Args_0>) Line 951 C++ blender.exe!blender::deg::`anonymous namespace'::evaluate_node(const blender::deg::`anonymous-namespace'::DepsgraphEvalState * state, blender::deg::OperationNode * operation_node) Line 115 C++ blender.exe!blender::deg::`anonymous namespace'::deg_task_run_func(TaskPool * pool, void * taskdata) Line 127 C++ [External Code] [Inline Frame] blender.exe!tbb::interface7::internal::isolate_impl(const Task::()::__l2::<lambda_4c4e9cab0012cf46ce574e5cf4859202> &) Line 216 C++ [Inline Frame] blender.exe!tbb::interface7::this_task_arena::isolate(const Task::()::__l2::<lambda_4c4e9cab0012cf46ce574e5cf4859202> &) Line 472 C++ [Inline Frame] blender.exe!Task::operator()() Line 118 C++ blender.exe!tbb::internal::function_task<Task>::execute() Line 1059 C++ [External Code] ``` ``` [External Code] > [Inline Frame] blender.exe!tbb::task::wait_for_all() Line 820 C++ blender.exe!tbb::internal::task_group_base::wait() Line 168 C++ blender.exe!psys_cache_child_paths(ParticleSimulationData * sim, float cfra, const bool editupdate, const bool use_render_params) Line 3218 C blender.exe!psys_update_path_cache(ParticleSimulationData * sim, float cfra, const bool use_render_params) Line 3269 C blender.exe!hair_step(ParticleSimulationData * sim, float cfra, const bool use_render_params) Line 3560 C blender.exe!particle_system_update(Depsgraph * depsgraph, Scene * scene, Object * ob, ParticleSystem * psys, const bool use_render_params) Line 4886 C blender.exe!deformVerts(ModifierData * md, const ModifierEvalContext * ctx, Mesh * mesh, float[3] * vertexCos, int numVerts) Line 234 C blender.exe!mesh_calc_modifiers(Depsgraph * depsgraph, Scene * scene, Object * ob, int useDeform, const bool need_mapping, const CustomData_MeshMasks * dataMask, const int index, const bool use_cache, const bool allow_shared_mesh, Mesh * * r_deform, Mesh * * r_final, GeometrySet * * r_geometry_set) Line 1096 C++ blender.exe!mesh_build_data(Depsgraph * depsgraph, Scene * scene, Object * ob, const CustomData_MeshMasks * dataMask, const bool need_mapping) Line 1949 C++ blender.exe!makeDerivedMesh(Depsgraph * depsgraph, Scene * scene, Object * ob, BMEditMesh * em, const CustomData_MeshMasks * dataMask) Line 2080 C++ blender.exe!BKE_object_handle_data_update(Depsgraph * depsgraph, Scene * scene, Object * ob) Line 204 C blender.exe!BKE_object_eval_uber_data(Depsgraph * depsgraph, Scene * scene, Object * ob) Line 389 C [Inline Frame] blender.exe!std::_Func_class<void,Depsgraph *>::operator()(Depsgraph * <_Args_0>) Line 951 C++ blender.exe!blender::deg::`anonymous namespace'::evaluate_node(const blender::deg::`anonymous-namespace'::DepsgraphEvalState * state, blender::deg::OperationNode * operation_node) Line 115 C++ blender.exe!blender::deg::`anonymous namespace'::deg_task_run_func(TaskPool * pool, void * taskdata) Line 127 C++ [External Code] [Inline Frame] blender.exe!tbb::interface7::internal::isolate_impl(const Task::()::__l2::<lambda_4c4e9cab0012cf46ce574e5cf4859202> &) Line 216 C++ [Inline Frame] blender.exe!tbb::interface7::this_task_arena::isolate(const Task::()::__l2::<lambda_4c4e9cab0012cf46ce574e5cf4859202> &) Line 472 C++ [Inline Frame] blender.exe!Task::operator()() Line 118 C++ blender.exe!tbb::internal::function_task<Task>::execute() Line 1059 C++ [External Code] ``` ``` > [Inline Frame] blender.exe!tbb::task::wait_for_all() Line 820 C++ blender.exe!tbb::internal::task_group_base::wait() Line 168 C++ blender.exe!blender::deg::deg_evaluate_on_refresh(blender::deg::Depsgraph * graph) Line 398 C++ blender.exe!BKE_scene_graph_update_for_newframe_ex(Depsgraph * depsgraph, const bool clear_recalc) Line 2738 C blender.exe!RE_engine_frame_set(RenderEngine * engine, int frame, float subframe) Line 727 C [Inline Frame] blender.exe!rna_RenderEngine_engine_frame_set(RenderEngine *) Line 422 C blender.exe!RenderEngine_frame_set_func(RenderEngine * _self, int frame, float subframe) Line 1505 C [Inline Frame] blender.exe!BL::RenderEngine::frame_set(int) Line 58178 C++ blender.exe!ccl::BlenderSync::sync_motion(BL::RenderSettings & b_render, BL::Depsgraph & b_depsgraph, BL::SpaceView3D & b_v3d, BL::Object & b_override, int width, int height, void * * python_thread_state) Line 665 C++ blender.exe!ccl::BlenderSync::sync_data(BL::RenderSettings & b_render, BL::Depsgraph & b_depsgraph, BL::SpaceView3D & b_v3d, BL::Object & b_override, int width, int height, void * * python_thread_state) Line 263 C++ blender.exe!ccl::BlenderSession::render(BL::Depsgraph & b_depsgraph_) Line 532 C++ [External Code] [Inline Frame] blender.exe!tbb::interface7::internal::isolate_impl(const ccl::render_func::__l2::<lambda_f43bc653d9389e3a43f5725a11e72709> &) Line 216 C++ [Inline Frame] blender.exe!tbb::interface7::this_task_arena::isolate(const ccl::render_func::__l2::<lambda_f43bc653d9389e3a43f5725a11e72709> &) Line 472 C++ blender.exe!ccl::render_func(_object * __formal, _object * args) Line 296 C++ python39.dll!cfunction_call(_object * func, _object * args, _object * kwargs) Line 550 C python39.dll!_PyObject_MakeTpCall(_ts * tstate, _object * callable, _object * const * args, __int64 nargs, _object * keywords) Line 192 C [Inline Frame] python39.dll!PyObject_Vectorcall(_object *) Line 127 C python39.dll!call_function(_ts * tstate, _object * * * pp_stack, __int64 oparg, _object * kwnames) Line 5078 C python39.dll!_PyEval_EvalFrameDefault(_ts * tstate, _frame * f, int throwflag) Line 3489 C [Inline Frame] python39.dll!_PyEval_EvalFrame(_ts *) Line 40 C python39.dll!function_code_fastcall(_ts * tstate, PyCodeObject * co, _object * const * args, __int64 nargs, _object * globals) Line 332 C python39.dll!_PyFunction_Vectorcall(_object * func, _object * const * stack, unsigned __int64 nargsf, _object * kwnames) Line 404 C python39.dll!_PyObject_VectorcallTstate(_ts * tstate, _object * callable, _object * const * args, unsigned __int64 nargsf, _object * kwnames) Line 119 C [Inline Frame] python39.dll!PyObject_Vectorcall(_object *) Line 127 C python39.dll!call_function(_ts * tstate, _object * * * pp_stack, __int64 oparg, _object * kwnames) Line 5078 C python39.dll!_PyEval_EvalFrameDefault(_ts * tstate, _frame * f, int throwflag) Line 3489 C [Inline Frame] python39.dll!_PyEval_EvalFrame(_ts *) Line 40 C python39.dll!function_code_fastcall(_ts * tstate, PyCodeObject * co, _object * const * args, __int64 nargs, _object * globals) Line 332 C python39.dll!_PyFunction_Vectorcall(_object * func, _object * const * stack, unsigned __int64 nargsf, _object * kwnames) Line 404 C blender.exe!bpy_class_call(bContext * C, PointerRNA * ptr, FunctionRNA * func, ParameterList * parms) Line 8584 C blender.exe!engine_render(RenderEngine * engine, Depsgraph * depsgraph) Line 180 C blender.exe!engine_render_view_layer(Render * re, RenderEngine * engine, ViewLayer * view_layer_iter, const bool use_engine, const bool use_grease_pencil) Line 876 C blender.exe!RE_engine_render(Render * re, bool do_all) Line 999 C blender.exe!do_render_engine(Render * re) Line 1084 C blender.exe!do_render_compositor(Render * re) Line 1210 C blender.exe!do_render_full_pipeline(Render * re) Line 1480 C blender.exe!RE_RenderAnim(Render * re, Main * bmain, Scene * scene, ViewLayer * single_layer, Object * camera_override, int sfra, int efra, int tfra) Line 2498 C blender.exe!render_startjob(void * rjv, short * stop, short * do_update, float * progress) Line 660 C blender.exe!do_job_thread(void * job_v) Line 390 C [External Code] ``` No other threads seems to be running.
Philipp Oeser changed title from Object with surface deform modifier and particle system on alembic leads to halt if mblur is enabled to Object with surface deform modifier and particle system on alembic leads to halt if mblur is enabled (fix needs backporting to 2.93 LTS) 2021-08-05 10:06:27 +02:00
Philipp Oeser commented 2021-08-05 10:06:52 +02:00
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Changed status from 'Needs Triage' to: 'Confirmed'

Changed status from 'Needs Triage' to: 'Confirmed'
Philipp Oeser commented 2021-08-05 10:06:52 +02:00
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Will confim then.

Will confim then.
Yegor commented 2021-09-08 11:27:29 +02:00
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Poking. Desperately need this in production as 3.0 gives inconsistent render with jumping hair (will create another report)

Poking. Desperately need this in production as 3.0 gives inconsistent render with jumping hair (will create another report)
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Philipp Oeser commented 2023-07-07 09:45:25 +02:00
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Hm, seems we couldnt find the backporting commit in time for 2.93 LTS...
2.93 LTS is EOL though, so unfortunately we have to close this report since there will be no more fixes for 2.93

Hm, seems we couldnt find the backporting commit in time for 2.93 LTS... 2.93 LTS is EOL though, so unfortunately we have to close this report since there will be no more fixes for 2.93
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