Make Line Tool Crashes Blender When Object Has Subdivision Surface Modifier #110601

New Issue

Omar · 2023-07-29T02:21:39+02:00

Omar commented

2023-07-29 02:21:39 +02:00

System Information
Operating system: Linux-5.19.0-43-generic-x86_64-with-glibc2.35 64 Bits, X11 UI
Graphics card: NVIDIA GeForce RTX 2060/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 515.105.01

Blender Version
Broken: version: 3.6.1, branch: blender-v3.6-release, commit date: 2023-07-17 12:50, hash: 8bda729ef4dc
Worked:

Short description of error
Trying to use the Make Line tool on an object that has subsurface modifier will crash blender.

Exact steps for others to reproduce the error

Enable "Snap_Utilities_Line" built-in add-on.
Open provided file.
Left click in the 3d viewport.
An error will pop.
Multiple clicks or a few seconds later, blender crashes.

**System Information** Operating system: Linux-5.19.0-43-generic-x86_64-with-glibc2.35 64 Bits, X11 UI Graphics card: NVIDIA GeForce RTX 2060/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 515.105.01 **Blender Version** Broken: version: 3.6.1, branch: blender-v3.6-release, commit date: 2023-07-17 12:50, hash: `8bda729ef4dc` Worked: **Short description of error** Trying to use the Make Line tool on an object that has subsurface modifier will crash blender. **Exact steps for others to reproduce the error** - Enable "Snap_Utilities_Line" built-in add-on. - Open provided file. - Left click in the 3d viewport. - An error will pop. - Multiple clicks or a few seconds later, blender crashes.

MakeLineCrash.blend

106 KiB

Omar added the

labels 2023-07-29 02:21:40 +02:00

YimingWu commented

2023-07-29 15:11:57 +02:00

Can confirm the crash. Looks like the same thing as #81625. Likely crashed due to some GPU buffer issue.

Error: Python: Traceback (most recent call last):
  File "/home/yiming/Documents/Sources/BlenderMain/build_linux/bin/4.0/scripts/addons/mesh_snap_utilities_line/op_line.py", line 300, in modal
    self.snap_obj, self.prevloc, self.location, self.type, self.bm, self.geom, self.len = snap_utilities(
  File "/home/yiming/Documents/Sources/BlenderMain/build_linux/bin/4.0/scripts/addons/mesh_snap_utilities_line/common_utilities.py", line 180, in snap_utilities
    snp_obj, loc, elem, elem_co, view_vector, orig, bm, bm_geom = get_snap_bm_geom(
  File "/home/yiming/Documents/Sources/BlenderMain/build_linux/bin/4.0/scripts/addons/mesh_snap_utilities_line/common_utilities.py", line 92, in get_snap_bm_geom
    r_snp_obj, r_loc, r_elem, r_elem_co = sctx.snap_get(mcursor, main_snap_obj)
  File "/home/yiming/Documents/Sources/BlenderMain/build_linux/bin/4.0/scripts/addons/mesh_snap_utilities_line/snap_context_l/__init__.py", line 451, in snap_get
    snap_obj.data.append(GPU_Indices_Mesh(self.depsgraph, obj, draw_face, draw_edge, draw_vert))
  File "/home/yiming/Documents/Sources/BlenderMain/build_linux/bin/4.0/scripts/addons/mesh_snap_utilities_line/snap_context_l/mesh_drawing.py", line 362, in __init__
    ebo = gpu.types.GPUIndexBuf(type="POINTS", seq=self.looseverts)
ValueError: Each index must be an 4-bytes integer value

Can confirm the crash. Looks like the same thing as #81625. Likely crashed due to some GPU buffer issue. ``` Error: Python: Traceback (most recent call last): File "/home/yiming/Documents/Sources/BlenderMain/build_linux/bin/4.0/scripts/addons/mesh_snap_utilities_line/op_line.py", line 300, in modal self.snap_obj, self.prevloc, self.location, self.type, self.bm, self.geom, self.len = snap_utilities( File "/home/yiming/Documents/Sources/BlenderMain/build_linux/bin/4.0/scripts/addons/mesh_snap_utilities_line/common_utilities.py", line 180, in snap_utilities snp_obj, loc, elem, elem_co, view_vector, orig, bm, bm_geom = get_snap_bm_geom( File "/home/yiming/Documents/Sources/BlenderMain/build_linux/bin/4.0/scripts/addons/mesh_snap_utilities_line/common_utilities.py", line 92, in get_snap_bm_geom r_snp_obj, r_loc, r_elem, r_elem_co = sctx.snap_get(mcursor, main_snap_obj) File "/home/yiming/Documents/Sources/BlenderMain/build_linux/bin/4.0/scripts/addons/mesh_snap_utilities_line/snap_context_l/__init__.py", line 451, in snap_get snap_obj.data.append(GPU_Indices_Mesh(self.depsgraph, obj, draw_face, draw_edge, draw_vert)) File "/home/yiming/Documents/Sources/BlenderMain/build_linux/bin/4.0/scripts/addons/mesh_snap_utilities_line/snap_context_l/mesh_drawing.py", line 362, in __init__ ebo = gpu.types.GPUIndexBuf(type="POINTS", seq=self.looseverts) ValueError: Each index must be an 4-bytes integer value ```

YimingWu commented

2023-07-29 15:12:30 +02:00

@mano-wii ^^

YimingWu added

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Make Line Tool Crashes Blender When Object Has Subdivision Surface Modifier #110601