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Crash: sculpting with Dyntopo + clay brush
Closed, ResolvedPublic

Description

System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: GeForce GTX 950M/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 398.35

Blender Version
Broken: version: 2.90.0 Alpha, branch: master, commit date: 2020-07-16 18:07, hash: rB608d9b5aa1f1

Short description of error
Dyntopo crash blender

Exact steps for others to reproduce the error

  1. open new scene
  2. go to sculpt layout
  3. turn on Dyntopo
  4. take Clay brush or other except Draw brush
  5. sculpting

Event Timeline

Richard Antalik (ISS) changed the task status from Needs Triage to Confirmed.Jul 17 2020, 4:19 AM

Exception thrown: read access violation. v was 0x40.

>	blender.exe!bmesh_disk_facevert_count(const BMVert * v) Line 282	C
 	blender.exe!bmiter__loop_of_vert_begin(BMIter__loop_of_vert * iter) Line 515	C
 	[Inline Frame] blender.exe!BM_iter_init(BMIter *) Line 152	C
 	[Inline Frame] blender.exe!BM_iter_new(BMIter *) Line 168	C
 	blender.exe!sculpt_vertex_neighbors_get_bmesh(SculptSession * ss, int index, SculptVertexNeighborIter * iter) Line 690	C
 	blender.exe!SCULPT_vertex_neighbors_get(SculptSession * ss, const int index, const bool include_duplicates, SculptVertexNeighborIter * iter) Line 784	C
 	blender.exe!SCULPT_neighbor_coords_average(SculptSession * ss, float * result, int index) Line 146	C
 	blender.exe!do_smooth_brush_task_cb_ex(void * userdata, const int n, const TaskParallelTLS * tls) Line 241	C
 	blender.exe!BLI_task_parallel_range(const int start, const int stop, void * userdata, void(*)(void *, const int, const TaskParallelTLS *) func, const TaskParallelSettings * settings) Line 139	C++
 	blender.exe!SCULPT_smooth(Sculpt * sd, Object * ob, PBVHNode * * nodes, const int totnode, float bstrength, const bool smooth_mask) Line 292	C
 	blender.exe!do_brush_action(Sculpt * sd, Object * ob, Brush * brush, UnifiedPaintSettings * ups) Line 5673	C
 	blender.exe!do_tiled(Sculpt * sd, Object * ob, Brush * brush, UnifiedPaintSettings * ups, void(*)(Sculpt *, Object *, Brush *, UnifiedPaintSettings *) action) Line 5994	C
 	blender.exe!do_symmetrical_brush_actions(Sculpt * sd, Object * ob, void(*)(Sculpt *, Object *, Brush *, UnifiedPaintSettings *) action, UnifiedPaintSettings * ups) Line 6077	C
 	blender.exe!sculpt_stroke_update_step(bContext * C, PaintStroke * UNUSED_stroke, PointerRNA * itemptr) Line 7347	C
 	blender.exe!paint_brush_stroke_add_step(bContext * C, wmOperator * op, const float * mouse_in, float pressure) Line 622	C
 	blender.exe!paint_stroke_modal(bContext * C, wmOperator * op, const wmEvent * event) Line 1492	C
 	blender.exe!sculpt_brush_stroke_invoke(bContext * C, wmOperator * op, const wmEvent * event) Line 7482	C
 	blender.exe!wm_operator_invoke(bContext * C, wmOperatorType * ot, wmEvent * event, PointerRNA * properties, ReportList * reports, const bool poll_only, bool use_last_properties) Line 1287	C
 	blender.exe!wm_handler_operator_call(bContext * C, ListBase * handlers, wmEventHandler * handler_base, wmEvent * event, PointerRNA * properties, const unsigned char * kmi_idname) Line 2116	C
 	blender.exe!wm_handlers_do_keymap_with_keymap_handler(bContext * C, wmEvent * event, ListBase * handlers, wmEventHandler_Keymap * handler, wmKeyMap * keymap, const bool do_debug_handler) Line 2426	C
 	blender.exe!wm_handlers_do_intern(bContext * C, wmEvent * event, ListBase * handlers) Line 2727	C
 	blender.exe!wm_handlers_do(bContext * C, wmEvent * event, ListBase * handlers) Line 2857	C
 	blender.exe!wm_event_do_handlers(bContext * C) Line 3360	C
 	blender.exe!WM_main(bContext * C) Line 478	C
 	blender.exe!main(int argc, const unsigned char * * UNUSED_argv_c) Line 534	C
Ankit Meel (ankitm) renamed this task from Dyntopo bug to Crash: sculpting with Dyntopo + clay brush .Jul 17 2020, 8:23 AM