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GTX 970 and GTX 1080 non-sli causes instant crash on Blender Opening
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System Information
Windows 10 Pro OS 1709 Build 16299.334
GTX 970 and GTX 1080 non-sli configuration with current driver 391.35

Blender Version
Broken: Blender 2.79a
Worked: N/A

Short description of error
With both cards installed and recognized by Windows 10 when I start Blender I get "Error: EXCEPTION_ACCESS_VIOLATION". I've ran through the trouble shooting steps such as uninstalling Blender and blowing away my %appdata% for blender. I've also uninstalled the driver and reinstalled it. I also went through manually copying the opengl dll into blender folder which does allow me to launch blender which may point at a driver issue. I do not have issues with other graphics programs though under this configuration.

Exact steps for others to reproduce the error
Install GTX 1080 and GTX 970 and try to run Blender.exe on Windows 10 Pro.



Event Timeline

Blender Version
Broken: Blender 2.79b
Worked: N/A

Short description
Dual Asus GTX 970 Strix OCII 4G DDR5 setup without SLI, flash crashed blender without any messages. Blender terminal is seen on screen for 2 secs and then black and the programme is killed by windows task manager. Testing the same setup on other older versions of blender runs fine. 2.79a also fails to run. This is flash crash happens on 2.79 versions only. 2.78 and earlier versions did not have any issue.

Exact steps for others to reproduce the error.
Install dual GTX 970 Strix OCII without SLI turned on and run blender 2.79b on Windows 10 Pro 64bit.

When SLI is turned on for the cards, Blender 2.79b starts normally. There must be something going on there.

Try running in debug mode, or better yet, pipe the result to text (Using command line or by adding parameter to shortcut).

blender -d


blender -d > debug.txt

Upload the result here.

Single GTX 970 in Windows 10 pro here, no problems

Sebastian Parborg (zeddb) lowered the priority of this task from Needs Triage by Developer to Needs Information from User.Feb 1 2019, 4:04 PM

Is this still an issue with the latest nvidia drivers?

Jacques Lucke (JacquesLucke) claimed this task.

More than a week without reply or activity. Due to the policy of the tracker archiving for until required info/data are provided.