Crash after duplicating and hiding vertices while using X Axis Mirror #80224

New Issue

Dario Abatianni · 2020-08-29T18:07:13+02:00

Dario Abatianni commented

2020-08-29 18:07:13 +02:00

System Information
Operating system: Linux-5.2.14-1-default-x86_64-with-glibc2.17 64 Bits
Graphics card: GeForce GTX 1660 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 435.21

Blender Version
Broken: version: 2.91.0 Alpha, branch: master, commit date: 2020-08-28 21:41, hash: 141a3e6d47
Worked: blender-2.90.0-9f5cc128d955-linux64 hash: 9f5cc128d9
Broken since at least: blender-2.90.0-62aa103d485f-linux64 62aa103d48

Short description of error

Crash when moving a vertex after duplicating and hiding a mesh with X axis mirror enabled

Exact steps for others to reproduce the error

Open a new Blender default scene
Tab into edit mode
Switch to vertex select
Select all vertices (a)
Click X in the mirror settings at the top right (Mesh.use_mirror_x)
Duplicate the vertices (shift+d)
Cancel movement (right mouse button)
Hide the duplicate mesh (h)
Select the bottom-left-back vertex in the cube
Grab vertex (g)
Move mouse
CRASH

Steps shown in the attached video file:
capture-2020-08-29_17.35.08.mp4

**System Information** Operating system: Linux-5.2.14-1-default-x86_64-with-glibc2.17 64 Bits Graphics card: GeForce GTX 1660 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 435.21 **Blender Version** Broken: version: 2.91.0 Alpha, branch: master, commit date: 2020-08-28 21:41, hash: `141a3e6d47` Worked: blender-2.90.0-9f5cc128d955-linux64 hash: `9f5cc128d9` Broken since at least: blender-2.90.0-62aa103d485f-linux64 `62aa103d48` **Short description of error** Crash when moving a vertex after duplicating and hiding a mesh with X axis mirror enabled **Exact steps for others to reproduce the error** - Open a new Blender default scene - Tab into edit mode - Switch to vertex select - Select all vertices (a) - Click X in the mirror settings at the top right (Mesh.use_mirror_x) - Duplicate the vertices (shift+d) - Cancel movement (right mouse button) - Hide the duplicate mesh (h) - Select the bottom-left-back vertex in the cube - Grab vertex (g) - Move mouse - ***CRASH*** Steps shown in the attached video file: [capture-2020-08-29_17.35.08.mp4](https://archive.blender.org/developer/F8819212/capture-2020-08-29_17.35.08.mp4)

Dario Abatianni commented

2020-08-29 18:07:13 +02:00

Added subscriber: @Eisfuchs