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Cycles node setup crash blender.
Closed, ResolvedPublic


System Information
*windows 7 pro 64 bit , GTX 580

Blender Version
Broken: Blender 2.69 r60995
Worked: Blender 2.XX rXXXXXX

Short description of error
My cycles node setup crash blender.

Exact steps for others to reproduce the error
Open attached file,select 'head.C.Render',navigate to materials panel in properties panel,blender crash.

Event Timeline

Harrison Yu (harrisyu) set Type to Bug.
Harrison Yu (harrisyu) created this task.
Harrison Yu (harrisyu) raised the priority of this task from to Needs Triage by Developer.
Sergey Sharybin (sergey) triaged this task as Needs Information from User priority.

Don;t see the file here. Mind uploading it? :)

This the file to test this bug.

Sergey Sharybin (sergey) raised the priority of this task from Needs Information from User to Confirmed, Medium.

Can see 'Out of SVM stack space.' messages on the console.

@Brecht Van Lommel (brecht), leaving this one to you.

That mouth.uvswitch.c node group is kind of crazy and crosses a limitation of our shading system, which exists because of GPU rendering limitations. We should fix the crash but I'm not sure how easy it will be to make this setup actually work.

There must be a simpler way to create this setup with much fewer nodes, and automatically adapting to a given number of tiles in some image?

Thanks Brecht, Now I know is because of the limit, I will try to simplified it.
But it would be good if there is a warning.