Baking Selected to Active crashes blender when in edit mode. #59360
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Reference: blender/blender#59360
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System Information
Operating system: Ubuntu 18.04
Graphics card: GTX 1080
Blender Version
Broken: 2.80
aca13040da
Worked: 2.79b
This used to a be a thing done to see polygon lines in the UV image editor and track the progress of the bake with the uv lines overlay - Cycles doesn't show the progress per triangle, but baking is still allowed in edit mode and leads to a crash - probably due to the multiediting change?
Added subscriber: @Jasiek
Added subscriber: @JacquesLucke
Could you prepare a simple .blend file that helps us to reproduce the issue, please?
Sure!
BakeBoxSurfaceWeightedNormals.blend
Select the high poly, select the low poly, go into edit mode and hit bake - Blender crashes instantly.
Hm, I can't reproduce it, maybe I'm doing something wrong. Is it possible for you to change the .blend file so that you only have to press Bake to make it crash?
BakeBox_EditModeCrash.blend
Hit TAB twice and then bake and it'll crash - if you just open it when it was saved with both objects selected and in edit mode it will bake out ok and not crash, if you do TAB and TAB again to go out of edit mode into object mode, and into edit mode again and hit bake, it'll crash
I've also recorded a video:
https://www.youtube.com/watch?v=ua4KNyf9ziI
I've been getting the same behaviour since 2,8 first came out - is there some bug log I can send you to help if you can't reproduce it?
ok, I'm doing exactly the same thing you are doing in the video, even in the exact same version and still can't reproduce it.
Waiting for someone else to try it now.
Are you also testing this on Linux?
Running Ubuntu 18.04 with Kernel 4.16.10-041610-generic
Nvidia driver version 396.54
The CPU is an Intel i7-8700K
If it's nothing OS or Hardware specific maybe it's some old setting that's being carried over for me from a previous version?
Here's a crash log:
BakeBoxSurfaceWeightedNormals.crash.txt
And terminal output when I run Blender, leading up to the crash:
BlenderTerminalOutput.txt
Added subscribers: @brecht, @ZedDB
I can reproduce this on
f85b05111f
I get asserts in my debug build:
Backtrace from non debug build:
@brecht should I assign cycles issues to someone else than you?
Added subscriber: @dfelinto
@dfelinto was working on baking recently.
Added subscriber: @Sergey
Hey @Sergey I only get a crash if I build with
WITH_OPENSUBDIV
.And the fact that it only happens if we toggle in/out of editmode raises a few flags that the issue is not on baking necessarily.
Added subscriber: @ideasman42
(and @ideasman42 - unrelated to the crash, but related to how the user is using edit mesh - this is another interesting use-case for having an option to disable multi-object editing, otherwise the HP and LP objects would necessarily be in edit mode, and both their UVs would show in the editor)
Changed status from 'Open' to: 'Resolved'
This was fixed in
e4c78436c6
.