Dynamic paint smudge crash #61759

New Issue

Peter Johansson · 2019-02-20T19:06:11+01:00

Peter Johansson commented

2019-02-20 19:06:11 +01:00

Using default dynamic paint setup except with the Smudge option switched on, on the brush causes a crash when drawn with on a canvas.

crash boom bang.blend

Play animation
Drag the cube/brush over the plane/canvas

Using default dynamic paint setup except with the Smudge option switched on, on the brush causes a crash when drawn with on a canvas. [crash boom bang.blend](https://archive.blender.org/developer/F6672436/crash_boom_bang.blend) - Play animation - Drag the cube/brush over the plane/canvas

Peter Johansson commented

2019-02-20 19:06:11 +01:00

Added subscriber: @PLJ

Sebastian Parborg commented

2019-03-13 12:27:14 +01:00

Added subscribers: @Sergey, @ZedDB

Sergey Sharybin was assigned by Sebastian Parborg

2019-03-13 12:27:14 +01:00

Sebastian Parborg commented

2019-03-13 12:27:14 +01:00

It works until the time line loops around. Then it segfaults.

Backtrace:

Thread 26 "blender" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffd4ffd700 (LWP 13841)]
0x000055555816a65f in dynamicPaint_brushMeshCalculateVelocity (depsgraph=0x7fffea011908, scene=0x7fffd8570008, ob=0x7fffe95f5408, brush=0x7fffd1835088,
    brushVel=0x7fffd4ffbe28, timescale=1) at /home/zed/programmering/blender_master/blender/source/blender/blenkernel/intern/dynamicpaint.c:3681
3681		numOfVerts_p = mesh_p->totvert;
(gdb) bt
#0  0x000055555816a65f in dynamicPaint_brushMeshCalculateVelocity (depsgraph=0x7fffea011908, scene=0x7fffd8570008, ob=0x7fffe95f5408, brush=0x7fffd1835088,
    brushVel=0x7fffd4ffbe28, timescale=1) at /home/zed/programmering/blender_master/blender/source/blender/blenkernel/intern/dynamicpaint.c:3681
#1  0x000055555816bc68 in dynamicPaint_paintMesh (depsgraph=0x7fffea011908, surface=0x7fffd143c608, brush=0x7fffd1835088, brushOb=0x7fffe95f5408,
    scene=0x7fffd8570008, timescale=1) at /home/zed/programmering/blender_master/blender/source/blender/blenkernel/intern/dynamicpaint.c:4123
#2  0x0000555558172f50 in dynamicPaint_doStep (depsgraph=0x7fffea011908, scene=0x7fffd8570008, ob=0x7fffe95f6008, surface=0x7fffd143c608, timescale=1,
    subframe=0) at /home/zed/programmering/blender_master/blender/source/blender/blenkernel/intern/dynamicpaint.c:5972
#3  0x0000555558173387 in dynamicPaint_calculateFrame (surface=0x7fffd143c608, depsgraph=0x7fffea011908, scene=0x7fffd8570008, cObject=0x7fffe95f6008,
    frame=1) at /home/zed/programmering/blender_master/blender/source/blender/blenkernel/intern/dynamicpaint.c:6065
#4  0x0000555558165434 in dynamicPaint_frameUpdate (pmd=0x7fffd1438028, depsgraph=0x7fffea011908, scene=0x7fffd8570008, ob=0x7fffe95f6008,
    mesh=0x7fffd1019608) at /home/zed/programmering/blender_master/blender/source/blender/blenkernel/intern/dynamicpaint.c:2130
#5  0x000055555816555f in dynamicPaint_Modifier_do (pmd=0x7fffd1438028, depsgraph=0x7fffea011908, scene=0x7fffd8570008, ob=0x7fffe95f6008,
    mesh=0x7fffd1019608) at /home/zed/programmering/blender_master/blender/source/blender/blenkernel/intern/dynamicpaint.c:2157
#6  0x0000555557b5d3a9 in applyModifier (md=0x7fffd1438028, ctx=0x7fffd4ffc420, mesh=0x7fffd1019608)
    at /home/zed/programmering/blender_master/blender/source/blender/modifiers/intern/MOD_dynamicpaint.c:103
#7  0x00005555582306d3 in modwrap_applyModifier (md=0x7fffd1438028, ctx=0x7fffd4ffc420, me=0x7fffd1019608)
    at /home/zed/programmering/blender_master/blender/source/blender/blenkernel/intern/modifier.c:826
#8  0x00005555580bac5b in mesh_calc_modifiers (depsgraph=0x7fffea011908, scene=0x7fffd8570008, ob=0x7fffe95f6008, inputVertexCos=0x0, useDeform=1,
    need_mapping=false, dataMask=0x7fffd4ffc8d0, index=-1, useCache=true, build_shapekey_layers=false, r_deform=0x7fffe95f6560, r_final=0x7fffe95f6558)
    at /home/zed/programmering/blender_master/blender/source/blender/blenkernel/intern/DerivedMesh.c:1457
#9  0x00005555580bd76d in mesh_build_data (depsgraph=0x7fffea011908, scene=0x7fffd8570008, ob=0x7fffe95f6008, dataMask=0x7fffd4ffc8d0,
    build_shapekey_layers=false, need_mapping=false) at /home/zed/programmering/blender_master/blender/source/blender/blenkernel/intern/DerivedMesh.c:2090
#10 0x00005555580bdc1c in makeDerivedMesh (depsgraph=0x7fffea011908, scene=0x7fffd8570008, ob=0x7fffe95f6008, em=0x0, dataMask=0x7fffd4ffc950,
    build_shapekey_layers=false) at /home/zed/programmering/blender_master/blender/source/blender/blenkernel/intern/DerivedMesh.c:2207
#11 0x000055555826ffe8 in BKE_object_handle_data_update (depsgraph=0x7fffea011908, scene=0x7fffd8570008, ob=0x7fffe95f6008)
    at /home/zed/programmering/blender_master/blender/source/blender/blenkernel/intern/object_update.c:184
#12 0x00005555582708d4 in BKE_object_eval_uber_data (depsgraph=0x7fffea011908, scene=0x7fffd8570008, ob=0x7fffe95f6008)
    at /home/zed/programmering/blender_master/blender/source/blender/blenkernel/intern/object_update.c:351
#13 0x00005555586c7d08 in std::__invoke_impl<void, void (*&)(Depsgraph*, Scene*, Object*), Depsgraph*, Scene*&, Object*&> (__f=
    @0x7fffcf3c0700: 0x555558270824 <BKE_object_eval_uber_data>, __args#0=@0x7fffd4ffcb10: 0x7fffea011908, __args#1=@0x7fffcf3c0710: 0x7fffd8570008,
    __args#2=@0x7fffcf3c0708: 0x7fffe95f6008) at /usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/include/g++-v8/bits/invoke.h:60
#14 0x00005555586c6781 in std::__invoke<void (*&)(Depsgraph*, Scene*, Object*), Depsgraph*, Scene*&, Object*&> (__fn=
    @0x7fffcf3c0700: 0x555558270824 <BKE_object_eval_uber_data>, __args#0=@0x7fffd4ffcb10: 0x7fffea011908, __args#1=@0x7fffcf3c0710: 0x7fffd8570008,
    __args#2=@0x7fffcf3c0708: 0x7fffe95f6008) at /usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/include/g++-v8/bits/invoke.h:95
#15 0x00005555586c501f in std::_Bind<void (*(std::_Placeholder<1>, Scene*, Object*))(Depsgraph*, Scene*, Object*)>::__call<void, Depsgraph*&&, 0ul, 1ul, 2ul>(std::tuple<Depsgraph*&&>&&, std::_Index_tuple<0ul, 1ul, 2ul>) (this=0x7fffcf3c0700, __args=...)
    at /usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/include/g++-v8/functional:400
#16 0x00005555586c2f1e in std::_Bind<void (*(std::_Placeholder<1>, Scene*, Object*))(Depsgraph*, Scene*, Object*)>::operator()<Depsgraph*, void>(Depsgraph*&&)
    (this=0x7fffcf3c0700, __args#0=@0x7fffd4ffcb10: 0x7fffea011908) at /usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/include/g++-v8/functional:484
#17 0x00005555586bfde8 in std::_Function_handler<void (Depsgraph*), std::_Bind<void (*(std::_Placeholder<1>, Scene*, Object*))(Depsgraph*, Scene*, Object*)> >::_M_invoke(std::_Any_data const&, Depsgraph*&&) (__functor=..., __args#0=@0x7fffd4ffcb10: 0x7fffea011908)
    at /usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/include/g++-v8/bits/std_function.h:297
#18 0x00005555586db9ad in std::function<void (Depsgraph*)>::operator()(Depsgraph*) const (this=0x7fffcf199880, __args#0=0x7fffea011908)
    at /usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/include/g++-v8/bits/std_function.h:687
#19 0x00005555586daf8b in DEG::deg_task_run_func (pool=0x7fffcf0d6008, taskdata=0x7fffcf199808, thread_id=3)
    at /home/zed/programmering/blender_master/blender/source/blender/depsgraph/intern/eval/deg_eval.cc:88
#20 0x000055555869735e in handle_local_queue (thread_id=3, tls=0x7fffd86028a8)
    at /home/zed/programmering/blender_master/blender/source/blender/blenlib/intern/task.c:417
- 21 task_scheduler_thread_run (thread_p=0x7fffd8602898) at /home/zed/programmering/blender_master/blender/source/blender/blenlib/intern/task.c:446
- 22 0x00007ffff639a3c3 in start_thread () from /lib64/libpthread.so.0
#23 0x00007ffff134f3ef in clone () from /lib64/libc.so.6

@Sergey feel free to reassign if this is not for you.

It works until the time line loops around. Then it segfaults. Backtrace: ``` Thread 26 "blender" received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7fffd4ffd700 (LWP 13841)] 0x000055555816a65f in dynamicPaint_brushMeshCalculateVelocity (depsgraph=0x7fffea011908, scene=0x7fffd8570008, ob=0x7fffe95f5408, brush=0x7fffd1835088, brushVel=0x7fffd4ffbe28, timescale=1) at /home/zed/programmering/blender_master/blender/source/blender/blenkernel/intern/dynamicpaint.c:3681 3681 numOfVerts_p = mesh_p->totvert; (gdb) bt #0 0x000055555816a65f in dynamicPaint_brushMeshCalculateVelocity (depsgraph=0x7fffea011908, scene=0x7fffd8570008, ob=0x7fffe95f5408, brush=0x7fffd1835088, brushVel=0x7fffd4ffbe28, timescale=1) at /home/zed/programmering/blender_master/blender/source/blender/blenkernel/intern/dynamicpaint.c:3681 #1 0x000055555816bc68 in dynamicPaint_paintMesh (depsgraph=0x7fffea011908, surface=0x7fffd143c608, brush=0x7fffd1835088, brushOb=0x7fffe95f5408, scene=0x7fffd8570008, timescale=1) at /home/zed/programmering/blender_master/blender/source/blender/blenkernel/intern/dynamicpaint.c:4123 #2 0x0000555558172f50 in dynamicPaint_doStep (depsgraph=0x7fffea011908, scene=0x7fffd8570008, ob=0x7fffe95f6008, surface=0x7fffd143c608, timescale=1, subframe=0) at /home/zed/programmering/blender_master/blender/source/blender/blenkernel/intern/dynamicpaint.c:5972 #3 0x0000555558173387 in dynamicPaint_calculateFrame (surface=0x7fffd143c608, depsgraph=0x7fffea011908, scene=0x7fffd8570008, cObject=0x7fffe95f6008, frame=1) at /home/zed/programmering/blender_master/blender/source/blender/blenkernel/intern/dynamicpaint.c:6065 #4 0x0000555558165434 in dynamicPaint_frameUpdate (pmd=0x7fffd1438028, depsgraph=0x7fffea011908, scene=0x7fffd8570008, ob=0x7fffe95f6008, mesh=0x7fffd1019608) at /home/zed/programmering/blender_master/blender/source/blender/blenkernel/intern/dynamicpaint.c:2130 #5 0x000055555816555f in dynamicPaint_Modifier_do (pmd=0x7fffd1438028, depsgraph=0x7fffea011908, scene=0x7fffd8570008, ob=0x7fffe95f6008, mesh=0x7fffd1019608) at /home/zed/programmering/blender_master/blender/source/blender/blenkernel/intern/dynamicpaint.c:2157 #6 0x0000555557b5d3a9 in applyModifier (md=0x7fffd1438028, ctx=0x7fffd4ffc420, mesh=0x7fffd1019608) at /home/zed/programmering/blender_master/blender/source/blender/modifiers/intern/MOD_dynamicpaint.c:103 #7 0x00005555582306d3 in modwrap_applyModifier (md=0x7fffd1438028, ctx=0x7fffd4ffc420, me=0x7fffd1019608) at /home/zed/programmering/blender_master/blender/source/blender/blenkernel/intern/modifier.c:826 #8 0x00005555580bac5b in mesh_calc_modifiers (depsgraph=0x7fffea011908, scene=0x7fffd8570008, ob=0x7fffe95f6008, inputVertexCos=0x0, useDeform=1, need_mapping=false, dataMask=0x7fffd4ffc8d0, index=-1, useCache=true, build_shapekey_layers=false, r_deform=0x7fffe95f6560, r_final=0x7fffe95f6558) at /home/zed/programmering/blender_master/blender/source/blender/blenkernel/intern/DerivedMesh.c:1457 #9 0x00005555580bd76d in mesh_build_data (depsgraph=0x7fffea011908, scene=0x7fffd8570008, ob=0x7fffe95f6008, dataMask=0x7fffd4ffc8d0, build_shapekey_layers=false, need_mapping=false) at /home/zed/programmering/blender_master/blender/source/blender/blenkernel/intern/DerivedMesh.c:2090 #10 0x00005555580bdc1c in makeDerivedMesh (depsgraph=0x7fffea011908, scene=0x7fffd8570008, ob=0x7fffe95f6008, em=0x0, dataMask=0x7fffd4ffc950, build_shapekey_layers=false) at /home/zed/programmering/blender_master/blender/source/blender/blenkernel/intern/DerivedMesh.c:2207 #11 0x000055555826ffe8 in BKE_object_handle_data_update (depsgraph=0x7fffea011908, scene=0x7fffd8570008, ob=0x7fffe95f6008) at /home/zed/programmering/blender_master/blender/source/blender/blenkernel/intern/object_update.c:184 #12 0x00005555582708d4 in BKE_object_eval_uber_data (depsgraph=0x7fffea011908, scene=0x7fffd8570008, ob=0x7fffe95f6008) at /home/zed/programmering/blender_master/blender/source/blender/blenkernel/intern/object_update.c:351 #13 0x00005555586c7d08 in std::__invoke_impl<void, void (*&)(Depsgraph*, Scene*, Object*), Depsgraph*, Scene*&, Object*&> (__f= @0x7fffcf3c0700: 0x555558270824 <BKE_object_eval_uber_data>, __args#0=@0x7fffd4ffcb10: 0x7fffea011908, __args#1=@0x7fffcf3c0710: 0x7fffd8570008, __args#2=@0x7fffcf3c0708: 0x7fffe95f6008) at /usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/include/g++-v8/bits/invoke.h:60 #14 0x00005555586c6781 in std::__invoke<void (*&)(Depsgraph*, Scene*, Object*), Depsgraph*, Scene*&, Object*&> (__fn= @0x7fffcf3c0700: 0x555558270824 <BKE_object_eval_uber_data>, __args#0=@0x7fffd4ffcb10: 0x7fffea011908, __args#1=@0x7fffcf3c0710: 0x7fffd8570008, __args#2=@0x7fffcf3c0708: 0x7fffe95f6008) at /usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/include/g++-v8/bits/invoke.h:95 #15 0x00005555586c501f in std::_Bind<void (*(std::_Placeholder<1>, Scene*, Object*))(Depsgraph*, Scene*, Object*)>::__call<void, Depsgraph*&&, 0ul, 1ul, 2ul>(std::tuple<Depsgraph*&&>&&, std::_Index_tuple<0ul, 1ul, 2ul>) (this=0x7fffcf3c0700, __args=...) at /usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/include/g++-v8/functional:400 #16 0x00005555586c2f1e in std::_Bind<void (*(std::_Placeholder<1>, Scene*, Object*))(Depsgraph*, Scene*, Object*)>::operator()<Depsgraph*, void>(Depsgraph*&&) (this=0x7fffcf3c0700, __args#0=@0x7fffd4ffcb10: 0x7fffea011908) at /usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/include/g++-v8/functional:484 #17 0x00005555586bfde8 in std::_Function_handler<void (Depsgraph*), std::_Bind<void (*(std::_Placeholder<1>, Scene*, Object*))(Depsgraph*, Scene*, Object*)> >::_M_invoke(std::_Any_data const&, Depsgraph*&&) (__functor=..., __args#0=@0x7fffd4ffcb10: 0x7fffea011908) at /usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/include/g++-v8/bits/std_function.h:297 #18 0x00005555586db9ad in std::function<void (Depsgraph*)>::operator()(Depsgraph*) const (this=0x7fffcf199880, __args#0=0x7fffea011908) at /usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/include/g++-v8/bits/std_function.h:687 #19 0x00005555586daf8b in DEG::deg_task_run_func (pool=0x7fffcf0d6008, taskdata=0x7fffcf199808, thread_id=3) at /home/zed/programmering/blender_master/blender/source/blender/depsgraph/intern/eval/deg_eval.cc:88 #20 0x000055555869735e in handle_local_queue (thread_id=3, tls=0x7fffd86028a8) at /home/zed/programmering/blender_master/blender/source/blender/blenlib/intern/task.c:417 - 21 task_scheduler_thread_run (thread_p=0x7fffd8602898) at /home/zed/programmering/blender_master/blender/source/blender/blenlib/intern/task.c:446 - 22 0x00007ffff639a3c3 in start_thread () from /lib64/libpthread.so.0 #23 0x00007ffff134f3ef in clone () from /lib64/libc.so.6 ``` @Sergey feel free to reassign if this is not for you.

blender-admin commented

2019-03-20 14:56:20 +01:00

This issue was referenced by 08efcefb47

This issue was referenced by 08efcefb470577cafd2587c1b356b028365dd3f9

Sergey Sharybin commented

2019-03-20 14:57:43 +01:00

Changed status from 'Open' to: 'Resolved'

Sergey Sharybin closed this issue

2019-03-20 14:57:43 +01:00

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Dynamic paint smudge crash #61759