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Blender VSE with a Scene Strip and Compositor Crash
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Description

System Information
Operating system: Linux-5.2.0-2-amd64-x86_64-with-debian-bullseye-sid 64 Bits
Graphics card: GeForce GTX 950/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 430.50

Blender Version
Broken: version: 2.80 (sub 75), branch: master, commit date: 2019-07-29 14:47, hash: rBf6cb5f54494e
Worked: (optional)

Short description of error
Blender VSE with a Scene Strip and Compositor Crash.

Exact steps for others to reproduce the error
Please see the Video below as it's a bit complicated.

  • Although, Before changing the Scene from dummy to scene if we check the "use node"
  • and then save the blend file
  • and reopen it.
  • Then changing it from dummy to scene works.

This is currently the only way to playback compositor through VSE.

Details

Type
Bug

Event Timeline

Fahad Hasan (cgvirus) updated the task description. (Show Details)

The backtrace if useful:

# Blender 2.80 (sub 75), Commit date: 2019-07-29 14:47, Hash f6cb5f54494e
bpy.ops.scene.new(type='NEW')  # Operator
bpy.ops.sequencer.scene_strip_add(frame_start=1, channel=2, scene='Scene.001')  # Operator
bpy.context.area.ui_type = 'ShaderNodeTree'  # Property
bpy.context.scene.use_nodes = True  # Property
bpy.context.scene.render.sequencer_gl_preview = 'RENDERED'  # Property
bpy.ops.node.select(mouse_x=1198, mouse_y=123, extend=False, deselect_all=True)  # Operator

# backtrace
/home/production/Apps/Graphic_Apps/Blender_2.8/blender(BLI_system_backtrace+0x1d) [0x1369c1d]
/home/production/Apps/Graphic_Apps/Blender_2.8/blender() [0x1153279]
/lib/x86_64-linux-gnu/libc.so.6(+0x3a100) [0x7f3c79145100]
/home/production/Apps/Graphic_Apps/Blender_2.8/blender(AUD_SequenceEntry_setAnimationData+0x7) [0x41dd3b7]
/home/production/Apps/Graphic_Apps/Blender_2.8/blender(BKE_sound_set_scene_sound_volume+0x20) [0x12af480]
/home/production/Apps/Graphic_Apps/Blender_2.8/blender(BKE_scene_eval_sequencer_sequences+0xa7) [0x127a987]
/home/production/Apps/Graphic_Apps/Blender_2.8/blender() [0x13868dc]
/home/production/Apps/Graphic_Apps/Blender_2.8/blender(BLI_task_pool_work_and_wait+0x159) [0x136ab79]
/home/production/Apps/Graphic_Apps/Blender_2.8/blender(_ZN3DEG23deg_evaluate_on_refreshEPNS_9DepsgraphE+0x19b) [0x1386b4b]
/home/production/Apps/Graphic_Apps/Blender_2.8/blender() [0x1277ef3]
/home/production/Apps/Graphic_Apps/Blender_2.8/blender(wm_event_do_depsgraph+0xc3) [0x1518b83]
/home/production/Apps/Graphic_Apps/Blender_2.8/blender(wm_event_do_refresh_wm_and_depsgraph+0x87) [0x1518ce7]
/home/production/Apps/Graphic_Apps/Blender_2.8/blender(wm_event_do_notifiers+0x472) [0x151e5b2]
/home/production/Apps/Graphic_Apps/Blender_2.8/blender(WM_main+0x28) [0x1514c28]
/home/production/Apps/Graphic_Apps/Blender_2.8/blender(main+0x2fe) [0x10c0abe]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xeb) [0x7f3c79131bbb]
/home/production/Apps/Graphic_Apps/Blender_2.8/blender() [0x114fb9c]