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Crash on undo (possible due broken workspace)
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Description

System Information
Operating system: Windows-8.1-6.3.9600 64 Bits
Graphics card: GeForce GT 730/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 388.71

Blender Version
Broken: version: 2.81 (sub 8), branch: master, commit date: 2019-09-04 21:17, hash: rBbaaa89a0bc54

Short description of error
Blender crash every time I use undo in object mode on this scene. Crashes are most likely caused by broken workspace (even if this workspace isn't active)

Exact steps for others to reproduce the error

  1. Open file (with "Load UI" checked)
  2. Select any object.
  3. Move, scale, rotate or add modifier
  4. Press undo (ctrl+z) and blender will crash

Debug log says
Error : EXCEPTION_ACCESS_VIOLATION
Address : 0x00007FF74B732B18

After deleting "Quads" workspace it will no longer crash on undo.

Details

Type
Bug

Related Objects

Event Timeline

Cirno (Cirno) updated the task description. (Show Details)
Cirno (Cirno) updated the task description. (Show Details)Thu, Sep 5, 6:41 AM
Cirno (Cirno) updated the task description. (Show Details)Thu, Sep 5, 6:57 AM
Cirno (Cirno) renamed this task from Crash on undo (2.81) to Crash on undo (possible due broken workspace).
Dalai Felinto (dfelinto) triaged this task as Needs Information from User priority.

Thanks for the report. I can confirm this but I need some more information from you.

  1. When was this file created? (which Blender version you used originally for it, approximately).
  2. Can you reproduce it from scratch from a the latest 2.80 (blender.org/download) or a recent night build? (builder.blender.org)?

Crash:

Thread 1 "blender" received signal SIGSEGV, Segmentation fault.
0x00005555560e505f in lib_link_workspace_layout_restore (id_map=0x7fffd22ef808, newmain=0x7fffdb7d4808, layout=0x7fffdb6b1d48)
    at //source/blender/blenloader/intern/readfile.c:7922
7922        for (ScrArea *sa = screen->areabase.first; sa; sa = sa->next) {

Full backtrace: P1106