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Freestyle causes crash on render
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Description

Rendering overlapping nurbs spheres with freestyle causes a crash.

I render frame 21, and get this message then blender crashes
Warning: edge 2706 - 2738 appears twice, correcting
Warning: edge 2738 - 2706 appears twice, correcting

See blend file here:
https://www.dropbox.com/s/f70tcadtz3w3nkp/render.crash.zip?dl=0

Blender 2.74 (sub 0) System Information

Blender:

version 2.74 (sub 0), branch b'master', commit date b'2015-03-31' b'13:39', hash b'000dfc0', b'Release'
build date: b'2015-03-31', b'14:55:13'
platform: b'Linux:64bit'
binary path: '/home/alewis/blender/blender-2.74-linux-glibc211-x86_64/blender'
build cflags: b'-DWITH_FREESTYLE -pipe -fPIC -funsigned-char -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE -fopenmp -DNDEBUG -O2 -msse -msse2 -DWITH_MOD_FLUID -DWITH_MOD_OCEANSIM -DLITTLE_ENDIAN -DWITH_AUDASPACE -DWITH_AVI -DWITH_OPENNL -DHAVE_STDBOOL_H'
build cxxflags: b'-pipe -fPIC -funsigned-char -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE -fopenmp -fpermissive -DSTDC_CONSTANT_MACROS -DNDEBUG -O2 -msse -msse2 -DWITH_MOD_FLUID -DWITH_MOD_OCEANSIM -DLITTLE_ENDIAN__ -DWITH_AUDASPACE -DWITH_AVI -DWITH_OPENNL -DHAVE_STDBOOL_H'
build linkflags: b'-lrt'
build system: b'SCons'

Python:

version: 3.4.2 (default, Nov 24 2014, 15:22:10)
[GCC 4.7.1]

FFmpeg:

'avcodec':' ''55, 39, 101'
'avdevice':' ''55, 5, 100'
'avformat':' ''55, 19, 104'
'avutil':' ''52, 48, 101'
'swscale':' '' 2, 5, 101'

SDL

Version: Unknown
Loading method: dynamically loaded by Blender (WITH_SDL_DYNLOAD=ON)

WARNING: Blender could not load SDL library

Other Libraries:

OpenColorIO: 1, 0, 9
OpenImageIO: 1, 4, 16
OpenShadingLanguage: 1, 5, 11

OpenGL

renderer: 'GeForce GT 650M/PCIe/SSE2'
vendor: 'NVIDIA Corporation'
version: '4.4.0 NVIDIA 331.113'

Cycles

CPU device capabilities: SSE2 SSE3 SSE41 AVX

CUDA device capabilities:
Error initializing CUDA: Unknown error

Event Timeline

Andre Lewis (mrmowgli) updated the task description. (Show Details)
Andre Lewis (mrmowgli) raised the priority of this task from to Needs Triage by Developer.
Andre Lewis (mrmowgli) set Type to Bug.

@Andre Lewis (mrmowgli), next time please attach system info as a file, not inline into a report text. It'll help keeping readability of the report :)

@Tamito Kajiyama (kjym3), same crash happens in 2.73a actually. But not sure, is it caused by some mesh created by freestyle itself or it's an issue somewhere else?

Sergey Sharybin (sergey) triaged this task as Normal priority.Apr 2 2015, 11:19 AM

Converting the nurbs to meshes allows me to render to frame 71, where it appears to crash again, however this time it could be cache in EXR. Possibly a different bug, but still a crash.