Bake from Multires on Displacement mode exits Blender when Preview level is on 0 #37486

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Mickaël Guédon · 2013-11-16T09:18:06+01:00

Mickaël Guédon commented

2013-11-16 09:18:06 +01:00

System Information
Ubuntu 13.04 / NV 580 3GB with proprietary driver

Blender Version
Broken: Blender 2.6X r61240 (today's Buildbot)
Worked: Blender 2.69 r60991 (last stable)

Short description of error
Bake from Multires on Displacement mode exits Blender when Preview level is on 0. I want to make a point here : when I said "exits" it really exits with no error code, no "crash".

Exact steps for others to reproduce the error
I made the simplest possible test. New file, UV Unwrap the default cube, add a Multires modifier, subdivide to 4, use the Sculpt Mode to do what you want, then set the Preview setting to 0. Assign a new empty Image to it in the UV/Image Editor. Go to Render context, Bake panel, set the mode to Displacement, enable Bake from Multires tick, hit the Bake button and here it goes : EXIT.

Test file
multiresbakeBUG.blend

**System Information** Ubuntu 13.04 / NV 580 3GB with proprietary driver **Blender Version** Broken: Blender 2.6X r61240 (today's Buildbot) Worked: Blender 2.69 r60991 (last stable) **Short description of error** Bake from Multires on Displacement mode exits Blender when Preview level is on 0. I want to make a point here : when I said "exits" it really exits with no error code, no "crash". **Exact steps for others to reproduce the error** I made the simplest possible test. New file, UV Unwrap the default cube, add a Multires modifier, subdivide to 4, use the Sculpt Mode to do what you want, then set the Preview setting to 0. Assign a new empty Image to it in the UV/Image Editor. Go to Render context, Bake panel, set the mode to Displacement, enable Bake from Multires tick, hit the Bake button and here it goes : EXIT. **Test file** [multiresbakeBUG.blend](https://archive.blender.org/developer/F27917/multiresbakeBUG.blend)

Mickaël Guédon commented

2013-11-16 09:18:06 +01:00

Changed status to: 'Open'

Mickaël Guédon commented

2013-11-16 09:18:06 +01:00

Added subscriber: @MickaelGuedon

Sergey Sharybin was assigned by Brecht Van Lommel

2013-11-16 17:16:02 +01:00

Brecht Van Lommel commented

2013-11-16 17:16:02 +01:00

Added subscriber: @brecht

Brecht Van Lommel commented

2013-11-16 17:16:02 +01:00

Confirmed, seems to be division by zero, assigning to sergey.

Crashed Thread:  20

Exception Type:  EXC_ARITHMETIC (SIGFPE)
Exception Codes: EXC_I386_DIV (divide by zero)

Thread 20 Crashed:

0 org.blenderfoundation.blender 0x000000010be8fdad get_ccgdm_data + 141
1 org.blenderfoundation.blender 0x000000010be8ea4f apply_heights_callback + 399
2 org.blenderfoundation.blender 0x000000010be90822 flush_pixel + 818
3 org.blenderfoundation.blender 0x000000010be90bd5 rasterize_half + 469
4 org.blenderfoundation.blender 0x000000010be903c5 do_multires_bake_thread + 837
5 libsystem_c.dylib 0x00007fff86db57a2 _pthread_start + 327
6 libsystem_c.dylib 0x00007fff86da21e1 thread_start + 13

Confirmed, seems to be division by zero, assigning to sergey. ``` Crashed Thread: 20 Exception Type: EXC_ARITHMETIC (SIGFPE) Exception Codes: EXC_I386_DIV (divide by zero) Thread 20 Crashed: ``` 0 org.blenderfoundation.blender 0x000000010be8fdad get_ccgdm_data + 141 1 org.blenderfoundation.blender 0x000000010be8ea4f apply_heights_callback + 399 2 org.blenderfoundation.blender 0x000000010be90822 flush_pixel + 818 3 org.blenderfoundation.blender 0x000000010be90bd5 rasterize_half + 469 4 org.blenderfoundation.blender 0x000000010be903c5 do_multires_bake_thread + 837 5 libsystem_c.dylib 0x00007fff86db57a2 _pthread_start + 327 6 libsystem_c.dylib 0x00007fff86da21e1 thread_start + 13 ``` ```

blender-admin commented

2013-11-18 08:09:10 +01:00

This issue was referenced by blender/blender-addons-contrib@8b3524c215

This issue was referenced by blender/blender-addons-contrib@8b3524c215fc8ab2a020d1914742a8fe576d8fae

blender-admin commented

2013-11-18 08:09:10 +01:00

This issue was referenced by 8b3524c215

This issue was referenced by 8b3524c215fc8ab2a020d1914742a8fe576d8fae

Sergey Sharybin commented

2013-11-18 08:09:29 +01:00

Changed status from 'Open' to: 'Resolved'

Sergey Sharybin closed this issue