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Extremely often crashes with EVEE/shaderToColor/Emissive
Open, Needs Triage by DeveloperPublic


2.80 (sub 46), 1df6a98b176f, 2019-03-05 00:32
Nvidia GT 640
Xeon 5450 3Ghz

How to reproduce:
Enable Rendered mode in top right area,
Create and add some nodes between color Ramp and Linear light (invert, mathnode 4 example). Cut them, add again…
Crashes are not always, but very often.

It happens often if I work with such NPR-shaders and render turned on.
IMO fast changes inside shader cause such crashes.



Event Timeline

Vyacheslav (hitrpr) updated the task description. (Show Details)
Sebastian Parborg (zeddb) triaged this task as Needs Information from User priority.Mar 6 2019, 10:30 AM

I can not reproduce this. Does this happen with software rendering?
Download this dll and copy it so its located in the same directory as 'blender.exe' and run Blender normally.

Also make sure you are running the latest nvidia drivers.

@Sebastian Parborg (zeddb) With this library inside folder Blender do not start at all.
Also my system dir includes such library already.
I refreshed drivers. May be it'll help

Are you using 32bit windows?

No, my win is x64

After renewing drivers crashes are more rare but same sympthoms: when rendered view on (no matter evee or cycles) and something inside shader changes.
How can i collect more info about crashes? logs? memory dumps?

Sebastian Parborg (zeddb) raised the priority of this task from Needs Information from User to Needs Triage by Developer.Mar 11 2019, 12:07 PM

@Vyacheslav (hitrpr) Did you said this crash happen with Cycles rendered view? even if Cycles does not support shader to rgb node.

If that happens only in eevee it's probably a driver crash due to the shader compilation system.

@Clément Foucault (fclem) I mean crashes appear in similar situations: when render is on and shader is compiling.
Not only with this particular shader.

I will check 2.79, if it crashes or not. Just to compare.