Crash when trying to bake texture #77683

New Issue

System Information
Operating system: Windows-10-10.0.16299-SP0 64 Bits
Graphics card: GeForce GTX 1080/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 431.86

Blender Version
Broken: version: 2.90.0 Alpha, branch: master, commit date: 2020-06-08 15:55, hash: 9f7d84b656
2.83.0

Short description of error
In the attached file there's a fragment of a mesh from my project. When I try to bake a texture using that mesh it immediately crashes Blender. If you uncheck "motion blur", it will perform a bake but color will not bake properly. I can't reproduce with a new object.

Exact steps for others to reproduce the error
bake_texture_crash.blend
Open attached file. Press bake.

blender_debug_output.txt

I noticed that smooth shading is incorrect in 2.90 but only in edit mode:

Perhaps something went wrong when object from earlier version was opened in 2.90.

**System Information** Operating system: Windows-10-10.0.16299-SP0 64 Bits Graphics card: GeForce GTX 1080/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 431.86 **Blender Version** Broken: version: 2.90.0 Alpha, branch: master, commit date: 2020-06-08 15:55, hash: `9f7d84b656` 2.83.0 **Short description of error** In the attached file there's a fragment of a mesh from my project. When I try to bake a texture using that mesh it immediately crashes Blender. If you uncheck "motion blur", it will perform a bake but color will not bake properly. I can't reproduce with a new object. **Exact steps for others to reproduce the error** [bake_texture_crash.blend](https://archive.blender.org/developer/F8603840/bake_texture_crash.blend) Open attached file. Press bake. [blender_debug_output.txt](https://archive.blender.org/developer/F8603842/blender_debug_output.txt) I noticed that smooth shading is incorrect in 2.90 but only in edit mode: ![obraz.png](https://archive.blender.org/developer/F8603886/obraz.png) Perhaps something went wrong when object from earlier version was opened in 2.90.

Added subscriber: @MarcinTwarowski

Changed status from 'Needs Triage' to: 'Confirmed'

Added subscriber: @mano-wii

Added subscriber: @Maddin

I like to jump in here, baking in 2.83.3 and 2.90 beta does not work and results in an immediate crash if no camera object is present. It is the same in the latest Windows 10 or MacOS 10.15.4. As soon as i open the same file in 2.82. it bakes without a hitch even without a camera. File attached bake test.blend.

I like to jump in here, baking in 2.83.3 and 2.90 beta does not work and results in an immediate crash if no camera object is present. It is the same in the latest Windows 10 or MacOS 10.15.4. As soon as i open the same file in 2.82. it bakes without a hitch even without a camera. File attached [bake test.blend](https://archive.blender.org/developer/F8748279/bake_test.blend).

This issue was referenced by blender/cycles@142dfcdfb7

This issue was referenced by blender/cycles@142dfcdfb7480b129871d9137362a6ef5db1a7ec

This issue was referenced by 1012569dfa

This issue was referenced by 1012569dfa34af159a7b8262699e3e4fdcc07085

This issue was referenced by e157573fab

This issue was referenced by e157573fab2ad818b20ed869279004ebcf5670f9

Changed status from 'Confirmed' to: 'Resolved'

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Crash when trying to bake texture #77683