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Crash while modifying shader nodes
Closed, ResolvedPublicBUG

Description

System Information
Operating system: Windows 10 v 2004 (OS Build 19041.329)
Graphics card: NVIDIA GTX 1050 2 Gb

Blender Version
Broken: Blender 2.83.1 Released Version
Worked: Blender 2.82 Released Version

Short description of error
Error : EXCEPTION_ACCESS_VIOLATION
Address : 0x00007FF7069F2948
Module : C:\Program Files\Blender Foundation\Blender 2.83\blender.exe

Exact steps for others to reproduce the error
Abnormal exit when I am moving any nodes in shader editor (Shading tab).

Event Timeline

Please try 2.90 from https://builder.blender.org/download/
and run the blender_debug_log.cmd you find in that folder. After crash, upload both files.
Then open blender_debug_output.txt and go to its bottom. you'll see a file path, pointing to temp. Upload that txt file too.

Ankit (ankitm) renamed this task from Error: EXCEPTION_ACCESS_VIOLATION Blender 2.83.1 to Crash while modifying shader nodes .Sat, Jun 27, 5:47 PM
Ankit (ankitm) changed the task status from Needs Triage to Needs Information from User.

blender-2.90.0-b7b57e7155ee-windows64

I think it can pinned down to rB77fdd189e4b2: Fix T76970: Unneccessary update calls viewport which is a temporary fix for T76970.

Abnormal exit when I am moving any nodes in shader editor (Shading tab).

It would be helpful if we know how to get into such a state of nodes that moving them causes the crash. Please add that.

Brecht Van Lommel (brecht) changed the task status from Needs Information from User to Confirmed.Tue, Jun 30, 5:00 PM
Brecht Van Lommel (brecht) triaged this task as High priority.
Brecht Van Lommel (brecht) changed the subtype of this task from "Report" to "Bug".