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Maniphest T77683

Crash when trying to bake texture
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Description

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: rB9f7d84b656fb
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.blend123 KBDownload

Open attached file. Press bake.

blender_debug_output.txt3 KBDownload

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.

Revisions and Commits

rC Cycles
D8593rC142dfcdfb748 Fix T77683: Cycles baking crash with motion blur enabled and no camera specified
rB Blender
D8593rB1012569dfa34 Fix T77683: Cycles baking crash with motion blur enabled and no camera
D8593rBe157573fab2a Fix T77683: Cycles baking crash with motion blur enabled and no camera

Related Objects

Event Timeline

Marcin Twarowski (Tvaroog) created this task.Jun 9 2020, 2:25 PM
Marcin Twarowski (Tvaroog) updated the task description. (Show Details)
Marcin Twarowski (Tvaroog) updated the task description. (Show Details)Jun 9 2020, 2:54 PM
Germano Cavalcante (mano-wii) changed the task status from Needs Triage to Confirmed.Jun 10 2020, 7:47 PM
Germano Cavalcante (mano-wii) changed the subtype of this task from "Report" to "Bug".
Germano Cavalcante (mano-wii) added a project: Render & Cycles.
Germano Cavalcante (mano-wii) added a subscriber: Germano Cavalcante (mano-wii).
Martin (Strandbummler) added a subscriber: Martin (Strandbummler).EditedAug 5 2020, 2:09 PM

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.blend7 MBDownload
.

Philipp Oeser (lichtwerk) added a revision: D8593: Fix T77683: Cycles baking crash with motion blur enabled and no camera specified.Aug 17 2020, 2:21 PM
Philipp Oeser (lichtwerk) closed this task as Resolved by committing rBe157573fab2a: Fix T77683: Cycles baking crash with motion blur enabled and no camera.Aug 17 2020, 9:11 PM
Philipp Oeser (lichtwerk) claimed this task.
Philipp Oeser (lichtwerk) added a commit: rBe157573fab2a: Fix T77683: Cycles baking crash with motion blur enabled and no camera.
Jeroen Bakker (jbakker) mentioned this in T77348: Blender LTS: Maintenance Task.Aug 26 2020, 10:06 AM
Jeroen Bakker (jbakker) added a commit: rB1012569dfa34: Fix T77683: Cycles baking crash with motion blur enabled and no camera.Aug 26 2020, 12:03 PM
Brecht Van Lommel (brecht) added a commit: rC142dfcdfb748: Fix T77683: Cycles baking crash with motion blur enabled and no camera specified.Sep 1 2020, 1:58 AM