Mac Pro 2019 + dual AMD Radeon Pro Vega II Duo not working

Community Beginner ,
Jun 11, 2021 Jun 11, 2021

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Hi,

probably not the most common problem:

Last week I installed a second AMD Radeon Pro Vega II Duo in my Mac Pro. Since then Ps 2021 isn't working if GPU support is turned on. It crashes when opening files. Even if it's turned off Ps is kinda unstable, crashes frequently and sometimes doesn't show selections.


InDesign 2021 crashes on startup. But InDesign 2020 works...

 

Mac Pro 2019

11.4 (20F71)

3,2 Ghz 16-Core Intel Xeon

224GB RAM

2x AMD Radeon Pro Vega II Duo

 

Has anyone encountered a similar problem? Getting rid of the second card is no option. I need the second dual GPU for Cinema 4D. After Effects, Premiere Pro and Illustrator are working...

I already spoke to the Adobe customer support...they couldn't help.

 

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Bug, Crash or freeze, Mac

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correct answers 1 Correct Answer

Adobe Community Professional , Jun 21, 2021 Jun 21, 2021
@-motiondesigner try reconnecting your main monitor to the other GPU. I've seen that work but thats an old solution.

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Adobe Community Professional ,
Jun 11, 2021 Jun 11, 2021

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This page deals with Troubleshooting GPU specifically regarding two graphics cards.

Photoshop can only use one GPU this should help resolve.

https://helpx.adobe.com/photoshop/kb/troubleshoot-gpu-graphics-card.html#Troubleshoot 

Kevin Stohlmeyer Adobe Community Professional/Adobe Certified Instructor

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Community Beginner ,
Jun 11, 2021 Jun 11, 2021

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Hi! Thanks, for the suggestion. We worked through that site already, sorry, forgot to mention. Unfortunately on the Mac Pro you can't deactivate GPUs. One would have to physically remove the card. And with the single Vega II Duo Ps was working, which is weird, because that's already two GPUs. 

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Explorer ,
Jun 20, 2021 Jun 20, 2021

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i have this same problem, like many other apple and adobe things – total garbage 

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Community Beginner ,
Jun 20, 2021 Jun 20, 2021

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We have the same problem. Neither Adobe nor Apple are able to help. Maybe here in the Forums? Is anyone at Adobe reading this?

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Community Beginner ,
Jun 20, 2021 Jun 20, 2021

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We have a Mac Pro with one Vega II Duo: Ps works. And another one with two Vega II Duos: Ps doesn't work there. This is currently the most capable Mac with 4 GPUs and Ps can't use any of them. It's absurd. 

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Explorer ,
Jun 20, 2021 Jun 20, 2021

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welcome to the world of "professional" software and hardware. they don't care about us only ipad users

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Adobe Community Professional ,
Jun 21, 2021 Jun 21, 2021

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Photoshop doesn't work well with two graphic cards.

This offers some solutions:

https://helpx.adobe.com/photoshop/kb/troubleshoot-gpu-graphics-card.html#multiple-gpus 

Kevin Stohlmeyer Adobe Community Professional/Adobe Certified Instructor

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Community Beginner ,
Jun 21, 2021 Jun 21, 2021

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But it works on the machine with two (identical) graphics cards. It doesn't work on the machine with 4 (identical) graphics cards. 

We've read that. Unfortunately it was no help. Automatic Graphics switching for example doesn't exist on the Mac Pro.

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Adobe Community Professional ,
Jun 21, 2021 Jun 21, 2021

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@-motiondesigner try reconnecting your main monitor to the other GPU. I've seen that work but thats an old solution.

Kevin Stohlmeyer Adobe Community Professional/Adobe Certified Instructor

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Community Beginner ,
Jun 21, 2021 Jun 21, 2021

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OMG. That DID work. 

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Adobe Community Professional ,
Jun 21, 2021 Jun 21, 2021

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Glad to see the old tricks still have some value.

Kevin Stohlmeyer Adobe Community Professional/Adobe Certified Instructor

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Community Beginner ,
Jun 21, 2021 Jun 21, 2021

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Actually this works. Thanks!

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