I'm new to this forum but I've been using LuxCore (and Luxrender before that for a long time).
I'm running Ubuntu 20.04 with Nvidia GeForce GTX 1660 and the proprietary nvidia driver version 450.80.02.
I recently noticed that my Blender 2.83.8 crashes with Segmentation fault when cancelling a render of any scene with BlendLuxCore 2.3 but only when INTEL_OIDN denoiser is enabled.
The Segmentation fault occurs when cancelling a running render (by pressing the Esc key) from within Blender.
Here's a code snippet with the log that Blender produces when it crashes:
Code: Select all
[LuxCore][453.983] [PathOCLBaseRenderThread::0] Defined symbols: -D LUXRAYS_OPENCL_KERNEL -D SLG_OPENCL_KERNEL -D RENDER_ENGINE_PATHOCL -D PARAM_RAY_EPSILON_MIN=1.000000e-05f -D PARAM_RAY_EPSILON_MAX=1.000000e-01f -D PARAM_ENABLE_TEX_CONST_FLOAT -D PARAM_ENABLE_TEX_CONST_FLOAT3 -D PARAM_ENABLE_TEX_IMAGEMAP -D PARAM_ENABLE_TEX_SCALE -D PARAM_ENABLE_TEX_MIX -D PARAM_ENABLE_TEX_BAND -D PARAM_ENABLE_TEX_HITPOINTALPHA -D PARAM_ENABLE_TEX_NORMALMAP -D PARAM_ENABLE_TEX_FRESNELCOLOR -D PARAM_ENABLE_TEX_FRESNELCONST -D PARAM_ENABLE_TEX_CLAMP -D PARAM_ENABLE_TEX_HSV -D PARAM_ENABLE_MAT_MATTE -D PARAM_ENABLE_MAT_GLASS -D PARAM_ENABLE_MAT_MIX -D PARAM_ENABLE_MAT_MATTETRANSLUCENT -D PARAM_ENABLE_MAT_GLOSSY2 -D PARAM_ENABLE_MAT_GLOSSY2_INDEX -D PARAM_ENABLE_MAT_METAL2 -D PARAM_ENABLE_MAT_METAL2_ANISOTROPIC -D PARAM_ENABLE_MAT_ROUGHGLASS -D PARAM_ENABLE_MAT_CLEAR_VOL -D PARAM_ENABLE_MAT_HOMOGENEOUS_VOL -D PARAM_ENABLE_MAT_GLOSSYTRANSLUCENT -D PARAM_ENABLE_MAT_GLOSSYTRANSLUCENT_INDEX -D LUXCORE_NVIDIA_OPENCL
[LuxCore][453.983] [PathOCLBaseRenderThread::0] Compiling kernels
[LuxCore][454.001] [PathOCLBaseRenderThread::0] Kernels cached
[LuxCore][454.001] [PathOCLBaseRenderThread::0] Compiling Film_Clear Kernel
[LuxCore][454.001] [PathOCLBaseRenderThread::0] Compiling InitSeed Kernel
[LuxCore][454.001] [PathOCLBaseRenderThread::0] Compiling Init Kernel
[LuxCore][454.001] [PathOCLBaseRenderThread::0] Compiling AdvancePaths_MK_RT_NEXT_VERTEX Kernel
[LuxCore][454.001] [PathOCLBaseRenderThread::0] Compiling AdvancePaths_MK_HIT_NOTHING Kernel
[LuxCore][454.001] [PathOCLBaseRenderThread::0] Compiling AdvancePaths_MK_HIT_OBJECT Kernel
[LuxCore][454.001] [PathOCLBaseRenderThread::0] Compiling AdvancePaths_MK_RT_DL Kernel
[LuxCore][454.001] [PathOCLBaseRenderThread::0] Compiling AdvancePaths_MK_DL_ILLUMINATE Kernel
[LuxCore][454.001] [PathOCLBaseRenderThread::0] Compiling AdvancePaths_MK_DL_SAMPLE_BSDF Kernel
[LuxCore][454.001] [PathOCLBaseRenderThread::0] Compiling AdvancePaths_MK_GENERATE_NEXT_VERTEX_RAY Kernel
[LuxCore][454.001] [PathOCLBaseRenderThread::0] Compiling AdvancePaths_MK_SPLAT_SAMPLE Kernel
[LuxCore][454.001] [PathOCLBaseRenderThread::0] Compiling AdvancePaths_MK_NEXT_SAMPLE Kernel
[LuxCore][454.001] [PathOCLBaseRenderThread::0] Compiling AdvancePaths_MK_GENERATE_CAMERA_RAY Kernel
[LuxCore][454.002] [PathOCLBaseRenderThread::0] Kernels compilation time: 21ms
[LuxCore][454.004] Starting 3 native render threads
Session started in 4.2 s
[LuxCore][454.176] Film OpenCL image pipeline
[LuxCore][454.177] Film OpenCL Device used: GeForce GTX 1660 Intersect
[LuxCore][454.177] Device OpenCL version: OpenCL 1.2 CUDA
[LuxRays][454.347] [Device GeForce GTX 1660 Intersect] IMAGEPIPELINE buffer size: 8748Kbytes
[LuxRays][454.349] [Device GeForce GTX 1660 Intersect] Merge buffer size: 11664Kbytes
[LuxCore][454.349] [MergeSampleBuffersOCL] Defined symbols: -D LUXRAYS_OPENCL_KERNEL -D SLG_OPENCL_KERNEL
[LuxCore][454.349] [MergeSampleBuffersOCL] Compiling kernels
[LuxCore][454.351] [MergeSampleBuffersOCL] Kernels cached
[LuxCore][454.352] [MergeSampleBuffersOCL] Compiling Film_MergeBufferInitialize Kernel
[LuxCore][454.352] [MergeSampleBuffersOCL] Compiling Film_MergeRADIANCE_PER_PIXEL_NORMALIZED Kernel
[LuxCore][454.352] [MergeSampleBuffersOCL] Compiling Film_MergeRADIANCE_PER_SCREEN_NORMALIZED Kernel
[LuxCore][454.352] [MergeSampleBuffersOCL] Compiling Film_MergeBufferFinalize Kernel
[LuxCore][454.352] [MergeSampleBuffersOCL] Kernels compilation time: 2ms
[LuxCore][454.365] [LinearToneMap] Defined symbols:
[LuxCore][454.365] [LinearToneMap] Compiling kernels
[LuxCore][454.367] [LinearToneMap] Kernels cached
[LuxCore][454.367] [LinearToneMap] Compiling LinearToneMap_Apply Kernel
[LuxCore][454.367] [LinearToneMap] Kernels compilation time: 2ms
Refreshing DENOISED
[SDL][460.275] Image pipeline: film.imagepipelines.1
[SDL][460.275] Image pipeline step 0: INTEL_OIDN
[SDL][460.275] Image pipeline step 1: NOP
[SDL][460.275] Image pipeline step 2: TONEMAP_LINEAR
Writing: /tmp/CannelleEtFromage.crash.txt
Segmentation fault
Here's the crash backtrace:
Code: Select all
cat /tmp/CannelleEtFromage.crash.txt
# Blender 2.83.8, Commit date: 2020-10-21 08:12, Hash 5949b796f002
bpy.context.space_data.context = 'RENDER' # Property
bpy.context.scene.luxcore.denoiser.type = 'BCD' # Property
bpy.context.scene.luxcore.denoiser.type = 'OIDN' # Property
# backtrace
/opt/blender/blender(BLI_system_backtrace+0x1d) [0x6989e5d]
/opt/blender/blender() [0xc15ae2]
/lib/x86_64-linux-gnu/libc.so.6(+0x46210) [0x7f3a170bd210]
/opt/blender/blender(free+0x2da) [0xef7fca]
/home/cleaver/.config/blender/2.83/scripts/addons/BlendLuxCore/bin/libOpenImageDenoise.so.0(+0x13acec) [0x7f39e12c0cec]
/home/cleaver/.config/blender/2.83/scripts/addons/BlendLuxCore/bin/libOpenImageDenoise.so.0(+0x13a92d) [0x7f39e12c092d]
/home/cleaver/.config/blender/2.83/scripts/addons/BlendLuxCore/bin/libOpenImageDenoise.so.0(+0x1386c7) [0x7f39e12be6c7]
/home/cleaver/.config/blender/2.83/scripts/addons/BlendLuxCore/bin/libOpenImageDenoise.so.0(+0x397f29) [0x7f39e151df29]
/home/cleaver/.config/blender/2.83/scripts/addons/BlendLuxCore/bin/libOpenImageDenoise.so.0(_ZN6mkldnn4impl3cpu2tr8kernel_t6createERKNS3_6desc_tE+0x27) [0x7f39e1519217]
/home/cleaver/.config/blender/2.83/scripts/addons/BlendLuxCore/bin/libOpenImageDenoise.so.0(+0x397e3c) [0x7f39e151de3c]
/home/cleaver/.config/blender/2.83/scripts/addons/BlendLuxCore/bin/libOpenImageDenoise.so.0(+0xe035c) [0x7f39e126635c]
/home/cleaver/.config/blender/2.83/scripts/addons/BlendLuxCore/bin/libOpenImageDenoise.so.0(_ZN4oidn7NetworkILi8EE7addConvERKSsRKSt10shared_ptrIN6mkldnn6memoryEES9_b+0x9f1) [0x7f39e1262591]
/home/cleaver/.config/blender/2.83/scripts/addons/BlendLuxCore/bin/libOpenImageDenoise.so.0(_ZN4oidn17AutoencoderFilter8buildNetILi8EEESt10shared_ptrINS_10ExecutableEEv+0x1259) [0x7f39e12839b9]
/home/cleaver/.config/blender/2.83/scripts/addons/BlendLuxCore/bin/libOpenImageDenoise.so.0(+0x109c74) [0x7f39e128fc74]
/home/cleaver/.config/blender/2.83/scripts/addons/BlendLuxCore/bin/libtbb.so.2(_ZNK3tbb10interface78internal15task_arena_base16internal_executeERNS1_13delegate_baseE+0x59a) [0x7f39e0f4f04a]
/home/cleaver/.config/blender/2.83/scripts/addons/BlendLuxCore/bin/libOpenImageDenoise.so.0(_ZN4oidn17AutoencoderFilter6commitEv+0x54) [0x7f39e1277cf4]
/home/cleaver/.config/blender/2.83/scripts/addons/BlendLuxCore/bin/libOpenImageDenoise.so.0(oidnCommitFilter+0x42) [0x7f39e1250d72]
/home/cleaver/.config/blender/2.83/scripts/addons/BlendLuxCore/bin/pyluxcore.so(_ZN3slg9IntelOIDN5ApplyERNS_4FilmEj+0x30f) [0x7f39e6a817ef]
/home/cleaver/.config/blender/2.83/scripts/addons/BlendLuxCore/bin/pyluxcore.so(_ZN3slg13ImagePipeline5ApplyERNS_4FilmEj+0x163) [0x7f39e69f6813]
/home/cleaver/.config/blender/2.83/scripts/addons/BlendLuxCore/bin/pyluxcore.so(_ZN3slg4Film30ExecuteImagePipelineThreadImplEj+0x2e) [0x7f39e696be8e]
/home/cleaver/.config/blender/2.83/scripts/addons/BlendLuxCore/bin/pyluxcore.so(+0x180edcd) [0x7f39e7826dcd]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x9609) [0x7f3a177b9609]
/lib/x86_64-linux-gnu/libc.so.6(clone+0x43) [0x7f3a17199293]
I am able to reproduce the crash every time with different scenes (e.g. the example Cannelle & Fromage scene, but not only) with OIDN enabled.
Thanks for your support!
Github issue submitted as well.