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Crash on Remesh modifier with 'Display in Edit Mode'
Open, Confirmed, MediumPublic


System Information
Operating system: Windows-7-6.1.7601-SP1 64 Bits
Graphics card: GeForce GTX 1050 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 431.60

Blender Version
Broken: version: 2.81 (sub 2), branch: master, commit date: 2019-08-19 19:05, hash: rB74d05eb71a0d
Worked: (optional)

Short description of error
Blender crashes if you turn on 'Display in Edit mode' in Remesh modifier and attempt to enter Edit mode

Exact steps for others to reproduce the error

  1. Add Remesh modifier on an object
  2. Turn on 'Display in Edit mode' option
  3. Enter Edit mode



Event Timeline

Can confirm this happens on:
Operating system: Darwin-18.0.0-x86_64-i386-64bit 64 Bits
Graphics card: Intel HD Graphics 4000 OpenGL Engine Intel Inc. 4.1 INTEL-12.0.34
Broken: version: 2.81 (sub 2), branch: master, commit date: 2019-08-19 19:05, hash: rB74d05eb71a0d

It only seems to happen when a UV-Editor window is opened, closing the one that's opened in the file above fixed it for me.
There are also no problems when I open the file in 2.80 stable.

Philipp Oeser (lichtwerk) triaged this task as Confirmed, Medium priority.

For this case, CustomData_get_layer_name(cd_ldata, CD_MLOOPUV, i) apparently cannot get a layer_name...
@Clément Foucault (fclem) might be interested?

1  __strlen_avx2                                                        0x7ffff1c0b2b5 
2  GPU_vertformat_safe_attrib_name       gpu_vertex_format.c       243  0x711211d      
3  extract_uv_init                       draw_cache_extract_mesh.c 1576 0x2ccca9a      
4  extract_task_create                   draw_cache_extract_mesh.c 4115 0x2cdf7ff      
5  mesh_buffer_cache_create_requested    draw_cache_extract_mesh.c 4250 0x2ce23b0      
6  DRW_mesh_batch_cache_create_requested draw_cache_impl_mesh.c    1302 0x2ca3d79      
7  uvedit_get_batches                    uvedit_draw.c             200  0x701ab17      
8  draw_uvs                              uvedit_draw.c             303  0x701af92      
9  ED_uvedit_draw_main                   uvedit_draw.c             500  0x701b9a3      
10 image_main_region_draw                space_image.c             619  0x30e5175      
11 ED_region_do_draw                     area.c                    535  0x31e5661      
12 wm_draw_window_offscreen              wm_draw.c                 621  0x26f6633      
13 wm_draw_window                        wm_draw.c                 757  0x26f6bb2      
14 wm_draw_update                        wm_draw.c                 939  0x26f717e      
15 WM_main                               wm.c                      423  0x26f3169      
16 main                                  creator.c                 491  0x20a9376